/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=SHALLOWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label56.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-26 20:40:38,737 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 20:40:38,740 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 20:40:38,779 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 20:40:38,780 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 20:40:38,781 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 20:40:38,783 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 20:40:38,786 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 20:40:38,788 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 20:40:38,789 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 20:40:38,791 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 20:40:38,792 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 20:40:38,793 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 20:40:38,794 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 20:40:38,795 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 20:40:38,797 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 20:40:38,798 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 20:40:38,800 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 20:40:38,803 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 20:40:38,812 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 20:40:38,814 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 20:40:38,816 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 20:40:38,818 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 20:40:38,822 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 20:40:38,829 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 20:40:38,830 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 20:40:38,831 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 20:40:38,833 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 20:40:38,835 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 20:40:38,836 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 20:40:38,837 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 20:40:38,838 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 20:40:38,838 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 20:40:38,840 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 20:40:38,842 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 20:40:38,842 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 20:40:38,850 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 20:40:38,850 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 20:40:38,850 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 20:40:38,851 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 20:40:38,852 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 20:40:38,853 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 [2020-10-26 20:40:38,881 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 20:40:38,881 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 20:40:38,883 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 20:40:38,883 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 20:40:38,883 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 20:40:38,883 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 20:40:38,884 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-26 20:40:38,884 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-26 20:40:38,884 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-26 20:40:38,884 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 20:40:38,884 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-26 20:40:38,885 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-26 20:40:38,885 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-26 20:40:38,885 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-26 20:40:38,885 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-26 20:40:38,885 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 20:40:38,886 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-26 20:40:38,886 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 20:40:38,886 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 20:40:38,886 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-26 20:40:38,886 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-26 20:40:38,887 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-26 20:40:38,887 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 20:40:38,887 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-26 20:40:38,887 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-26 20:40:38,887 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-26 20:40:38,888 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-26 20:40:38,888 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-26 20:40:38,888 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 20:40:38,888 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-26 20:40:39,354 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 20:40:39,410 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 20:40:39,413 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 20:40:39,415 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 20:40:39,416 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 20:40:39,417 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label56.c [2020-10-26 20:40:39,519 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f5d4313cd/ed92eda4fcaf44f0b19e416d1cd14436/FLAGa4ec4f6af [2020-10-26 20:40:40,241 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 20:40:40,246 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label56.c [2020-10-26 20:40:40,279 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f5d4313cd/ed92eda4fcaf44f0b19e416d1cd14436/FLAGa4ec4f6af [2020-10-26 20:40:40,494 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f5d4313cd/ed92eda4fcaf44f0b19e416d1cd14436 [2020-10-26 20:40:40,498 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 20:40:40,506 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-26 20:40:40,511 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 20:40:40,511 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 20:40:40,515 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 20:40:40,516 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:40:40" (1/1) ... [2020-10-26 20:40:40,526 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e70e563 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:40:40, skipping insertion in model container [2020-10-26 20:40:40,527 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:40:40" (1/1) ... [2020-10-26 20:40:40,536 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 20:40:40,605 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 20:40:41,118 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 20:40:41,147 INFO L203 MainTranslator]: Completed pre-run [2020-10-26 20:40:41,355 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 20:40:41,381 INFO L208 MainTranslator]: Completed translation [2020-10-26 20:40:41,383 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:40:41 WrapperNode [2020-10-26 20:40:41,384 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 20:40:41,385 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-26 20:40:41,386 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-26 20:40:41,386 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-26 20:40:41,405 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:40:41" (1/1) ... [2020-10-26 20:40:41,408 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:40:41" (1/1) ... [2020-10-26 20:40:41,454 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:40:41" (1/1) ... [2020-10-26 20:40:41,455 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:40:41" (1/1) ... [2020-10-26 20:40:41,498 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:40:41" (1/1) ... [2020-10-26 20:40:41,515 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:40:41" (1/1) ... [2020-10-26 20:40:41,522 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:40:41" (1/1) ... [2020-10-26 20:40:41,529 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-26 20:40:41,531 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-26 20:40:41,531 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-26 20:40:41,531 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-26 20:40:41,532 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:40:41" (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 [2020-10-26 20:40:41,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-26 20:40:41,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-26 20:40:41,626 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-26 20:40:41,626 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-26 20:40:41,626 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-26 20:40:41,627 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-26 20:40:41,627 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-26 20:40:41,627 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-26 20:40:41,627 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-26 20:40:41,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-26 20:40:41,629 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-26 20:40:41,629 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-26 20:40:41,629 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-26 20:40:41,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-26 20:40:41,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-26 20:40:41,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-26 20:40:41,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-26 20:40:41,632 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-26 20:40:41,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-26 20:40:43,204 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-26 20:40:43,205 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-26 20:40:43,207 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:40:43 BoogieIcfgContainer [2020-10-26 20:40:43,207 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-26 20:40:43,209 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-26 20:40:43,209 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-26 20:40:43,213 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-26 20:40:43,213 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 08:40:40" (1/3) ... [2020-10-26 20:40:43,214 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@379888f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 08:40:43, skipping insertion in model container [2020-10-26 20:40:43,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:40:41" (2/3) ... [2020-10-26 20:40:43,215 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@379888f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 08:40:43, skipping insertion in model container [2020-10-26 20:40:43,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:40:43" (3/3) ... [2020-10-26 20:40:43,217 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label56.c [2020-10-26 20:40:43,236 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-26 20:40:43,242 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-26 20:40:43,255 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-26 20:40:43,285 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-26 20:40:43,285 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-26 20:40:43,286 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-26 20:40:43,286 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-26 20:40:43,286 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-26 20:40:43,286 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-26 20:40:43,286 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-26 20:40:43,286 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-26 20:40:43,312 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states. [2020-10-26 20:40:43,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-10-26 20:40:43,327 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 20:40:43,328 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 20:40:43,328 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 20:40:43,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 20:40:43,335 INFO L82 PathProgramCache]: Analyzing trace with hash 665684877, now seen corresponding path program 1 times [2020-10-26 20:40:43,344 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 20:40:43,345 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2139584620] [2020-10-26 20:40:43,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 20:40:43,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:40:43,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:44,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:45,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:40:45,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-26 20:40:45,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 20:40:45,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2140 [2020-10-26 20:40:45,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:40:45,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-26 20:40:45,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 20:40:45,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-26 20:40:45,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-26 20:40:46,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 20:40:46,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:40:46,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:46,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:40:46,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 20:40:46,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:40:46,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-26 20:40:46,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:40:46,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 20:40:46,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:40:46,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 20:40:46,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:40:46,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 20:40:46,757 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2139584620] [2020-10-26 20:40:46,759 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 20:40:46,760 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-26 20:40:46,761 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131765060] [2020-10-26 20:40:46,769 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-26 20:40:46,769 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 20:40:46,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-26 20:40:46,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-10-26 20:40:46,795 INFO L87 Difference]: Start difference. First operand 240 states. Second operand 11 states. [2020-10-26 20:40:47,057 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-26 20:40:47,291 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-26 20:40:47,463 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-26 20:40:47,728 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-10-26 20:40:48,168 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 109 [2020-10-26 20:40:48,615 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 108 [2020-10-26 20:40:49,489 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 107 [2020-10-26 20:40:50,144 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 105 [2020-10-26 20:40:51,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 20:40:51,381 INFO L93 Difference]: Finished difference Result 541 states and 898 transitions. [2020-10-26 20:40:51,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-26 20:40:51,385 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 130 [2020-10-26 20:40:51,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 20:40:51,400 INFO L225 Difference]: With dead ends: 541 [2020-10-26 20:40:51,400 INFO L226 Difference]: Without dead ends: 237 [2020-10-26 20:40:51,408 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=113, Invalid=267, Unknown=0, NotChecked=0, Total=380 [2020-10-26 20:40:51,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2020-10-26 20:40:51,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 234. [2020-10-26 20:40:51,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2020-10-26 20:40:51,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 324 transitions. [2020-10-26 20:40:51,477 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 324 transitions. Word has length 130 [2020-10-26 20:40:51,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 20:40:51,478 INFO L481 AbstractCegarLoop]: Abstraction has 234 states and 324 transitions. [2020-10-26 20:40:51,478 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-26 20:40:51,478 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 324 transitions. [2020-10-26 20:40:51,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-10-26 20:40:51,483 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 20:40:51,483 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 20:40:51,483 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-26 20:40:51,483 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 20:40:51,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 20:40:51,484 INFO L82 PathProgramCache]: Analyzing trace with hash -1630001172, now seen corresponding path program 1 times [2020-10-26 20:40:51,485 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 20:40:51,485 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [343485344] [2020-10-26 20:40:51,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 20:40:51,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:40:51,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:51,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:51,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:53,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:40:53,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-26 20:40:53,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-26 20:40:53,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2079 [2020-10-26 20:40:53,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:40:53,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-26 20:40:53,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 20:40:53,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-26 20:40:53,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-26 20:40:53,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 20:40:53,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:40:53,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:53,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:40:53,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 20:40:53,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:40:53,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-26 20:40:53,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:40:53,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 20:40:53,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:40:53,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 20:40:53,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:40:53,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 20:40:53,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:40:53,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:53,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:53,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:40:53,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-26 20:40:53,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 20:40:53,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-26 20:40:53,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:40:53,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:40:53,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 20:40:53,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-26 20:40:53,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:40:53,980 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-26 20:40:53,981 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [343485344] [2020-10-26 20:40:53,981 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 20:40:53,981 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-26 20:40:53,982 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422720288] [2020-10-26 20:40:53,983 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-26 20:40:53,984 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 20:40:53,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-26 20:40:53,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-26 20:40:53,985 INFO L87 Difference]: Start difference. First operand 234 states and 324 transitions. Second operand 6 states. [2020-10-26 20:40:55,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 20:40:55,758 INFO L93 Difference]: Finished difference Result 618 states and 882 transitions. [2020-10-26 20:40:55,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-26 20:40:55,759 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 139 [2020-10-26 20:40:55,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 20:40:55,765 INFO L225 Difference]: With dead ends: 618 [2020-10-26 20:40:55,766 INFO L226 Difference]: Without dead ends: 390 [2020-10-26 20:40:55,768 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2020-10-26 20:40:55,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2020-10-26 20:40:55,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 385. [2020-10-26 20:40:55,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 385 states. [2020-10-26 20:40:55,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 528 transitions. [2020-10-26 20:40:55,805 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 528 transitions. Word has length 139 [2020-10-26 20:40:55,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 20:40:55,806 INFO L481 AbstractCegarLoop]: Abstraction has 385 states and 528 transitions. [2020-10-26 20:40:55,806 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-26 20:40:55,807 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 528 transitions. [2020-10-26 20:40:55,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-10-26 20:40:55,811 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 20:40:55,811 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 20:40:55,812 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-26 20:40:55,812 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 20:40:55,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 20:40:55,813 INFO L82 PathProgramCache]: Analyzing trace with hash 1808300285, now seen corresponding path program 1 times [2020-10-26 20:40:55,813 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 20:40:55,813 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1401441137] [2020-10-26 20:40:55,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 20:40:55,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:40:55,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:55,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:55,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:57,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:58,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:40:58,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 175 [2020-10-26 20:40:58,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-26 20:40:58,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2706 [2020-10-26 20:40:58,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:40:58,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-26 20:40:58,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 20:40:58,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-26 20:40:58,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:40:58,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 20:40:58,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:40:58,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:58,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:40:58,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 20:40:58,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:40:58,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-26 20:40:58,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:40:58,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 20:40:58,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:40:58,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 20:40:58,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:40:58,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 20:40:58,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:40:58,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:58,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:40:58,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-26 20:40:58,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:40:58,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-26 20:40:58,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:40:58,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:40:58,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 20:40:58,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-26 20:40:58,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:40:58,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-26 20:40:58,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:40:58,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:58,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:40:58,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-26 20:40:58,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:40:58,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-26 20:40:58,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:40:58,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:40:58,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 20:40:58,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-26 20:40:58,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 20:40:58,917 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-26 20:40:58,919 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1401441137] [2020-10-26 20:40:58,920 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 20:40:58,920 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 20:40:58,921 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510460693] [2020-10-26 20:40:58,921 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-26 20:40:58,922 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 20:40:58,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-26 20:40:58,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-26 20:40:58,924 INFO L87 Difference]: Start difference. First operand 385 states and 528 transitions. Second operand 8 states. [2020-10-26 20:40:59,057 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-26 20:41:01,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 20:41:01,119 INFO L93 Difference]: Finished difference Result 1125 states and 1599 transitions. [2020-10-26 20:41:01,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-26 20:41:01,126 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 161 [2020-10-26 20:41:01,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 20:41:01,132 INFO L225 Difference]: With dead ends: 1125 [2020-10-26 20:41:01,132 INFO L226 Difference]: Without dead ends: 746 [2020-10-26 20:41:01,134 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2020-10-26 20:41:01,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 746 states. [2020-10-26 20:41:01,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 746 to 708. [2020-10-26 20:41:01,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 708 states. [2020-10-26 20:41:01,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 708 states and 970 transitions. [2020-10-26 20:41:01,213 INFO L78 Accepts]: Start accepts. Automaton has 708 states and 970 transitions. Word has length 161 [2020-10-26 20:41:01,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 20:41:01,214 INFO L481 AbstractCegarLoop]: Abstraction has 708 states and 970 transitions. [2020-10-26 20:41:01,214 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-26 20:41:01,214 INFO L276 IsEmpty]: Start isEmpty. Operand 708 states and 970 transitions. [2020-10-26 20:41:01,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-10-26 20:41:01,224 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 20:41:01,227 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 20:41:01,228 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-26 20:41:01,228 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 20:41:01,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 20:41:01,228 INFO L82 PathProgramCache]: Analyzing trace with hash 674811434, now seen corresponding path program 1 times [2020-10-26 20:41:01,229 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 20:41:01,229 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [613899227] [2020-10-26 20:41:01,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 20:41:01,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:41:01,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:41:01,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:41:01,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:41:05,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:41:06,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:41:06,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-10-26 20:41:06,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-26 20:41:06,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-26 20:41:06,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:41:06,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-26 20:41:06,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 20:41:06,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-26 20:41:06,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 20:41:06,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 20:41:06,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:41:06,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:41:06,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:41:06,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 20:41:06,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:41:06,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-26 20:41:06,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:41:06,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 20:41:06,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:41:06,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 20:41:06,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:41:06,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 20:41:06,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:41:06,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:41:06,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:41:06,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:41:06,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-26 20:41:06,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 20:41:06,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-26 20:41:06,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:41:06,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:41:06,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 20:41:06,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-26 20:41:06,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:41:06,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-26 20:41:06,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:41:06,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:41:06,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:41:06,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-26 20:41:06,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:41:06,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-26 20:41:06,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:41:06,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:41:06,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 20:41:06,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-26 20:41:06,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:41:06,641 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 27 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-26 20:41:06,642 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [613899227] [2020-10-26 20:41:06,642 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 20:41:06,642 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 20:41:06,643 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300570260] [2020-10-26 20:41:06,643 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-26 20:41:06,643 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 20:41:06,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-26 20:41:06,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-26 20:41:06,645 INFO L87 Difference]: Start difference. First operand 708 states and 970 transitions. Second operand 8 states. [2020-10-26 20:41:08,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 20:41:08,797 INFO L93 Difference]: Finished difference Result 2049 states and 2969 transitions. [2020-10-26 20:41:08,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-26 20:41:08,798 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 162 [2020-10-26 20:41:08,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 20:41:08,808 INFO L225 Difference]: With dead ends: 2049 [2020-10-26 20:41:08,808 INFO L226 Difference]: Without dead ends: 1347 [2020-10-26 20:41:08,811 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2020-10-26 20:41:08,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1347 states. [2020-10-26 20:41:08,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1347 to 1319. [2020-10-26 20:41:08,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1319 states. [2020-10-26 20:41:08,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1319 states to 1319 states and 1807 transitions. [2020-10-26 20:41:08,876 INFO L78 Accepts]: Start accepts. Automaton has 1319 states and 1807 transitions. Word has length 162 [2020-10-26 20:41:08,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 20:41:08,876 INFO L481 AbstractCegarLoop]: Abstraction has 1319 states and 1807 transitions. [2020-10-26 20:41:08,876 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-26 20:41:08,876 INFO L276 IsEmpty]: Start isEmpty. Operand 1319 states and 1807 transitions. [2020-10-26 20:41:08,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-10-26 20:41:08,882 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 20:41:08,883 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 20:41:08,883 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-26 20:41:08,883 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 20:41:08,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 20:41:08,884 INFO L82 PathProgramCache]: Analyzing trace with hash 1744335413, now seen corresponding path program 1 times [2020-10-26 20:41:08,884 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 20:41:08,884 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [367279720] [2020-10-26 20:41:08,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 20:41:08,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:41:08,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:41:09,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:41:09,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:41:09,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 179 [2020-10-26 20:41:09,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 20:41:09,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 360 [2020-10-26 20:41:09,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:41:09,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:41:09,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-26 20:41:09,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 92 [2020-10-26 20:41:09,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:41:09,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 20:41:09,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:41:09,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:41:09,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:41:09,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 20:41:09,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:41:09,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-26 20:41:09,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:41:09,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 20:41:09,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:41:09,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 20:41:09,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:41:09,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 20:41:09,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:41:09,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:41:09,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:41:09,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-26 20:41:09,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:41:09,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-26 20:41:09,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:41:09,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 20:41:09,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:41:09,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 20:41:09,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:41:09,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-26 20:41:09,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:41:09,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:41:09,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:41:09,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-26 20:41:09,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:41:09,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-26 20:41:09,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:41:09,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 20:41:09,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:41:09,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-26 20:41:09,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:41:09,714 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 30 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-26 20:41:09,715 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [367279720] [2020-10-26 20:41:09,715 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 20:41:09,715 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-26 20:41:09,715 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725091399] [2020-10-26 20:41:09,716 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-26 20:41:09,716 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 20:41:09,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-26 20:41:09,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-26 20:41:09,717 INFO L87 Difference]: Start difference. First operand 1319 states and 1807 transitions. Second operand 5 states. [2020-10-26 20:41:10,094 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-26 20:41:11,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 20:41:11,325 INFO L93 Difference]: Finished difference Result 2729 states and 3793 transitions. [2020-10-26 20:41:11,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-26 20:41:11,326 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 165 [2020-10-26 20:41:11,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 20:41:11,337 INFO L225 Difference]: With dead ends: 2729 [2020-10-26 20:41:11,337 INFO L226 Difference]: Without dead ends: 1327 [2020-10-26 20:41:11,341 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 [2020-10-26 20:41:11,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1327 states. [2020-10-26 20:41:11,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1327 to 1317. [2020-10-26 20:41:11,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1317 states. [2020-10-26 20:41:11,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1317 states to 1317 states and 1798 transitions. [2020-10-26 20:41:11,399 INFO L78 Accepts]: Start accepts. Automaton has 1317 states and 1798 transitions. Word has length 165 [2020-10-26 20:41:11,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 20:41:11,401 INFO L481 AbstractCegarLoop]: Abstraction has 1317 states and 1798 transitions. [2020-10-26 20:41:11,401 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-26 20:41:11,401 INFO L276 IsEmpty]: Start isEmpty. Operand 1317 states and 1798 transitions. [2020-10-26 20:41:11,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-10-26 20:41:11,406 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 20:41:11,406 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 20:41:11,406 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-26 20:41:11,406 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 20:41:11,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 20:41:11,407 INFO L82 PathProgramCache]: Analyzing trace with hash 942018641, now seen corresponding path program 1 times [2020-10-26 20:41:11,407 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 20:41:11,407 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [298632046] [2020-10-26 20:41:11,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 20:41:11,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:41:11,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:41:11,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:41:12,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:41:12,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:41:12,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-10-26 20:41:12,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-26 20:41:12,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1178 [2020-10-26 20:41:12,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:41:12,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:41:12,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-26 20:41:12,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-26 20:41:12,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:41:12,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 20:41:12,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:41:12,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:41:12,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:41:12,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 20:41:12,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:41:12,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-26 20:41:12,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:41:12,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 20:41:12,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:41:12,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 20:41:12,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:41:12,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 20:41:12,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:41:12,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:41:12,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:41:12,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-26 20:41:12,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:41:12,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-26 20:41:12,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:41:12,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 20:41:12,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:41:12,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-26 20:41:12,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:41:12,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-26 20:41:12,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:41:12,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:41:12,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:41:12,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-26 20:41:12,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:41:12,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-26 20:41:12,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:41:12,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:41:12,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 20:41:12,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-26 20:41:12,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:41:12,911 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 37 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-26 20:41:12,912 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [298632046] [2020-10-26 20:41:12,913 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 20:41:12,913 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 20:41:12,914 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604228871] [2020-10-26 20:41:12,914 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 20:41:12,914 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 20:41:12,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 20:41:12,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-26 20:41:12,915 INFO L87 Difference]: Start difference. First operand 1317 states and 1798 transitions. Second operand 7 states. [2020-10-26 20:41:14,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 20:41:14,834 INFO L93 Difference]: Finished difference Result 3253 states and 4490 transitions. [2020-10-26 20:41:14,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-26 20:41:14,835 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 167 [2020-10-26 20:41:14,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 20:41:14,844 INFO L225 Difference]: With dead ends: 3253 [2020-10-26 20:41:14,845 INFO L226 Difference]: Without dead ends: 1486 [2020-10-26 20:41:14,850 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-26 20:41:14,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1486 states. [2020-10-26 20:41:14,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1486 to 1474. [2020-10-26 20:41:14,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1474 states. [2020-10-26 20:41:14,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1474 states to 1474 states and 1874 transitions. [2020-10-26 20:41:14,912 INFO L78 Accepts]: Start accepts. Automaton has 1474 states and 1874 transitions. Word has length 167 [2020-10-26 20:41:14,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 20:41:14,913 INFO L481 AbstractCegarLoop]: Abstraction has 1474 states and 1874 transitions. [2020-10-26 20:41:14,913 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 20:41:14,913 INFO L276 IsEmpty]: Start isEmpty. Operand 1474 states and 1874 transitions. [2020-10-26 20:41:14,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-10-26 20:41:14,919 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 20:41:14,919 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 20:41:14,920 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-26 20:41:14,920 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 20:41:14,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 20:41:14,920 INFO L82 PathProgramCache]: Analyzing trace with hash -1760280695, now seen corresponding path program 1 times [2020-10-26 20:41:14,921 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 20:41:14,921 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1220353085] [2020-10-26 20:41:14,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 20:41:14,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:41:14,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:41:14,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:41:15,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:41:15,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:41:16,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:41:16,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 185 [2020-10-26 20:41:16,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-26 20:41:16,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1181 [2020-10-26 20:41:16,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:41:16,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-26 20:41:16,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-26 20:41:16,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 158 [2020-10-26 20:41:16,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:41:16,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 20:41:16,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:41:16,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:41:16,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:41:16,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 20:41:16,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:41:16,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-26 20:41:16,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:41:16,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 20:41:16,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:41:16,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 20:41:16,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:41:16,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 20:41:16,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:41:16,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:41:16,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:41:16,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-26 20:41:16,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:41:16,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-26 20:41:16,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:41:16,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 20:41:16,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:41:16,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-26 20:41:16,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:41:16,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-26 20:41:16,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:41:16,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:41:16,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:41:16,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:41:16,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-26 20:41:16,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 20:41:16,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-26 20:41:16,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:41:16,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:41:16,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 20:41:16,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-26 20:41:16,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:41:16,457 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 25 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-26 20:41:16,458 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1220353085] [2020-10-26 20:41:16,459 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 20:41:16,459 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-26 20:41:16,460 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105276481] [2020-10-26 20:41:16,460 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-26 20:41:16,461 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 20:41:16,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-26 20:41:16,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-26 20:41:16,462 INFO L87 Difference]: Start difference. First operand 1474 states and 1874 transitions. Second operand 6 states. [2020-10-26 20:41:18,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 20:41:18,077 INFO L93 Difference]: Finished difference Result 2960 states and 3800 transitions. [2020-10-26 20:41:18,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-26 20:41:18,078 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 171 [2020-10-26 20:41:18,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 20:41:18,088 INFO L225 Difference]: With dead ends: 2960 [2020-10-26 20:41:18,088 INFO L226 Difference]: Without dead ends: 1492 [2020-10-26 20:41:18,092 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-26 20:41:18,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1492 states. [2020-10-26 20:41:18,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1492 to 1469. [2020-10-26 20:41:18,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1469 states. [2020-10-26 20:41:18,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1469 states to 1469 states and 1764 transitions. [2020-10-26 20:41:18,143 INFO L78 Accepts]: Start accepts. Automaton has 1469 states and 1764 transitions. Word has length 171 [2020-10-26 20:41:18,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 20:41:18,144 INFO L481 AbstractCegarLoop]: Abstraction has 1469 states and 1764 transitions. [2020-10-26 20:41:18,144 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-26 20:41:18,144 INFO L276 IsEmpty]: Start isEmpty. Operand 1469 states and 1764 transitions. [2020-10-26 20:41:18,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-10-26 20:41:18,149 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 20:41:18,149 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 20:41:18,150 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-26 20:41:18,150 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 20:41:18,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 20:41:18,151 INFO L82 PathProgramCache]: Analyzing trace with hash 1519967109, now seen corresponding path program 1 times [2020-10-26 20:41:18,151 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 20:41:18,151 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2055205624] [2020-10-26 20:41:18,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 20:41:18,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:41:18,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:41:18,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:41:18,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:41:18,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:41:19,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:41:20,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:41:20,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:41:20,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:41:20,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:41:20,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 203 [2020-10-26 20:41:20,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-26 20:41:20,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2711 [2020-10-26 20:41:20,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:41:20,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-26 20:41:20,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 20:41:20,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 194 [2020-10-26 20:41:20,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:41:21,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 20:41:21,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:41:21,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:41:21,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:41:21,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 20:41:21,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:41:21,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-26 20:41:21,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:41:21,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 20:41:21,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:41:21,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 20:41:21,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:41:21,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 20:41:21,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:41:21,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:41:21,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:41:21,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-26 20:41:21,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:41:21,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-26 20:41:21,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:41:21,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:41:21,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 20:41:21,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-26 20:41:21,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:41:21,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-26 20:41:21,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:41:21,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:41:21,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:41:21,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:41:21,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:41:21,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-26 20:41:21,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-26 20:41:21,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 122 [2020-10-26 20:41:21,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:41:21,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:41:21,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 20:41:21,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-26 20:41:21,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:41:21,355 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-10-26 20:41:21,356 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2055205624] [2020-10-26 20:41:21,356 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 20:41:21,356 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-26 20:41:21,356 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960926577] [2020-10-26 20:41:21,357 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 20:41:21,357 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 20:41:21,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 20:41:21,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 20:41:21,358 INFO L87 Difference]: Start difference. First operand 1469 states and 1764 transitions. Second operand 7 states. [2020-10-26 20:41:23,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 20:41:23,230 INFO L93 Difference]: Finished difference Result 3718 states and 4516 transitions. [2020-10-26 20:41:23,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-26 20:41:23,231 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 189 [2020-10-26 20:41:23,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 20:41:23,244 INFO L225 Difference]: With dead ends: 3718 [2020-10-26 20:41:23,244 INFO L226 Difference]: Without dead ends: 2255 [2020-10-26 20:41:23,249 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-26 20:41:23,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2255 states. [2020-10-26 20:41:23,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2255 to 1923. [2020-10-26 20:41:23,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1923 states. [2020-10-26 20:41:23,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1923 states to 1923 states and 2241 transitions. [2020-10-26 20:41:23,317 INFO L78 Accepts]: Start accepts. Automaton has 1923 states and 2241 transitions. Word has length 189 [2020-10-26 20:41:23,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 20:41:23,318 INFO L481 AbstractCegarLoop]: Abstraction has 1923 states and 2241 transitions. [2020-10-26 20:41:23,318 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 20:41:23,318 INFO L276 IsEmpty]: Start isEmpty. Operand 1923 states and 2241 transitions. [2020-10-26 20:41:23,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2020-10-26 20:41:23,324 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 20:41:23,325 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 20:41:23,325 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-26 20:41:23,325 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 20:41:23,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 20:41:23,326 INFO L82 PathProgramCache]: Analyzing trace with hash -435034439, now seen corresponding path program 1 times [2020-10-26 20:41:23,326 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 20:41:23,326 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [619515508] [2020-10-26 20:41:23,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 20:41:23,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:41:23,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:41:23,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:41:23,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:41:23,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:41:24,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:41:24,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:41:25,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:41:27,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:41:28,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:41:28,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 213 [2020-10-26 20:41:28,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-26 20:41:28,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4990 [2020-10-26 20:41:28,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:41:28,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-26 20:41:28,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 20:41:28,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-26 20:41:28,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:41:28,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 20:41:28,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:41:28,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:41:28,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:41:28,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 20:41:28,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:41:28,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-26 20:41:28,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:41:28,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 20:41:28,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:41:28,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 20:41:28,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:41:28,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 20:41:28,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:41:28,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:41:28,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:41:28,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:41:28,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-26 20:41:28,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 20:41:28,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-26 20:41:28,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:41:28,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:41:28,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 20:41:28,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-26 20:41:28,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:41:28,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-26 20:41:28,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:41:28,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:41:28,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:41:28,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:41:28,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-26 20:41:28,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 20:41:28,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-26 20:41:28,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:41:28,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:41:28,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 20:41:28,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-26 20:41:28,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:41:28,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-26 20:41:28,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:41:28,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:41:28,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:41:28,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:41:28,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-26 20:41:28,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 20:41:28,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-10-26 20:41:28,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:41:28,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-26 20:41:28,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 20:41:28,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-26 20:41:28,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:41:29,048 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 17 proven. 49 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-10-26 20:41:29,050 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [619515508] [2020-10-26 20:41:29,050 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 20:41:29,051 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-26 20:41:29,051 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185724924] [2020-10-26 20:41:29,051 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-26 20:41:29,052 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 20:41:29,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-26 20:41:29,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2020-10-26 20:41:29,053 INFO L87 Difference]: Start difference. First operand 1923 states and 2241 transitions. Second operand 9 states. [2020-10-26 20:41:29,923 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 92 [2020-10-26 20:41:31,824 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-10-26 20:41:32,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 20:41:32,229 INFO L93 Difference]: Finished difference Result 4679 states and 5629 transitions. [2020-10-26 20:41:32,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-26 20:41:32,230 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 197 [2020-10-26 20:41:32,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 20:41:32,248 INFO L225 Difference]: With dead ends: 4679 [2020-10-26 20:41:32,248 INFO L226 Difference]: Without dead ends: 2554 [2020-10-26 20:41:32,255 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2020-10-26 20:41:32,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2554 states. [2020-10-26 20:41:32,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2554 to 2063. [2020-10-26 20:41:32,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2063 states. [2020-10-26 20:41:32,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2063 states to 2063 states and 2389 transitions. [2020-10-26 20:41:32,331 INFO L78 Accepts]: Start accepts. Automaton has 2063 states and 2389 transitions. Word has length 197 [2020-10-26 20:41:32,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 20:41:32,332 INFO L481 AbstractCegarLoop]: Abstraction has 2063 states and 2389 transitions. [2020-10-26 20:41:32,332 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-26 20:41:32,332 INFO L276 IsEmpty]: Start isEmpty. Operand 2063 states and 2389 transitions. [2020-10-26 20:41:32,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2020-10-26 20:41:32,339 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 20:41:32,339 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 20:41:32,339 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-26 20:41:32,340 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 20:41:32,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 20:41:32,340 INFO L82 PathProgramCache]: Analyzing trace with hash -356991146, now seen corresponding path program 1 times [2020-10-26 20:41:32,340 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 20:41:32,341 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1647192050] [2020-10-26 20:41:32,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 20:41:32,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:41:32,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:41:32,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:41:32,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:41:33,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:41:33,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 223 [2020-10-26 20:41:33,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-26 20:41:33,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1297 [2020-10-26 20:41:33,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:41:33,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:41:33,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 61 [2020-10-26 20:41:33,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-26 20:41:33,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:41:33,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 20:41:33,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:41:33,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:41:33,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:41:33,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 20:41:33,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:41:33,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-26 20:41:33,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:41:33,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 20:41:33,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:41:33,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 20:41:33,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:41:33,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 20:41:33,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:41:33,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:41:33,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:41:33,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-26 20:41:33,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:41:33,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-26 20:41:33,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:41:33,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 20:41:33,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:41:33,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-26 20:41:33,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:41:33,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-26 20:41:33,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:41:33,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:41:33,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:41:33,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-26 20:41:33,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:41:33,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-26 20:41:33,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:41:33,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:41:33,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 20:41:33,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-26 20:41:33,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:41:34,073 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 98 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-26 20:41:34,074 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1647192050] [2020-10-26 20:41:34,074 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 20:41:34,074 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-26 20:41:34,074 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37649728] [2020-10-26 20:41:34,075 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-26 20:41:34,075 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 20:41:34,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-26 20:41:34,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-26 20:41:34,076 INFO L87 Difference]: Start difference. First operand 2063 states and 2389 transitions. Second operand 8 states. [2020-10-26 20:41:36,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 20:41:36,617 INFO L93 Difference]: Finished difference Result 4577 states and 5335 transitions. [2020-10-26 20:41:36,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-26 20:41:36,618 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 209 [2020-10-26 20:41:36,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 20:41:36,618 INFO L225 Difference]: With dead ends: 4577 [2020-10-26 20:41:36,618 INFO L226 Difference]: Without dead ends: 0 [2020-10-26 20:41:36,627 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2020-10-26 20:41:36,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-26 20:41:36,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-26 20:41:36,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-26 20:41:36,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-26 20:41:36,628 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 209 [2020-10-26 20:41:36,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 20:41:36,628 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 20:41:36,628 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-26 20:41:36,629 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-26 20:41:36,629 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-26 20:41:36,629 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-26 20:41:36,631 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-26 20:41:37,594 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 185 [2020-10-26 20:41:38,072 WARN L193 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 197 [2020-10-26 20:41:38,270 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 37 [2020-10-26 20:41:39,834 WARN L193 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 198 DAG size of output: 73 [2020-10-26 20:41:40,265 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 47 [2020-10-26 20:41:41,073 WARN L193 SmtUtils]: Spent 805.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 52 [2020-10-26 20:41:41,828 WARN L193 SmtUtils]: Spent 751.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 52 [2020-10-26 20:41:41,832 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-26 20:41:41,833 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-26 20:41:41,833 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-26 20:41:41,833 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-26 20:41:41,833 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-26 20:41:41,834 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= ~a21~0 |old(~a21~0)|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~y~0 |old(~y~0)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~a17~0 |old(~a17~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~z~0 |old(~z~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~v~0 |old(~v~0)|)) [2020-10-26 20:41:41,834 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-26 20:41:41,834 INFO L274 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-10-26 20:41:41,834 INFO L274 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-10-26 20:41:41,834 INFO L274 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-10-26 20:41:41,834 INFO L274 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-10-26 20:41:41,834 INFO L274 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-10-26 20:41:41,834 INFO L274 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-10-26 20:41:41,834 INFO L274 CegarLoopResult]: For program point L333(lines 333 415) no Hoare annotation was computed. [2020-10-26 20:41:41,835 INFO L274 CegarLoopResult]: For program point L300(lines 300 309) no Hoare annotation was computed. [2020-10-26 20:41:41,835 INFO L274 CegarLoopResult]: For program point L234(lines 234 415) no Hoare annotation was computed. [2020-10-26 20:41:41,835 INFO L274 CegarLoopResult]: For program point L300-2(lines 300 309) no Hoare annotation was computed. [2020-10-26 20:41:41,835 INFO L274 CegarLoopResult]: For program point L400(lines 400 415) no Hoare annotation was computed. [2020-10-26 20:41:41,835 INFO L274 CegarLoopResult]: For program point L334(lines 334 337) no Hoare annotation was computed. [2020-10-26 20:41:41,835 INFO L274 CegarLoopResult]: For program point L334-2(lines 334 337) no Hoare annotation was computed. [2020-10-26 20:41:41,835 INFO L274 CegarLoopResult]: For program point L136(lines 136 415) no Hoare annotation was computed. [2020-10-26 20:41:41,835 INFO L274 CegarLoopResult]: For program point L37(lines 37 415) no Hoare annotation was computed. [2020-10-26 20:41:41,835 INFO L274 CegarLoopResult]: For program point L566-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:41,836 INFO L274 CegarLoopResult]: For program point L533-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:41,836 INFO L274 CegarLoopResult]: For program point L500-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:41,836 INFO L274 CegarLoopResult]: For program point L467-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:41,836 INFO L274 CegarLoopResult]: For program point L434-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:41,836 INFO L274 CegarLoopResult]: For program point L236(lines 236 415) no Hoare annotation was computed. [2020-10-26 20:41:41,836 INFO L274 CegarLoopResult]: For program point L71(lines 71 415) no Hoare annotation was computed. [2020-10-26 20:41:41,836 INFO L274 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-10-26 20:41:41,836 INFO L274 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-10-26 20:41:41,837 INFO L274 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed. [2020-10-26 20:41:41,837 INFO L274 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-10-26 20:41:41,837 INFO L274 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2020-10-26 20:41:41,837 INFO L274 CegarLoopResult]: For program point L204(lines 204 415) no Hoare annotation was computed. [2020-10-26 20:41:41,837 INFO L274 CegarLoopResult]: For program point L171(lines 171 415) no Hoare annotation was computed. [2020-10-26 20:41:41,837 INFO L274 CegarLoopResult]: For program point L370(lines 370 415) no Hoare annotation was computed. [2020-10-26 20:41:41,837 INFO L274 CegarLoopResult]: For program point L205(lines 205 212) no Hoare annotation was computed. [2020-10-26 20:41:41,837 INFO L274 CegarLoopResult]: For program point L205-2(lines 205 212) no Hoare annotation was computed. [2020-10-26 20:41:41,837 INFO L274 CegarLoopResult]: For program point L40(lines 40 415) no Hoare annotation was computed. [2020-10-26 20:41:41,837 INFO L274 CegarLoopResult]: For program point L569-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:41,838 INFO L274 CegarLoopResult]: For program point L536-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:41,838 INFO L274 CegarLoopResult]: For program point L503-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:41,838 INFO L274 CegarLoopResult]: For program point L470-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:41,838 INFO L274 CegarLoopResult]: For program point L404(lines 404 415) no Hoare annotation was computed. [2020-10-26 20:41:41,838 INFO L274 CegarLoopResult]: For program point L437-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:41,838 INFO L274 CegarLoopResult]: For program point L239(lines 239 415) no Hoare annotation was computed. [2020-10-26 20:41:41,838 INFO L274 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-10-26 20:41:41,838 INFO L274 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-10-26 20:41:41,838 INFO L274 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2020-10-26 20:41:41,839 INFO L274 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-10-26 20:41:41,839 INFO L274 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-10-26 20:41:41,839 INFO L274 CegarLoopResult]: For program point L339(lines 339 415) no Hoare annotation was computed. [2020-10-26 20:41:41,839 INFO L274 CegarLoopResult]: For program point L240(lines 240 248) no Hoare annotation was computed. [2020-10-26 20:41:41,839 INFO L274 CegarLoopResult]: For program point L240-2(lines 240 248) no Hoare annotation was computed. [2020-10-26 20:41:41,839 INFO L274 CegarLoopResult]: For program point L141(lines 141 415) no Hoare annotation was computed. [2020-10-26 20:41:41,839 INFO L274 CegarLoopResult]: For program point L108(lines 108 415) no Hoare annotation was computed. [2020-10-26 20:41:41,839 INFO L274 CegarLoopResult]: For program point L406(lines 406 415) no Hoare annotation was computed. [2020-10-26 20:41:41,839 INFO L274 CegarLoopResult]: For program point L340(lines 340 349) no Hoare annotation was computed. [2020-10-26 20:41:41,839 INFO L274 CegarLoopResult]: For program point L340-2(lines 340 349) no Hoare annotation was computed. [2020-10-26 20:41:41,840 INFO L274 CegarLoopResult]: For program point L76(lines 76 415) no Hoare annotation was computed. [2020-10-26 20:41:41,840 INFO L274 CegarLoopResult]: For program point L572-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:41,840 INFO L274 CegarLoopResult]: For program point L539-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:41,840 INFO L274 CegarLoopResult]: For program point L506-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:41,840 INFO L274 CegarLoopResult]: For program point L473-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:41,840 INFO L274 CegarLoopResult]: For program point L440-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:41,840 INFO L274 CegarLoopResult]: For program point L77(lines 77 82) no Hoare annotation was computed. [2020-10-26 20:41:41,840 INFO L274 CegarLoopResult]: For program point L44(lines 44 415) no Hoare annotation was computed. [2020-10-26 20:41:41,840 INFO L274 CegarLoopResult]: For program point L77-2(lines 77 82) no Hoare annotation was computed. [2020-10-26 20:41:41,841 INFO L274 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-10-26 20:41:41,841 INFO L274 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-10-26 20:41:41,841 INFO L274 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2020-10-26 20:41:41,841 INFO L274 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-10-26 20:41:41,841 INFO L274 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-10-26 20:41:41,841 INFO L274 CegarLoopResult]: For program point L177(lines 177 415) no Hoare annotation was computed. [2020-10-26 20:41:41,841 INFO L274 CegarLoopResult]: For program point L409(lines 409 415) no Hoare annotation was computed. [2020-10-26 20:41:41,841 INFO L274 CegarLoopResult]: For program point L145(lines 145 415) no Hoare annotation was computed. [2020-10-26 20:41:41,841 INFO L274 CegarLoopResult]: For program point L575-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:41,841 INFO L274 CegarLoopResult]: For program point L542-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:41,842 INFO L274 CegarLoopResult]: For program point L509-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:41,842 INFO L274 CegarLoopResult]: For program point L476-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:41,842 INFO L274 CegarLoopResult]: For program point L443-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:41,842 INFO L274 CegarLoopResult]: For program point L377(lines 377 415) no Hoare annotation was computed. [2020-10-26 20:41:41,842 INFO L274 CegarLoopResult]: For program point L311(lines 311 415) no Hoare annotation was computed. [2020-10-26 20:41:41,842 INFO L274 CegarLoopResult]: For program point L278(lines 278 415) no Hoare annotation was computed. [2020-10-26 20:41:41,842 INFO L274 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-10-26 20:41:41,842 INFO L270 CegarLoopResult]: At program point L543(line 543) the Hoare annotation is: (let ((.cse4 (not (= ~a21~0 1))) (.cse2 (not (= 10 |old(~a28~0)|))) (.cse3 (not (= 8 |old(~a17~0)|))) (.cse6 (not (= 0 |old(~a25~0)|))) (.cse1 (not (<= |old(~a28~0)| 9))) (.cse0 (not (= |old(~a25~0)| 1))) (.cse7 (not (= |old(~a19~0)| 1))) (.cse5 (not (= 0 |old(~a11~0)|)))) (and (or .cse0 .cse1) (or .cse0 .cse2 .cse3 .cse4) (or .cse5 .cse6) (or .cse0 .cse7 .cse3 .cse4) (or .cse0 .cse2 .cse5 .cse3) (or .cse2 (not (= 7 |old(~a17~0)|)) (not (= |old(~a19~0)| |old(~a25~0)|)) .cse6 .cse4 (not (= |old(~a11~0)| 1))) (or .cse2 .cse7 .cse3) (or .cse3 .cse6 .cse1 .cse4) (or .cse2 .cse7 .cse6) (or .cse7 .cse3 .cse6 .cse1) (or .cse0 .cse7 .cse5))) [2020-10-26 20:41:41,843 INFO L274 CegarLoopResult]: For program point L510(line 510) no Hoare annotation was computed. [2020-10-26 20:41:41,843 INFO L274 CegarLoopResult]: For program point L543-1(line 543) no Hoare annotation was computed. [2020-10-26 20:41:41,843 INFO L274 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-10-26 20:41:41,843 INFO L274 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2020-10-26 20:41:41,843 INFO L274 CegarLoopResult]: For program point L411(lines 411 415) no Hoare annotation was computed. [2020-10-26 20:41:41,843 INFO L274 CegarLoopResult]: For program point L214(lines 214 415) no Hoare annotation was computed. [2020-10-26 20:41:41,844 INFO L274 CegarLoopResult]: For program point L181(lines 181 415) no Hoare annotation was computed. [2020-10-26 20:41:41,844 INFO L274 CegarLoopResult]: For program point L115(lines 115 415) no Hoare annotation was computed. [2020-10-26 20:41:41,845 INFO L274 CegarLoopResult]: For program point L49(lines 49 415) no Hoare annotation was computed. [2020-10-26 20:41:41,845 INFO L274 CegarLoopResult]: For program point L578-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:41,845 INFO L274 CegarLoopResult]: For program point L545-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:41,845 INFO L274 CegarLoopResult]: For program point L512-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:41,845 INFO L274 CegarLoopResult]: For program point L479-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:41,845 INFO L274 CegarLoopResult]: For program point L446-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:41,845 INFO L274 CegarLoopResult]: For program point L380(lines 380 415) no Hoare annotation was computed. [2020-10-26 20:41:41,845 INFO L274 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-10-26 20:41:41,845 INFO L274 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-10-26 20:41:41,846 INFO L274 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2020-10-26 20:41:41,846 INFO L274 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-10-26 20:41:41,846 INFO L274 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-10-26 20:41:41,846 INFO L274 CegarLoopResult]: For program point L282(lines 282 415) no Hoare annotation was computed. [2020-10-26 20:41:41,846 INFO L274 CegarLoopResult]: For program point L150(lines 150 415) no Hoare annotation was computed. [2020-10-26 20:41:41,846 INFO L274 CegarLoopResult]: For program point L84(lines 84 415) no Hoare annotation was computed. [2020-10-26 20:41:41,846 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:41,846 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:41,846 INFO L274 CegarLoopResult]: For program point L382(lines 382 415) no Hoare annotation was computed. [2020-10-26 20:41:41,846 INFO L274 CegarLoopResult]: For program point L316(lines 316 415) no Hoare annotation was computed. [2020-10-26 20:41:41,846 INFO L274 CegarLoopResult]: For program point L250(lines 250 415) no Hoare annotation was computed. [2020-10-26 20:41:41,846 INFO L274 CegarLoopResult]: For program point L217(lines 217 415) no Hoare annotation was computed. [2020-10-26 20:41:41,847 INFO L274 CegarLoopResult]: For program point L85(lines 85 91) no Hoare annotation was computed. [2020-10-26 20:41:41,847 INFO L274 CegarLoopResult]: For program point L52(lines 52 415) no Hoare annotation was computed. [2020-10-26 20:41:41,847 INFO L274 CegarLoopResult]: For program point L85-2(lines 85 91) no Hoare annotation was computed. [2020-10-26 20:41:41,847 INFO L274 CegarLoopResult]: For program point L581-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:41,847 INFO L274 CegarLoopResult]: For program point L548-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:41,847 INFO L274 CegarLoopResult]: For program point L515-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:41,847 INFO L274 CegarLoopResult]: For program point L482-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:41,847 INFO L274 CegarLoopResult]: For program point L416(lines 416 418) no Hoare annotation was computed. [2020-10-26 20:41:41,847 INFO L274 CegarLoopResult]: For program point L449-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:41,847 INFO L274 CegarLoopResult]: For program point L383(lines 383 389) no Hoare annotation was computed. [2020-10-26 20:41:41,847 INFO L274 CegarLoopResult]: For program point L416-2(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:41,848 INFO L274 CegarLoopResult]: For program point L317(lines 317 328) no Hoare annotation was computed. [2020-10-26 20:41:41,848 INFO L274 CegarLoopResult]: For program point L383-2(lines 383 389) no Hoare annotation was computed. [2020-10-26 20:41:41,848 INFO L274 CegarLoopResult]: For program point L317-2(lines 317 328) no Hoare annotation was computed. [2020-10-26 20:41:41,848 INFO L274 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-10-26 20:41:41,848 INFO L274 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-10-26 20:41:41,848 INFO L274 CegarLoopResult]: For program point L516(line 516) no Hoare annotation was computed. [2020-10-26 20:41:41,848 INFO L274 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-10-26 20:41:41,848 INFO L274 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-10-26 20:41:41,848 INFO L274 CegarLoopResult]: For program point L417(line 417) no Hoare annotation was computed. [2020-10-26 20:41:41,848 INFO L274 CegarLoopResult]: For program point L351(lines 351 415) no Hoare annotation was computed. [2020-10-26 20:41:41,848 INFO L274 CegarLoopResult]: For program point L285(lines 285 415) no Hoare annotation was computed. [2020-10-26 20:41:41,849 INFO L274 CegarLoopResult]: For program point L220(lines 220 415) no Hoare annotation was computed. [2020-10-26 20:41:41,849 INFO L274 CegarLoopResult]: For program point L187(lines 187 415) no Hoare annotation was computed. [2020-10-26 20:41:41,849 INFO L274 CegarLoopResult]: For program point L121(lines 121 415) no Hoare annotation was computed. [2020-10-26 20:41:41,849 INFO L274 CegarLoopResult]: For program point L584-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:41,849 INFO L274 CegarLoopResult]: For program point L551-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:41,849 INFO L274 CegarLoopResult]: For program point L518-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:41,849 INFO L274 CegarLoopResult]: For program point L485-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:41,849 INFO L274 CegarLoopResult]: For program point L452-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:41,849 INFO L274 CegarLoopResult]: For program point L419-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:41,849 INFO L274 CegarLoopResult]: For program point L56(lines 56 415) no Hoare annotation was computed. [2020-10-26 20:41:41,849 INFO L274 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2020-10-26 20:41:41,849 INFO L274 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-10-26 20:41:41,850 INFO L274 CegarLoopResult]: For program point L519(line 519) no Hoare annotation was computed. [2020-10-26 20:41:41,850 INFO L274 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-10-26 20:41:41,850 INFO L274 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-10-26 20:41:41,850 INFO L274 CegarLoopResult]: For program point L420(line 420) no Hoare annotation was computed. [2020-10-26 20:41:41,850 INFO L274 CegarLoopResult]: For program point L288(lines 288 415) no Hoare annotation was computed. [2020-10-26 20:41:41,850 INFO L274 CegarLoopResult]: For program point L255(lines 255 415) no Hoare annotation was computed. [2020-10-26 20:41:41,850 INFO L274 CegarLoopResult]: For program point L189(lines 189 415) no Hoare annotation was computed. [2020-10-26 20:41:41,850 INFO L274 CegarLoopResult]: For program point L156(lines 156 415) no Hoare annotation was computed. [2020-10-26 20:41:41,850 INFO L274 CegarLoopResult]: For program point L587-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:41,850 INFO L274 CegarLoopResult]: For program point L554-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:41,850 INFO L274 CegarLoopResult]: For program point L521-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:41,850 INFO L274 CegarLoopResult]: For program point L488-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:41,851 INFO L274 CegarLoopResult]: For program point L455-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:41,851 INFO L274 CegarLoopResult]: For program point L422-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:41,851 INFO L274 CegarLoopResult]: For program point L356(lines 356 415) no Hoare annotation was computed. [2020-10-26 20:41:41,851 INFO L274 CegarLoopResult]: For program point L191(lines 191 415) no Hoare annotation was computed. [2020-10-26 20:41:41,851 INFO L274 CegarLoopResult]: For program point L125(lines 125 415) no Hoare annotation was computed. [2020-10-26 20:41:41,851 INFO L274 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-10-26 20:41:41,851 INFO L274 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2020-10-26 20:41:41,851 INFO L274 CegarLoopResult]: For program point L522(line 522) no Hoare annotation was computed. [2020-10-26 20:41:41,851 INFO L274 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-10-26 20:41:41,852 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 31 600) the Hoare annotation is: (let ((.cse0 (= ~a11~0 |old(~a11~0)|)) (.cse3 (= ~a17~0 8)) (.cse16 (= ~a25~0 1)) (.cse9 (= ~a19~0 |old(~a19~0)|)) (.cse4 (= ~a28~0 10))) (let ((.cse12 (not (= |old(~a25~0)| 1))) (.cse14 (and .cse0 .cse3 .cse16 .cse9 .cse4)) (.cse13 (not (= 0 |old(~a11~0)|))) (.cse8 (= ~a17~0 |old(~a17~0)|)) (.cse5 (not (= 10 |old(~a28~0)|))) (.cse6 (not (= |old(~a19~0)| 1))) (.cse1 (= ~a19~0 1)) (.cse15 (= ~a28~0 |old(~a28~0)|)) (.cse2 (= ~a25~0 |old(~a25~0)|)) (.cse7 (not (= 8 |old(~a17~0)|))) (.cse10 (not (= 0 |old(~a25~0)|))) (.cse17 (not (<= |old(~a28~0)| 9))) (.cse11 (not (= ~a21~0 1)))) (and (or (and .cse0 .cse1 .cse2 .cse3 .cse4) .cse5 .cse6 .cse7) (or .cse5 (not (= 7 |old(~a17~0)|)) (and .cse8 .cse0 .cse2 .cse9 .cse4) (not (= |old(~a19~0)| |old(~a25~0)|)) .cse10 .cse11 (not (= |old(~a11~0)| 1))) (or .cse12 .cse5 .cse13 .cse7 .cse14) (or .cse12 .cse6 (and .cse15 .cse0 .cse1 .cse3 .cse16) .cse7 .cse11) (or .cse12 (and .cse15 .cse8 .cse0 .cse16 .cse9) .cse17) (or .cse12 .cse6 .cse13 (and .cse15 .cse8 .cse0 .cse1 .cse16)) (or .cse12 .cse5 .cse7 .cse14 .cse11) (or (and .cse15 .cse8 .cse0 .cse2 .cse9) .cse13 .cse10) (or (and .cse8 .cse0 .cse1 .cse2 .cse4) .cse5 .cse6 .cse10) (or .cse6 (and .cse15 .cse0 .cse1 .cse2 .cse3) .cse7 .cse10 .cse17) (or (and .cse15 .cse0 .cse2 .cse3 .cse9) .cse7 .cse10 .cse17 .cse11)))) [2020-10-26 20:41:41,852 INFO L274 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-10-26 20:41:41,852 INFO L274 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2020-10-26 20:41:41,852 INFO L274 CegarLoopResult]: For program point L225(lines 225 415) no Hoare annotation was computed. [2020-10-26 20:41:41,852 INFO L274 CegarLoopResult]: For program point L93(lines 93 415) no Hoare annotation was computed. [2020-10-26 20:41:41,852 INFO L274 CegarLoopResult]: For program point L391(lines 391 415) no Hoare annotation was computed. [2020-10-26 20:41:41,852 INFO L274 CegarLoopResult]: For program point L193(lines 193 415) no Hoare annotation was computed. [2020-10-26 20:41:41,852 INFO L274 CegarLoopResult]: For program point L61(lines 61 415) no Hoare annotation was computed. [2020-10-26 20:41:41,852 INFO L274 CegarLoopResult]: For program point L590-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:41,852 INFO L274 CegarLoopResult]: For program point L557-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:41,852 INFO L274 CegarLoopResult]: For program point L524-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:41,853 INFO L274 CegarLoopResult]: For program point L491-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:41,853 INFO L274 CegarLoopResult]: For program point L458-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:41,853 INFO L274 CegarLoopResult]: For program point L425-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:41,853 INFO L274 CegarLoopResult]: For program point L293(lines 293 415) no Hoare annotation was computed. [2020-10-26 20:41:41,853 INFO L274 CegarLoopResult]: For program point L227(lines 227 415) no Hoare annotation was computed. [2020-10-26 20:41:41,853 INFO L274 CegarLoopResult]: For program point L161(lines 161 415) no Hoare annotation was computed. [2020-10-26 20:41:41,853 INFO L274 CegarLoopResult]: For program point L591(line 591) no Hoare annotation was computed. [2020-10-26 20:41:41,853 INFO L274 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-10-26 20:41:41,853 INFO L274 CegarLoopResult]: For program point L525(line 525) no Hoare annotation was computed. [2020-10-26 20:41:41,853 INFO L274 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-10-26 20:41:41,853 INFO L274 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-10-26 20:41:41,853 INFO L274 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed. [2020-10-26 20:41:41,854 INFO L274 CegarLoopResult]: For program point L261(lines 261 415) no Hoare annotation was computed. [2020-10-26 20:41:41,854 INFO L274 CegarLoopResult]: For program point L295(lines 295 415) no Hoare annotation was computed. [2020-10-26 20:41:41,854 INFO L274 CegarLoopResult]: For program point L196(lines 196 415) no Hoare annotation was computed. [2020-10-26 20:41:41,854 INFO L274 CegarLoopResult]: For program point L97(lines 97 415) no Hoare annotation was computed. [2020-10-26 20:41:41,854 INFO L274 CegarLoopResult]: For program point L593-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:41,854 INFO L274 CegarLoopResult]: For program point L560-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:41,854 INFO L274 CegarLoopResult]: For program point L527-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:41,854 INFO L274 CegarLoopResult]: For program point L494-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:41,854 INFO L274 CegarLoopResult]: For program point L461-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:41,854 INFO L274 CegarLoopResult]: For program point L428-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:41,854 INFO L274 CegarLoopResult]: For program point L263(lines 263 415) no Hoare annotation was computed. [2020-10-26 20:41:41,854 INFO L274 CegarLoopResult]: For program point L32(lines 32 415) no Hoare annotation was computed. [2020-10-26 20:41:41,855 INFO L274 CegarLoopResult]: For program point L594(line 594) no Hoare annotation was computed. [2020-10-26 20:41:41,855 INFO L274 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2020-10-26 20:41:41,855 INFO L274 CegarLoopResult]: For program point L528(line 528) no Hoare annotation was computed. [2020-10-26 20:41:41,855 INFO L274 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-10-26 20:41:41,855 INFO L274 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-10-26 20:41:41,855 INFO L274 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-10-26 20:41:41,855 INFO L274 CegarLoopResult]: For program point L396(lines 396 415) no Hoare annotation was computed. [2020-10-26 20:41:41,855 INFO L274 CegarLoopResult]: For program point L363(lines 363 415) no Hoare annotation was computed. [2020-10-26 20:41:41,855 INFO L274 CegarLoopResult]: For program point L330(lines 330 415) no Hoare annotation was computed. [2020-10-26 20:41:41,855 INFO L274 CegarLoopResult]: For program point L264(lines 264 276) no Hoare annotation was computed. [2020-10-26 20:41:41,855 INFO L274 CegarLoopResult]: For program point L264-2(lines 264 276) no Hoare annotation was computed. [2020-10-26 20:41:41,855 INFO L274 CegarLoopResult]: For program point L132(lines 132 415) no Hoare annotation was computed. [2020-10-26 20:41:41,856 INFO L274 CegarLoopResult]: For program point L67(lines 67 415) no Hoare annotation was computed. [2020-10-26 20:41:41,856 INFO L274 CegarLoopResult]: For program point L596-1(lines 596 598) no Hoare annotation was computed. [2020-10-26 20:41:41,856 INFO L274 CegarLoopResult]: For program point L563-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:41,856 INFO L274 CegarLoopResult]: For program point L530-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:41,856 INFO L274 CegarLoopResult]: For program point L497-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:41,856 INFO L274 CegarLoopResult]: For program point L464-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:41,856 INFO L274 CegarLoopResult]: For program point L431-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:41:41,856 INFO L274 CegarLoopResult]: For program point L299(lines 299 415) no Hoare annotation was computed. [2020-10-26 20:41:41,856 INFO L274 CegarLoopResult]: For program point L200(lines 200 415) no Hoare annotation was computed. [2020-10-26 20:41:41,856 INFO L274 CegarLoopResult]: For program point L167(lines 167 415) no Hoare annotation was computed. [2020-10-26 20:41:41,856 INFO L274 CegarLoopResult]: For program point L101(lines 101 415) no Hoare annotation was computed. [2020-10-26 20:41:41,856 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-26 20:41:41,857 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a19~0 1) (= ~a25~0 0) (= ~a21~0 1) (<= 7 ~a28~0) (<= 8 ~a17~0) (= ~a11~0 0) (<= ~a28~0 7) (<= ~a17~0 8)) [2020-10-26 20:41:41,857 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-26 20:41:41,857 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-26 20:41:41,857 INFO L270 CegarLoopResult]: At program point L608-2(lines 608 618) the Hoare annotation is: (let ((.cse1 (= ~a11~0 0)) (.cse4 (= ~a19~0 1)) (.cse2 (= ~a25~0 1)) (.cse6 (= ~a28~0 10)) (.cse0 (= ~a25~0 0)) (.cse5 (= ~a17~0 8)) (.cse3 (<= ~a28~0 9))) (or (not (= |old(~a19~0)| 1)) (and .cse0 .cse1) (and .cse2 .cse3) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)) (not (<= 7 |old(~a28~0)|)) (and .cse4 .cse2 .cse1) (and .cse4 .cse5 .cse6) (not (<= |old(~a28~0)| 7)) (and (= 7 ~a17~0) .cse0 (= ~a11~0 1) (= ~a25~0 ~a19~0) .cse6) (not (= ~a21~0 1)) (and .cse4 .cse0 .cse6) (and .cse4 .cse5 .cse2) (and .cse5 .cse2 .cse6) (and .cse0 .cse5 .cse3) (not (= |old(~a11~0)| |old(~a25~0)|)))) [2020-10-26 20:41:41,857 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 602 619) the Hoare annotation is: (or (not (<= |old(~a28~0)| 7)) (not (= |old(~a19~0)| 1)) (not (= 8 |old(~a17~0)|)) (and (= ~a25~0 ~a11~0) (= ~a19~0 1) (<= 7 ~a28~0) (= ~a25~0 |old(~a25~0)|) (= ~a17~0 8) (<= ~a28~0 7)) (not (= 0 |old(~a25~0)|)) (not (<= 7 |old(~a28~0)|)) (not (= ~a21~0 1)) (not (= |old(~a11~0)| |old(~a25~0)|))) [2020-10-26 20:41:41,857 INFO L274 CegarLoopResult]: For program point L608-3(lines 602 619) no Hoare annotation was computed. [2020-10-26 20:41:41,857 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 602 619) no Hoare annotation was computed. [2020-10-26 20:41:41,858 INFO L270 CegarLoopResult]: At program point L616(line 616) the Hoare annotation is: (let ((.cse1 (= ~a11~0 0)) (.cse4 (= ~a19~0 1)) (.cse2 (= ~a25~0 1)) (.cse6 (= ~a28~0 10)) (.cse0 (= ~a25~0 0)) (.cse5 (= ~a17~0 8)) (.cse3 (<= ~a28~0 9))) (or (not (= |old(~a19~0)| 1)) (and .cse0 .cse1) (and .cse2 .cse3) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)) (not (<= 7 |old(~a28~0)|)) (and .cse4 .cse2 .cse1) (and .cse4 .cse5 .cse6) (not (<= |old(~a28~0)| 7)) (and (= 7 ~a17~0) .cse0 (= ~a11~0 1) (= ~a25~0 ~a19~0) .cse6) (not (= ~a21~0 1)) (and .cse4 .cse0 .cse6) (and .cse4 .cse5 .cse2) (and .cse5 .cse2 .cse6) (and .cse0 .cse5 .cse3) (not (= |old(~a11~0)| |old(~a25~0)|)))) [2020-10-26 20:41:41,858 INFO L274 CegarLoopResult]: For program point L616-1(line 616) no Hoare annotation was computed. [2020-10-26 20:41:41,858 INFO L274 CegarLoopResult]: For program point L613(line 613) no Hoare annotation was computed. [2020-10-26 20:41:41,901 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 08:41:41 BoogieIcfgContainer [2020-10-26 20:41:41,901 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-26 20:41:41,903 INFO L168 Benchmark]: Toolchain (without parser) took 61402.42 ms. Allocated memory was 165.7 MB in the beginning and 755.0 MB in the end (delta: 589.3 MB). Free memory was 139.4 MB in the beginning and 529.6 MB in the end (delta: -390.2 MB). Peak memory consumption was 451.0 MB. Max. memory is 8.0 GB. [2020-10-26 20:41:41,904 INFO L168 Benchmark]: CDTParser took 0.74 ms. Allocated memory is still 125.8 MB. Free memory was 100.0 MB in the beginning and 100.0 MB in the end (delta: 1.6 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-26 20:41:41,908 INFO L168 Benchmark]: CACSL2BoogieTranslator took 873.56 ms. Allocated memory is still 165.7 MB. Free memory was 138.8 MB in the beginning and 145.8 MB in the end (delta: -7.0 MB). Peak memory consumption was 30.1 MB. Max. memory is 8.0 GB. [2020-10-26 20:41:41,910 INFO L168 Benchmark]: Boogie Preprocessor took 144.30 ms. Allocated memory is still 165.7 MB. Free memory was 145.8 MB in the beginning and 141.0 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-26 20:41:41,913 INFO L168 Benchmark]: RCFGBuilder took 1676.74 ms. Allocated memory is still 165.7 MB. Free memory was 140.6 MB in the beginning and 131.1 MB in the end (delta: 9.5 MB). Peak memory consumption was 51.4 MB. Max. memory is 8.0 GB. [2020-10-26 20:41:41,914 INFO L168 Benchmark]: TraceAbstraction took 58692.29 ms. Allocated memory was 165.7 MB in the beginning and 755.0 MB in the end (delta: 589.3 MB). Free memory was 130.5 MB in the beginning and 529.6 MB in the end (delta: -399.1 MB). Peak memory consumption was 441.8 MB. Max. memory is 8.0 GB. [2020-10-26 20:41:41,922 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.74 ms. Allocated memory is still 125.8 MB. Free memory was 100.0 MB in the beginning and 100.0 MB in the end (delta: 1.6 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 873.56 ms. Allocated memory is still 165.7 MB. Free memory was 138.8 MB in the beginning and 145.8 MB in the end (delta: -7.0 MB). Peak memory consumption was 30.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 144.30 ms. Allocated memory is still 165.7 MB. Free memory was 145.8 MB in the beginning and 141.0 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1676.74 ms. Allocated memory is still 165.7 MB. Free memory was 140.6 MB in the beginning and 131.1 MB in the end (delta: 9.5 MB). Peak memory consumption was 51.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 58692.29 ms. Allocated memory was 165.7 MB in the beginning and 755.0 MB in the end (delta: 589.3 MB). Free memory was 130.5 MB in the beginning and 529.6 MB in the end (delta: -399.1 MB). Peak memory consumption was 441.8 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: ((((((((((((((!(\old(a19) == 1) || (a25 == 0 && a11 == 0)) || (a25 == 1 && a28 <= 9)) || !(8 == \old(a17))) || !(0 == \old(a25))) || !(7 <= \old(a28))) || ((a19 == 1 && a25 == 1) && a11 == 0)) || ((a19 == 1 && a17 == 8) && a28 == 10)) || !(\old(a28) <= 7)) || ((((7 == a17 && a25 == 0) && a11 == 1) && a25 == a19) && a28 == 10)) || !(a21 == 1)) || ((a19 == 1 && a25 == 0) && a28 == 10)) || ((a19 == 1 && a17 == 8) && a25 == 1)) || ((a17 == 8 && a25 == 1) && a28 == 10)) || ((a25 == 0 && a17 == 8) && a28 <= 9)) || !(\old(a11) == \old(a25)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 240 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 53.3s, OverallIterations: 10, TraceHistogramMax: 4, AutomataDifference: 23.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 352 SDtfs, 4617 SDslu, 547 SDs, 0 SdLazy, 8941 SolverSat, 1458 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 165 GetRequests, 66 SyntacticMatches, 2 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 6.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2063occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 10 MinimizatonAttempts, 942 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 216 PreInvPairs, 264 NumberOfFragments, 907 HoareAnnotationTreeSize, 216 FomulaSimplifications, 331855 FormulaSimplificationTreeSizeReduction, 1.4s HoareSimplificationTime, 9 FomulaSimplificationsInter, 15913 FormulaSimplificationTreeSizeReductionInter, 3.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 27.4s InterpolantComputationTime, 1690 NumberOfCodeBlocks, 1690 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1680 ConstructedInterpolants, 0 QuantifiedInterpolants, 1647933 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 1 PerfectInterpolantSequences, 319/455 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...