/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/Problem10_label39.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-26 22:32:45,134 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 22:32:45,137 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 22:32:45,176 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 22:32:45,177 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 22:32:45,179 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 22:32:45,181 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 22:32:45,184 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 22:32:45,186 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 22:32:45,188 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 22:32:45,189 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 22:32:45,191 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 22:32:45,191 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 22:32:45,193 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 22:32:45,194 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 22:32:45,196 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 22:32:45,197 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 22:32:45,199 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 22:32:45,224 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 22:32:45,233 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 22:32:45,236 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 22:32:45,239 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 22:32:45,240 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 22:32:45,241 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 22:32:45,245 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 22:32:45,245 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 22:32:45,246 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 22:32:45,247 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 22:32:45,248 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 22:32:45,249 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 22:32:45,250 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 22:32:45,251 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 22:32:45,252 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 22:32:45,253 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 22:32:45,254 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 22:32:45,254 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 22:32:45,255 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 22:32:45,256 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 22:32:45,256 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 22:32:45,257 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 22:32:45,258 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 22:32:45,259 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 22:32:45,288 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 22:32:45,289 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 22:32:45,290 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 22:32:45,291 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 22:32:45,291 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 22:32:45,291 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 22:32:45,291 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-26 22:32:45,292 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-26 22:32:45,292 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-26 22:32:45,292 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 22:32:45,292 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-26 22:32:45,292 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-26 22:32:45,293 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-26 22:32:45,293 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-26 22:32:45,293 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-26 22:32:45,293 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 22:32:45,293 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-26 22:32:45,294 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 22:32:45,294 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 22:32:45,294 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-26 22:32:45,294 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-26 22:32:45,295 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-26 22:32:45,295 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 22:32:45,295 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-26 22:32:45,295 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-26 22:32:45,295 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-26 22:32:45,296 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-26 22:32:45,296 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-26 22:32:45,296 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 22:32:45,296 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-26 22:32:45,730 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 22:32:45,784 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 22:32:45,787 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 22:32:45,789 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 22:32:45,790 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 22:32:45,791 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label39.c [2020-10-26 22:32:45,886 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1ec2b5b2e/567e9c8501334ee7b2696c9f21edd06f/FLAG394307f8b [2020-10-26 22:32:46,699 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 22:32:46,703 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label39.c [2020-10-26 22:32:46,728 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1ec2b5b2e/567e9c8501334ee7b2696c9f21edd06f/FLAG394307f8b [2020-10-26 22:32:46,971 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1ec2b5b2e/567e9c8501334ee7b2696c9f21edd06f [2020-10-26 22:32:46,976 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 22:32:46,988 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-26 22:32:46,992 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 22:32:46,993 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 22:32:46,997 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 22:32:46,998 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:32:46" (1/1) ... [2020-10-26 22:32:47,002 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@823163c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:32:46, skipping insertion in model container [2020-10-26 22:32:47,003 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:32:46" (1/1) ... [2020-10-26 22:32:47,011 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 22:32:47,083 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 22:32:47,544 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 22:32:47,558 INFO L203 MainTranslator]: Completed pre-run [2020-10-26 22:32:47,704 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 22:32:47,728 INFO L208 MainTranslator]: Completed translation [2020-10-26 22:32:47,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:32:47 WrapperNode [2020-10-26 22:32:47,729 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 22:32:47,730 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-26 22:32:47,730 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-26 22:32:47,730 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-26 22:32:47,744 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:32:47" (1/1) ... [2020-10-26 22:32:47,745 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:32:47" (1/1) ... [2020-10-26 22:32:47,769 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:32:47" (1/1) ... [2020-10-26 22:32:47,769 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:32:47" (1/1) ... [2020-10-26 22:32:47,824 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:32:47" (1/1) ... [2020-10-26 22:32:47,842 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:32:47" (1/1) ... [2020-10-26 22:32:47,861 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:32:47" (1/1) ... [2020-10-26 22:32:47,878 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-26 22:32:47,880 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-26 22:32:47,880 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-26 22:32:47,880 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-26 22:32:47,883 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:32:47" (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 22:32:47,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-26 22:32:47,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-26 22:32:47,971 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-26 22:32:47,971 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-26 22:32:47,971 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-26 22:32:47,971 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-26 22:32:47,971 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-26 22:32:47,971 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-26 22:32:47,972 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-26 22:32:47,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-26 22:32:47,972 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-26 22:32:47,972 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-26 22:32:47,972 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-26 22:32:47,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-26 22:32:47,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-26 22:32:47,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-26 22:32:47,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-26 22:32:47,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-26 22:32:47,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-26 22:32:49,513 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-26 22:32:49,514 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-26 22:32:49,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:32:49 BoogieIcfgContainer [2020-10-26 22:32:49,516 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-26 22:32:49,518 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-26 22:32:49,518 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-26 22:32:49,522 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-26 22:32:49,523 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 10:32:46" (1/3) ... [2020-10-26 22:32:49,523 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14864769 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:32:49, skipping insertion in model container [2020-10-26 22:32:49,524 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:32:47" (2/3) ... [2020-10-26 22:32:49,524 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14864769 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:32:49, skipping insertion in model container [2020-10-26 22:32:49,524 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:32:49" (3/3) ... [2020-10-26 22:32:49,526 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label39.c [2020-10-26 22:32:49,539 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-26 22:32:49,545 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-26 22:32:49,559 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-26 22:32:49,593 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-26 22:32:49,593 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-26 22:32:49,593 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-26 22:32:49,593 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-26 22:32:49,593 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-26 22:32:49,594 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-26 22:32:49,594 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-26 22:32:49,594 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-26 22:32:49,619 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states. [2020-10-26 22:32:49,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-10-26 22:32:49,628 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:32:49,629 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] [2020-10-26 22:32:49,629 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:32:49,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:32:49,636 INFO L82 PathProgramCache]: Analyzing trace with hash 633443298, now seen corresponding path program 1 times [2020-10-26 22:32:49,646 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:32:49,647 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1169732015] [2020-10-26 22:32:49,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:32:49,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:32:49,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:32:50,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:32:50,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-26 22:32:50,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:32:50,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 560 [2020-10-26 22:32:50,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:32:50,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-26 22:32:50,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 22:32:50,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-26 22:32:50,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-26 22:32:50,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:32:50,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:32:50,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:32:50,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:32:50,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:32:50,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:32:50,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-26 22:32:50,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:32:50,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:32:50,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:32:50,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 22:32:50,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 22:32:50,618 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 22:32:50,619 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1169732015] [2020-10-26 22:32:50,622 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 22:32:50,622 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-26 22:32:50,623 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308253023] [2020-10-26 22:32:50,629 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-26 22:32:50,629 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:32:50,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-26 22:32:50,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-26 22:32:50,648 INFO L87 Difference]: Start difference. First operand 219 states. Second operand 4 states. [2020-10-26 22:32:52,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:32:52,559 INFO L93 Difference]: Finished difference Result 586 states and 1013 transitions. [2020-10-26 22:32:52,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-26 22:32:52,562 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2020-10-26 22:32:52,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:32:52,578 INFO L225 Difference]: With dead ends: 586 [2020-10-26 22:32:52,578 INFO L226 Difference]: Without dead ends: 303 [2020-10-26 22:32:52,586 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-26 22:32:52,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2020-10-26 22:32:52,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 297. [2020-10-26 22:32:52,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 297 states. [2020-10-26 22:32:52,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 424 transitions. [2020-10-26 22:32:52,671 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 424 transitions. Word has length 33 [2020-10-26 22:32:52,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:32:52,672 INFO L481 AbstractCegarLoop]: Abstraction has 297 states and 424 transitions. [2020-10-26 22:32:52,672 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-26 22:32:52,672 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 424 transitions. [2020-10-26 22:32:52,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-10-26 22:32:52,677 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:32:52,678 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:32:52,678 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-26 22:32:52,678 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:32:52,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:32:52,679 INFO L82 PathProgramCache]: Analyzing trace with hash -2005600637, now seen corresponding path program 1 times [2020-10-26 22:32:52,679 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:32:52,680 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2031956143] [2020-10-26 22:32:52,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:32:52,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:32:52,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:32:52,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:32:53,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:32:53,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:32:53,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-26 22:32:53,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-26 22:32:53,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1135 [2020-10-26 22:32:53,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:32:53,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-26 22:32:53,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 22:32:53,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-26 22:32:53,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 22:32:53,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:32:54,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:32:54,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:32:54,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:32:54,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:32:54,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:32:54,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-26 22:32:54,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:32:54,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:32:54,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:32:54,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 22:32:54,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:32:54,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:32:54,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:32:54,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:32:54,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:32:54,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-26 22:32:54,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:32:54,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 132 [2020-10-26 22:32:54,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:32:54,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:32:54,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:32:54,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-26 22:32:54,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:32:54,338 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 22:32:54,339 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2031956143] [2020-10-26 22:32:54,339 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 22:32:54,339 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-26 22:32:54,339 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483414137] [2020-10-26 22:32:54,341 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:32:54,341 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:32:54,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:32:54,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:32:54,346 INFO L87 Difference]: Start difference. First operand 297 states and 424 transitions. Second operand 7 states. [2020-10-26 22:32:56,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:32:56,609 INFO L93 Difference]: Finished difference Result 767 states and 1130 transitions. [2020-10-26 22:32:56,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-26 22:32:56,611 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 105 [2020-10-26 22:32:56,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:32:56,628 INFO L225 Difference]: With dead ends: 767 [2020-10-26 22:32:56,628 INFO L226 Difference]: Without dead ends: 476 [2020-10-26 22:32:56,631 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-10-26 22:32:56,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2020-10-26 22:32:56,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 446. [2020-10-26 22:32:56,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 446 states. [2020-10-26 22:32:56,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 446 states and 602 transitions. [2020-10-26 22:32:56,738 INFO L78 Accepts]: Start accepts. Automaton has 446 states and 602 transitions. Word has length 105 [2020-10-26 22:32:56,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:32:56,739 INFO L481 AbstractCegarLoop]: Abstraction has 446 states and 602 transitions. [2020-10-26 22:32:56,739 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:32:56,739 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 602 transitions. [2020-10-26 22:32:56,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-10-26 22:32:56,747 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:32:56,747 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:32:56,748 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-26 22:32:56,748 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:32:56,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:32:56,752 INFO L82 PathProgramCache]: Analyzing trace with hash -827095523, now seen corresponding path program 1 times [2020-10-26 22:32:56,752 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:32:56,752 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1408369748] [2020-10-26 22:32:56,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:32:56,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:32:56,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:32:57,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:32:57,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:32:57,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-10-26 22:32:57,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 22:32:57,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 623 [2020-10-26 22:32:57,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:32:57,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:32:57,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-26 22:32:57,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-26 22:32:57,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:32:57,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:32:57,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:32:57,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:32:57,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:32:57,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:32:57,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:32:57,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-26 22:32:57,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:32:57,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:32:57,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:32:57,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:32:57,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:32:57,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:32:57,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:32:57,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:32:57,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:32:57,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-26 22:32:57,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:32:57,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 125 [2020-10-26 22:32:57,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:32:57,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:32:57,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:32:57,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-26 22:32:57,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:32:57,905 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 24 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 22:32:57,905 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1408369748] [2020-10-26 22:32:57,906 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:32:57,906 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-26 22:32:57,906 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296364711] [2020-10-26 22:32:57,907 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-26 22:32:57,907 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:32:57,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-26 22:32:57,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-26 22:32:57,912 INFO L87 Difference]: Start difference. First operand 446 states and 602 transitions. Second operand 5 states. [2020-10-26 22:32:59,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:32:59,201 INFO L93 Difference]: Finished difference Result 768 states and 1061 transitions. [2020-10-26 22:32:59,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-26 22:32:59,206 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 112 [2020-10-26 22:32:59,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:32:59,209 INFO L225 Difference]: With dead ends: 768 [2020-10-26 22:32:59,210 INFO L226 Difference]: Without dead ends: 448 [2020-10-26 22:32:59,211 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-26 22:32:59,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2020-10-26 22:32:59,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 446. [2020-10-26 22:32:59,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 446 states. [2020-10-26 22:32:59,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 446 states and 599 transitions. [2020-10-26 22:32:59,234 INFO L78 Accepts]: Start accepts. Automaton has 446 states and 599 transitions. Word has length 112 [2020-10-26 22:32:59,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:32:59,235 INFO L481 AbstractCegarLoop]: Abstraction has 446 states and 599 transitions. [2020-10-26 22:32:59,235 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-26 22:32:59,235 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 599 transitions. [2020-10-26 22:32:59,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-10-26 22:32:59,237 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:32:59,238 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:32:59,238 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-26 22:32:59,238 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:32:59,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:32:59,239 INFO L82 PathProgramCache]: Analyzing trace with hash -929950239, now seen corresponding path program 1 times [2020-10-26 22:32:59,239 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:32:59,239 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [722636882] [2020-10-26 22:32:59,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:32:59,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:32:59,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:32:59,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:32:59,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:32:59,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-26 22:32:59,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 22:32:59,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 720 [2020-10-26 22:33:00,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:00,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-26 22:33:00,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 22:33:00,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-26 22:33:00,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:00,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:33:00,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:00,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:00,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:00,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:33:00,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:00,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-26 22:33:00,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:00,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:33:00,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:33:00,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 22:33:00,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:00,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:33:00,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:00,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:00,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:00,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-26 22:33:00,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:00,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-10-26 22:33:00,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:00,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:33:00,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:33:00,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-26 22:33:00,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:00,397 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 22:33:00,398 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [722636882] [2020-10-26 22:33:00,398 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 22:33:00,398 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-26 22:33:00,398 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114553787] [2020-10-26 22:33:00,399 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:33:00,399 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:33:00,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:33:00,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:33:00,400 INFO L87 Difference]: Start difference. First operand 446 states and 599 transitions. Second operand 7 states. [2020-10-26 22:33:02,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:33:02,521 INFO L93 Difference]: Finished difference Result 1055 states and 1486 transitions. [2020-10-26 22:33:02,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-26 22:33:02,521 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 114 [2020-10-26 22:33:02,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:33:02,527 INFO L225 Difference]: With dead ends: 1055 [2020-10-26 22:33:02,527 INFO L226 Difference]: Without dead ends: 758 [2020-10-26 22:33:02,528 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-26 22:33:02,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 758 states. [2020-10-26 22:33:02,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 758 to 744. [2020-10-26 22:33:02,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 744 states. [2020-10-26 22:33:02,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 916 transitions. [2020-10-26 22:33:02,560 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 916 transitions. Word has length 114 [2020-10-26 22:33:02,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:33:02,561 INFO L481 AbstractCegarLoop]: Abstraction has 744 states and 916 transitions. [2020-10-26 22:33:02,561 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:33:02,561 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 916 transitions. [2020-10-26 22:33:02,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-10-26 22:33:02,564 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:33:02,564 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:33:02,565 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-26 22:33:02,565 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:33:02,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:33:02,565 INFO L82 PathProgramCache]: Analyzing trace with hash 943274336, now seen corresponding path program 1 times [2020-10-26 22:33:02,566 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:33:02,566 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1943698047] [2020-10-26 22:33:02,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:33:02,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:02,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:02,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:03,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:03,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:03,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:03,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-26 22:33:03,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-26 22:33:03,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1300 [2020-10-26 22:33:03,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:03,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-26 22:33:03,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 22:33:03,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-26 22:33:03,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:04,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:33:04,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:04,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:04,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:04,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:33:04,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:04,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-26 22:33:04,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:04,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:33:04,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:33:04,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 22:33:04,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:04,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:33:04,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:04,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:04,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:04,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:04,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-26 22:33:04,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 22:33:04,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 141 [2020-10-26 22:33:04,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:04,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:33:04,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:33:04,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-26 22:33:04,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:04,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-26 22:33:04,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:04,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:04,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:04,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:04,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-26 22:33:04,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 22:33:04,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 137 [2020-10-26 22:33:04,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:04,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-26 22:33:04,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:33:04,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-26 22:33:04,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:04,911 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2020-10-26 22:33:04,912 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1943698047] [2020-10-26 22:33:04,912 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:33:04,912 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 22:33:04,912 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961585521] [2020-10-26 22:33:04,913 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-26 22:33:04,913 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:33:04,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-26 22:33:04,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-10-26 22:33:04,914 INFO L87 Difference]: Start difference. First operand 744 states and 916 transitions. Second operand 8 states. [2020-10-26 22:33:07,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:33:07,940 INFO L93 Difference]: Finished difference Result 969 states and 1175 transitions. [2020-10-26 22:33:07,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-26 22:33:07,941 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 175 [2020-10-26 22:33:07,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:33:07,947 INFO L225 Difference]: With dead ends: 969 [2020-10-26 22:33:07,947 INFO L226 Difference]: Without dead ends: 966 [2020-10-26 22:33:07,948 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2020-10-26 22:33:07,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 966 states. [2020-10-26 22:33:07,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 966 to 895. [2020-10-26 22:33:07,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 895 states. [2020-10-26 22:33:07,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 895 states to 895 states and 1094 transitions. [2020-10-26 22:33:07,983 INFO L78 Accepts]: Start accepts. Automaton has 895 states and 1094 transitions. Word has length 175 [2020-10-26 22:33:07,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:33:07,983 INFO L481 AbstractCegarLoop]: Abstraction has 895 states and 1094 transitions. [2020-10-26 22:33:07,983 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-26 22:33:07,983 INFO L276 IsEmpty]: Start isEmpty. Operand 895 states and 1094 transitions. [2020-10-26 22:33:07,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2020-10-26 22:33:07,989 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:33:07,989 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 22:33:07,989 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-26 22:33:07,990 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:33:07,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:33:07,991 INFO L82 PathProgramCache]: Analyzing trace with hash 1742650276, now seen corresponding path program 1 times [2020-10-26 22:33:07,991 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:33:07,992 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1568078163] [2020-10-26 22:33:07,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:33:08,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:08,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:08,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:08,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:08,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-10-26 22:33:08,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 22:33:08,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 657 [2020-10-26 22:33:08,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:08,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:33:08,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-26 22:33:08,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-26 22:33:08,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:08,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:33:08,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:08,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:08,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:08,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:33:08,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:08,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-26 22:33:08,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:08,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:33:08,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:33:08,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:33:08,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:08,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:33:08,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:08,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:08,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:08,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-26 22:33:08,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:08,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-26 22:33:08,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:08,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:33:08,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:33:08,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-26 22:33:08,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:08,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-26 22:33:08,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:08,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:09,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:09,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-26 22:33:09,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:09,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 120 [2020-10-26 22:33:09,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:09,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:33:09,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:33:09,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-26 22:33:09,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:09,196 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 117 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-26 22:33:09,197 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1568078163] [2020-10-26 22:33:09,197 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:33:09,197 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-26 22:33:09,197 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806219124] [2020-10-26 22:33:09,198 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-26 22:33:09,198 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:33:09,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-26 22:33:09,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-26 22:33:09,199 INFO L87 Difference]: Start difference. First operand 895 states and 1094 transitions. Second operand 8 states. [2020-10-26 22:33:12,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:33:12,365 INFO L93 Difference]: Finished difference Result 1969 states and 2559 transitions. [2020-10-26 22:33:12,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-26 22:33:12,366 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 184 [2020-10-26 22:33:12,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:33:12,375 INFO L225 Difference]: With dead ends: 1969 [2020-10-26 22:33:12,375 INFO L226 Difference]: Without dead ends: 1223 [2020-10-26 22:33:12,378 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-10-26 22:33:12,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1223 states. [2020-10-26 22:33:12,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1223 to 1052. [2020-10-26 22:33:12,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1052 states. [2020-10-26 22:33:12,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 1296 transitions. [2020-10-26 22:33:12,424 INFO L78 Accepts]: Start accepts. Automaton has 1052 states and 1296 transitions. Word has length 184 [2020-10-26 22:33:12,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:33:12,424 INFO L481 AbstractCegarLoop]: Abstraction has 1052 states and 1296 transitions. [2020-10-26 22:33:12,425 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-26 22:33:12,425 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1296 transitions. [2020-10-26 22:33:12,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2020-10-26 22:33:12,429 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:33:12,429 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:33:12,430 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-26 22:33:12,430 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:33:12,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:33:12,431 INFO L82 PathProgramCache]: Analyzing trace with hash -1086085570, now seen corresponding path program 1 times [2020-10-26 22:33:12,431 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:33:12,431 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [902692014] [2020-10-26 22:33:12,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:33:12,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:12,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:12,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:13,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:13,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 243 [2020-10-26 22:33:13,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 22:33:13,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1326 [2020-10-26 22:33:13,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:13,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:33:13,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-26 22:33:13,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-26 22:33:13,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:13,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:33:13,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:13,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:13,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:13,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:33:13,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:13,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-26 22:33:13,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:13,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:33:13,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:33:13,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:33:13,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:13,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:33:14,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:14,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:14,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:14,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-26 22:33:14,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:14,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 117 [2020-10-26 22:33:14,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:14,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:33:14,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:33:14,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-26 22:33:14,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:14,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-26 22:33:14,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:14,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:14,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:14,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-26 22:33:14,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:14,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-10-26 22:33:14,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:14,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:33:14,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:33:14,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-26 22:33:14,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:14,469 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 128 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-26 22:33:14,469 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [902692014] [2020-10-26 22:33:14,470 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:33:14,470 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 22:33:14,470 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964692900] [2020-10-26 22:33:14,471 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:33:14,471 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:33:14,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:33:14,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:33:14,472 INFO L87 Difference]: Start difference. First operand 1052 states and 1296 transitions. Second operand 7 states. [2020-10-26 22:33:17,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:33:17,005 INFO L93 Difference]: Finished difference Result 2577 states and 3317 transitions. [2020-10-26 22:33:17,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-26 22:33:17,006 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 229 [2020-10-26 22:33:17,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:33:17,016 INFO L225 Difference]: With dead ends: 2577 [2020-10-26 22:33:17,017 INFO L226 Difference]: Without dead ends: 1674 [2020-10-26 22:33:17,020 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-26 22:33:17,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1674 states. [2020-10-26 22:33:17,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1674 to 1658. [2020-10-26 22:33:17,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1658 states. [2020-10-26 22:33:17,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1658 states to 1658 states and 2036 transitions. [2020-10-26 22:33:17,083 INFO L78 Accepts]: Start accepts. Automaton has 1658 states and 2036 transitions. Word has length 229 [2020-10-26 22:33:17,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:33:17,084 INFO L481 AbstractCegarLoop]: Abstraction has 1658 states and 2036 transitions. [2020-10-26 22:33:17,084 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:33:17,084 INFO L276 IsEmpty]: Start isEmpty. Operand 1658 states and 2036 transitions. [2020-10-26 22:33:17,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2020-10-26 22:33:17,090 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:33:17,090 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:33:17,091 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-26 22:33:17,091 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:33:17,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:33:17,091 INFO L82 PathProgramCache]: Analyzing trace with hash -1190527406, now seen corresponding path program 1 times [2020-10-26 22:33:17,092 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:33:17,092 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1552257165] [2020-10-26 22:33:17,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:33:17,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:17,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:17,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:17,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 265 [2020-10-26 22:33:17,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:17,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 378 [2020-10-26 22:33:17,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:17,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:33:17,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 230 [2020-10-26 22:33:17,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-26 22:33:17,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:17,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:33:17,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:17,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:17,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:17,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:33:17,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:17,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-26 22:33:17,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:17,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:33:17,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:33:17,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:33:17,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:17,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:33:17,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:17,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:17,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:17,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-26 22:33:17,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:17,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-10-26 22:33:17,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:17,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:33:17,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:33:17,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:33:17,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:17,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-26 22:33:17,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:17,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:17,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:17,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-26 22:33:17,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:17,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-26 22:33:17,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:17,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:33:17,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:33:17,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-26 22:33:17,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:17,992 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 51 proven. 2 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2020-10-26 22:33:17,993 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1552257165] [2020-10-26 22:33:17,993 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:33:17,993 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-26 22:33:17,994 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062617614] [2020-10-26 22:33:17,994 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-26 22:33:17,994 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:33:17,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-26 22:33:17,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-26 22:33:17,995 INFO L87 Difference]: Start difference. First operand 1658 states and 2036 transitions. Second operand 5 states. [2020-10-26 22:33:19,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:33:19,874 INFO L93 Difference]: Finished difference Result 3600 states and 4525 transitions. [2020-10-26 22:33:19,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-26 22:33:19,874 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 251 [2020-10-26 22:33:19,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:33:19,886 INFO L225 Difference]: With dead ends: 3600 [2020-10-26 22:33:19,886 INFO L226 Difference]: Without dead ends: 2091 [2020-10-26 22:33:19,891 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-26 22:33:19,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2091 states. [2020-10-26 22:33:19,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2091 to 1940. [2020-10-26 22:33:19,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1940 states. [2020-10-26 22:33:19,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1940 states to 1940 states and 2333 transitions. [2020-10-26 22:33:19,963 INFO L78 Accepts]: Start accepts. Automaton has 1940 states and 2333 transitions. Word has length 251 [2020-10-26 22:33:19,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:33:19,963 INFO L481 AbstractCegarLoop]: Abstraction has 1940 states and 2333 transitions. [2020-10-26 22:33:19,963 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-26 22:33:19,964 INFO L276 IsEmpty]: Start isEmpty. Operand 1940 states and 2333 transitions. [2020-10-26 22:33:19,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2020-10-26 22:33:19,972 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:33:19,972 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:33:19,973 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-26 22:33:19,973 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:33:19,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:33:19,974 INFO L82 PathProgramCache]: Analyzing trace with hash -1087905599, now seen corresponding path program 1 times [2020-10-26 22:33:19,974 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:33:19,975 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1661398478] [2020-10-26 22:33:19,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:33:20,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:20,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:20,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:20,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:21,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:21,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:25,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:25,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 327 [2020-10-26 22:33:25,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-26 22:33:25,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5040 [2020-10-26 22:33:25,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:25,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:33:25,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-26 22:33:25,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-26 22:33:25,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:25,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:33:25,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:25,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:25,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:25,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:33:25,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:25,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-26 22:33:25,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:25,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:33:25,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:33:25,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:33:25,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 22:33:25,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:33:25,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:25,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:25,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:25,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-26 22:33:25,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:25,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-26 22:33:25,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:25,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:33:25,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:33:25,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-26 22:33:25,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:25,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-26 22:33:25,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:25,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:25,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:25,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-26 22:33:25,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:25,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 132 [2020-10-26 22:33:25,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:25,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:33:25,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:33:25,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-26 22:33:25,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:25,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-10-26 22:33:25,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:25,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:25,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:25,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-26 22:33:25,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:25,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-26 22:33:25,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:25,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:33:25,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 124 [2020-10-26 22:33:25,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:33:25,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 22:33:25,875 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 146 proven. 81 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-10-26 22:33:25,876 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1661398478] [2020-10-26 22:33:25,876 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:33:25,876 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 22:33:25,877 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943258163] [2020-10-26 22:33:25,878 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:33:25,882 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:33:25,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:33:25,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:33:25,885 INFO L87 Difference]: Start difference. First operand 1940 states and 2333 transitions. Second operand 7 states. [2020-10-26 22:33:28,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:33:28,046 INFO L93 Difference]: Finished difference Result 4047 states and 4916 transitions. [2020-10-26 22:33:28,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-26 22:33:28,047 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 311 [2020-10-26 22:33:28,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:33:28,059 INFO L225 Difference]: With dead ends: 4047 [2020-10-26 22:33:28,059 INFO L226 Difference]: Without dead ends: 2256 [2020-10-26 22:33:28,064 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-26 22:33:28,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2256 states. [2020-10-26 22:33:28,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2256 to 2240. [2020-10-26 22:33:28,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2240 states. [2020-10-26 22:33:28,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2240 states to 2240 states and 2665 transitions. [2020-10-26 22:33:28,136 INFO L78 Accepts]: Start accepts. Automaton has 2240 states and 2665 transitions. Word has length 311 [2020-10-26 22:33:28,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:33:28,136 INFO L481 AbstractCegarLoop]: Abstraction has 2240 states and 2665 transitions. [2020-10-26 22:33:28,137 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:33:28,137 INFO L276 IsEmpty]: Start isEmpty. Operand 2240 states and 2665 transitions. [2020-10-26 22:33:28,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2020-10-26 22:33:28,147 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:33:28,148 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 22:33:28,148 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-26 22:33:28,148 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:33:28,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:33:28,149 INFO L82 PathProgramCache]: Analyzing trace with hash -1555703065, now seen corresponding path program 1 times [2020-10-26 22:33:28,149 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:33:28,149 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [295156135] [2020-10-26 22:33:28,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:33:28,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:28,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:28,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:29,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:29,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:30,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:33,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:33,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 372 [2020-10-26 22:33:33,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-26 22:33:33,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5029 [2020-10-26 22:33:33,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:33,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:33:33,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-26 22:33:33,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-26 22:33:33,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:33,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:33:33,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:33,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:33,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:33,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:33:33,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:33,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-26 22:33:33,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:33,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:33:33,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:33:33,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:33:33,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:33,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:33:33,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:33,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:33,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:33,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-26 22:33:33,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:33,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-10-26 22:33:33,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:33,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:33:33,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:33:33,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-26 22:33:33,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:33,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-26 22:33:33,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:33,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:33,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:33,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-26 22:33:33,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:33,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 133 [2020-10-26 22:33:33,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:33,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:33:33,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:33:33,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-26 22:33:33,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 22:33:33,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-10-26 22:33:33,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:33,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:33,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:33,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-26 22:33:33,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:33,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-26 22:33:33,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:33,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:33:33,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 124 [2020-10-26 22:33:33,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:33:33,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:34,124 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 158 proven. 81 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2020-10-26 22:33:34,124 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [295156135] [2020-10-26 22:33:34,125 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:33:34,125 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 22:33:34,126 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924026658] [2020-10-26 22:33:34,127 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:33:34,127 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:33:34,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:33:34,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:33:34,129 INFO L87 Difference]: Start difference. First operand 2240 states and 2665 transitions. Second operand 7 states. [2020-10-26 22:33:36,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:33:36,305 INFO L93 Difference]: Finished difference Result 4345 states and 5190 transitions. [2020-10-26 22:33:36,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-26 22:33:36,306 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 356 [2020-10-26 22:33:36,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:33:36,317 INFO L225 Difference]: With dead ends: 4345 [2020-10-26 22:33:36,317 INFO L226 Difference]: Without dead ends: 2254 [2020-10-26 22:33:36,323 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-26 22:33:36,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2254 states. [2020-10-26 22:33:36,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2254 to 2236. [2020-10-26 22:33:36,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2236 states. [2020-10-26 22:33:36,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2236 states to 2236 states and 2552 transitions. [2020-10-26 22:33:36,389 INFO L78 Accepts]: Start accepts. Automaton has 2236 states and 2552 transitions. Word has length 356 [2020-10-26 22:33:36,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:33:36,389 INFO L481 AbstractCegarLoop]: Abstraction has 2236 states and 2552 transitions. [2020-10-26 22:33:36,389 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:33:36,390 INFO L276 IsEmpty]: Start isEmpty. Operand 2236 states and 2552 transitions. [2020-10-26 22:33:36,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2020-10-26 22:33:36,399 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:33:36,399 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:33:36,400 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-26 22:33:36,400 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:33:36,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:33:36,400 INFO L82 PathProgramCache]: Analyzing trace with hash 1290206611, now seen corresponding path program 1 times [2020-10-26 22:33:36,401 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:33:36,401 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1450691775] [2020-10-26 22:33:36,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:33:36,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:36,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:36,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:37,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:38,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:38,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 375 [2020-10-26 22:33:38,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-26 22:33:38,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2189 [2020-10-26 22:33:38,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:38,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:33:38,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 212 [2020-10-26 22:33:38,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 129 [2020-10-26 22:33:38,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:38,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:33:38,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:38,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:38,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:38,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:33:38,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:38,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-26 22:33:38,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:38,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:33:38,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:33:38,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:33:38,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:38,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:33:38,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:38,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:38,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:38,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-26 22:33:38,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:38,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-26 22:33:38,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:38,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:33:38,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:33:38,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:33:38,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:38,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-26 22:33:38,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:38,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:39,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:39,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-26 22:33:39,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:39,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-26 22:33:39,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:39,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:33:39,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:33:39,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-26 22:33:39,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:39,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-10-26 22:33:39,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:39,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:39,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:39,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-26 22:33:39,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:39,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 181 [2020-10-26 22:33:39,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:39,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:33:39,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:33:39,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-10-26 22:33:39,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:39,440 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 274 proven. 2 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2020-10-26 22:33:39,440 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1450691775] [2020-10-26 22:33:39,440 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:33:39,441 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 22:33:39,441 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014988695] [2020-10-26 22:33:39,441 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:33:39,442 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:33:39,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:33:39,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:33:39,443 INFO L87 Difference]: Start difference. First operand 2236 states and 2552 transitions. Second operand 7 states. [2020-10-26 22:33:41,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:33:41,944 INFO L93 Difference]: Finished difference Result 5350 states and 6235 transitions. [2020-10-26 22:33:41,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-26 22:33:41,951 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 359 [2020-10-26 22:33:41,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:33:41,966 INFO L225 Difference]: With dead ends: 5350 [2020-10-26 22:33:41,966 INFO L226 Difference]: Without dead ends: 3263 [2020-10-26 22:33:41,973 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-26 22:33:41,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3263 states. [2020-10-26 22:33:42,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3263 to 2967. [2020-10-26 22:33:42,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2967 states. [2020-10-26 22:33:42,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2967 states to 2967 states and 3432 transitions. [2020-10-26 22:33:42,064 INFO L78 Accepts]: Start accepts. Automaton has 2967 states and 3432 transitions. Word has length 359 [2020-10-26 22:33:42,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:33:42,065 INFO L481 AbstractCegarLoop]: Abstraction has 2967 states and 3432 transitions. [2020-10-26 22:33:42,065 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:33:42,065 INFO L276 IsEmpty]: Start isEmpty. Operand 2967 states and 3432 transitions. [2020-10-26 22:33:42,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 399 [2020-10-26 22:33:42,080 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:33:42,080 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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 22:33:42,080 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-26 22:33:42,081 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:33:42,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:33:42,081 INFO L82 PathProgramCache]: Analyzing trace with hash 1875687547, now seen corresponding path program 1 times [2020-10-26 22:33:42,081 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:33:42,082 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [394846307] [2020-10-26 22:33:42,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:33:42,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:42,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:42,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:43,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:44,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:44,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 414 [2020-10-26 22:33:44,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-26 22:33:44,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1978 [2020-10-26 22:33:44,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:44,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:33:44,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 251 [2020-10-26 22:33:44,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 129 [2020-10-26 22:33:44,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:44,395 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2020-10-26 22:33:44,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:33:44,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:44,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:44,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:44,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:33:44,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:44,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-26 22:33:44,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:44,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:33:44,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:33:44,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:33:44,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 22:33:44,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:33:44,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:44,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:44,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:44,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-26 22:33:44,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:44,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-26 22:33:44,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:44,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:33:44,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:33:44,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:33:44,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 22:33:44,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-26 22:33:44,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:44,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:44,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:44,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-26 22:33:44,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:44,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 133 [2020-10-26 22:33:44,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:44,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:33:44,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:33:44,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-26 22:33:44,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 22:33:44,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2020-10-26 22:33:44,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:44,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:45,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:45,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-26 22:33:45,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:45,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 211 [2020-10-26 22:33:45,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:45,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:33:45,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:33:45,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-10-26 22:33:45,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:45,237 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 302 proven. 2 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2020-10-26 22:33:45,237 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [394846307] [2020-10-26 22:33:45,237 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:33:45,237 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 22:33:45,238 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596971486] [2020-10-26 22:33:45,238 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:33:45,238 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:33:45,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:33:45,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:33:45,239 INFO L87 Difference]: Start difference. First operand 2967 states and 3432 transitions. Second operand 7 states. [2020-10-26 22:33:47,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:33:47,609 INFO L93 Difference]: Finished difference Result 6095 states and 7107 transitions. [2020-10-26 22:33:47,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-26 22:33:47,616 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 398 [2020-10-26 22:33:47,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:33:47,631 INFO L225 Difference]: With dead ends: 6095 [2020-10-26 22:33:47,631 INFO L226 Difference]: Without dead ends: 3277 [2020-10-26 22:33:47,638 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2020-10-26 22:33:47,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3277 states. [2020-10-26 22:33:47,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3277 to 3114. [2020-10-26 22:33:47,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3114 states. [2020-10-26 22:33:47,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3114 states to 3114 states and 3587 transitions. [2020-10-26 22:33:47,746 INFO L78 Accepts]: Start accepts. Automaton has 3114 states and 3587 transitions. Word has length 398 [2020-10-26 22:33:47,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:33:47,747 INFO L481 AbstractCegarLoop]: Abstraction has 3114 states and 3587 transitions. [2020-10-26 22:33:47,747 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:33:47,747 INFO L276 IsEmpty]: Start isEmpty. Operand 3114 states and 3587 transitions. [2020-10-26 22:33:47,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 432 [2020-10-26 22:33:47,758 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:33:47,758 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:33:47,759 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-26 22:33:47,759 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:33:47,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:33:47,759 INFO L82 PathProgramCache]: Analyzing trace with hash -1961970293, now seen corresponding path program 1 times [2020-10-26 22:33:47,760 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:33:47,760 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1934408988] [2020-10-26 22:33:47,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:33:47,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:47,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:48,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:48,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:48,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 447 [2020-10-26 22:33:48,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 22:33:48,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 847 [2020-10-26 22:33:48,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:48,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:33:48,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 412 [2020-10-26 22:33:48,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-26 22:33:48,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:48,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:33:48,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:48,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:48,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:48,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:33:48,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:48,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-26 22:33:48,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:48,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:33:48,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:33:48,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:33:48,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:48,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:33:48,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:48,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:48,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:48,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-26 22:33:48,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:48,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-26 22:33:48,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:48,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:33:48,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:33:48,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:33:48,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:48,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-26 22:33:48,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:48,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:49,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:49,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-10-26 22:33:49,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:49,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-26 22:33:49,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:49,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:33:49,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:33:49,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:33:49,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:49,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2020-10-26 22:33:49,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:49,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:49,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:49,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-26 22:33:49,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:49,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 158 [2020-10-26 22:33:49,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:49,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:33:49,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:33:49,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-10-26 22:33:49,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:49,365 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 78 proven. 3 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2020-10-26 22:33:49,365 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1934408988] [2020-10-26 22:33:49,366 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:33:49,366 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-26 22:33:49,366 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527140231] [2020-10-26 22:33:49,367 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-26 22:33:49,367 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:33:49,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-26 22:33:49,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-26 22:33:49,368 INFO L87 Difference]: Start difference. First operand 3114 states and 3587 transitions. Second operand 5 states. [2020-10-26 22:33:51,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:33:51,052 INFO L93 Difference]: Finished difference Result 6225 states and 7213 transitions. [2020-10-26 22:33:51,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-26 22:33:51,053 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 431 [2020-10-26 22:33:51,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:33:51,054 INFO L225 Difference]: With dead ends: 6225 [2020-10-26 22:33:51,054 INFO L226 Difference]: Without dead ends: 0 [2020-10-26 22:33:51,066 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-26 22:33:51,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-26 22:33:51,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-26 22:33:51,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-26 22:33:51,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-26 22:33:51,067 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 431 [2020-10-26 22:33:51,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:33:51,068 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 22:33:51,068 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-26 22:33:51,068 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-26 22:33:51,068 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-26 22:33:51,068 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-26 22:33:51,070 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-26 22:33:51,237 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 124 [2020-10-26 22:33:51,795 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 124 [2020-10-26 22:33:52,101 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 34 [2020-10-26 22:33:52,768 WARN L193 SmtUtils]: Spent 658.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 38 [2020-10-26 22:33:53,012 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 25 [2020-10-26 22:33:53,252 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 34 [2020-10-26 22:33:53,257 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-26 22:33:53,257 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-26 22:33:53,258 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-26 22:33:53,258 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-26 22:33:53,258 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-26 22:33:53,258 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~a12~0 |old(~a12~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~inputB~0 |old(~inputB~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~a4~0 |old(~a4~0)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~a10~0 |old(~a10~0)|)) [2020-10-26 22:33:53,258 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-26 22:33:53,259 INFO L274 CegarLoopResult]: For program point L531(lines 531 574) no Hoare annotation was computed. [2020-10-26 22:33:53,259 INFO L274 CegarLoopResult]: For program point L432(lines 432 574) no Hoare annotation was computed. [2020-10-26 22:33:53,259 INFO L274 CegarLoopResult]: For program point L267(lines 267 574) no Hoare annotation was computed. [2020-10-26 22:33:53,259 INFO L274 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-26 22:33:53,259 INFO L274 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-26 22:33:53,259 INFO L274 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-26 22:33:53,259 INFO L274 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-26 22:33:53,259 INFO L274 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-26 22:33:53,259 INFO L274 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-26 22:33:53,260 INFO L274 CegarLoopResult]: For program point L565(lines 565 574) no Hoare annotation was computed. [2020-10-26 22:33:53,260 INFO L274 CegarLoopResult]: For program point L400(lines 400 574) no Hoare annotation was computed. [2020-10-26 22:33:53,260 INFO L274 CegarLoopResult]: For program point L367(lines 367 574) no Hoare annotation was computed. [2020-10-26 22:33:53,260 INFO L274 CegarLoopResult]: For program point L467(lines 467 574) no Hoare annotation was computed. [2020-10-26 22:33:53,260 INFO L274 CegarLoopResult]: For program point L203-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:53,260 INFO L274 CegarLoopResult]: For program point L170-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:53,260 INFO L274 CegarLoopResult]: For program point L137-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:53,260 INFO L274 CegarLoopResult]: For program point L104-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:53,260 INFO L274 CegarLoopResult]: For program point L71-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:53,261 INFO L274 CegarLoopResult]: For program point L38-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:53,261 INFO L274 CegarLoopResult]: For program point L501(lines 501 574) no Hoare annotation was computed. [2020-10-26 22:33:53,261 INFO L274 CegarLoopResult]: For program point L303(lines 303 574) no Hoare annotation was computed. [2020-10-26 22:33:53,261 INFO L274 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-26 22:33:53,261 INFO L274 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-26 22:33:53,261 INFO L274 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-26 22:33:53,261 INFO L274 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-26 22:33:53,261 INFO L274 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-26 22:33:53,261 INFO L274 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-26 22:33:53,261 INFO L274 CegarLoopResult]: For program point L337(lines 337 574) no Hoare annotation was computed. [2020-10-26 22:33:53,262 INFO L274 CegarLoopResult]: For program point L238(lines 238 574) no Hoare annotation was computed. [2020-10-26 22:33:53,262 INFO L274 CegarLoopResult]: For program point L536(lines 536 574) no Hoare annotation was computed. [2020-10-26 22:33:53,262 INFO L274 CegarLoopResult]: For program point L173-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:53,262 INFO L274 CegarLoopResult]: For program point L140-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:53,262 INFO L274 CegarLoopResult]: For program point L107-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:53,262 INFO L274 CegarLoopResult]: For program point L74-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:53,262 INFO L274 CegarLoopResult]: For program point L41-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:53,262 INFO L274 CegarLoopResult]: For program point L438(lines 438 574) no Hoare annotation was computed. [2020-10-26 22:33:53,262 INFO L274 CegarLoopResult]: For program point L405(lines 405 574) no Hoare annotation was computed. [2020-10-26 22:33:53,262 INFO L274 CegarLoopResult]: For program point L372(lines 372 574) no Hoare annotation was computed. [2020-10-26 22:33:53,262 INFO L274 CegarLoopResult]: For program point L273(lines 273 574) no Hoare annotation was computed. [2020-10-26 22:33:53,263 INFO L274 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-26 22:33:53,263 INFO L274 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-26 22:33:53,263 INFO L274 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-26 22:33:53,263 INFO L274 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-26 22:33:53,263 INFO L274 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-26 22:33:53,263 INFO L274 CegarLoopResult]: For program point L571(lines 571 574) no Hoare annotation was computed. [2020-10-26 22:33:53,263 INFO L274 CegarLoopResult]: For program point L241(lines 241 574) no Hoare annotation was computed. [2020-10-26 22:33:53,263 INFO L274 CegarLoopResult]: For program point L506(lines 506 574) no Hoare annotation was computed. [2020-10-26 22:33:53,263 INFO L274 CegarLoopResult]: For program point L473(lines 473 574) no Hoare annotation was computed. [2020-10-26 22:33:53,264 INFO L274 CegarLoopResult]: For program point L308(lines 308 574) no Hoare annotation was computed. [2020-10-26 22:33:53,264 INFO L274 CegarLoopResult]: For program point L176-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:53,264 INFO L274 CegarLoopResult]: For program point L143-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:53,264 INFO L274 CegarLoopResult]: For program point L110-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:53,264 INFO L274 CegarLoopResult]: For program point L77-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:53,264 INFO L274 CegarLoopResult]: For program point L44-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:53,264 INFO L274 CegarLoopResult]: For program point L342(lines 342 574) no Hoare annotation was computed. [2020-10-26 22:33:53,264 INFO L274 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-26 22:33:53,264 INFO L274 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-26 22:33:53,264 INFO L274 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-26 22:33:53,265 INFO L274 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-26 22:33:53,265 INFO L274 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-26 22:33:53,265 INFO L274 CegarLoopResult]: For program point L542(lines 542 574) no Hoare annotation was computed. [2020-10-26 22:33:53,265 INFO L274 CegarLoopResult]: For program point L410(lines 410 574) no Hoare annotation was computed. [2020-10-26 22:33:53,265 INFO L274 CegarLoopResult]: For program point L377(lines 377 574) no Hoare annotation was computed. [2020-10-26 22:33:53,265 INFO L274 CegarLoopResult]: For program point L212(lines 212 574) no Hoare annotation was computed. [2020-10-26 22:33:53,265 INFO L274 CegarLoopResult]: For program point L179-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:53,265 INFO L274 CegarLoopResult]: For program point L146-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:53,265 INFO L274 CegarLoopResult]: For program point L113-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:53,265 INFO L274 CegarLoopResult]: For program point L80-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:53,266 INFO L274 CegarLoopResult]: For program point L47-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:53,266 INFO L274 CegarLoopResult]: For program point L444(lines 444 574) no Hoare annotation was computed. [2020-10-26 22:33:53,266 INFO L274 CegarLoopResult]: For program point L279(lines 279 574) no Hoare annotation was computed. [2020-10-26 22:33:53,266 INFO L274 CegarLoopResult]: For program point L246(lines 246 574) no Hoare annotation was computed. [2020-10-26 22:33:53,266 INFO L274 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-26 22:33:53,266 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-26 22:33:53,266 INFO L274 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-26 22:33:53,266 INFO L274 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-26 22:33:53,266 INFO L274 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-26 22:33:53,266 INFO L274 CegarLoopResult]: For program point L511(lines 511 574) no Hoare annotation was computed. [2020-10-26 22:33:53,267 INFO L274 CegarLoopResult]: For program point L478(lines 478 574) no Hoare annotation was computed. [2020-10-26 22:33:53,267 INFO L274 CegarLoopResult]: For program point L380(lines 380 574) no Hoare annotation was computed. [2020-10-26 22:33:53,267 INFO L274 CegarLoopResult]: For program point L347(lines 347 574) no Hoare annotation was computed. [2020-10-26 22:33:53,267 INFO L274 CegarLoopResult]: For program point L314(lines 314 574) no Hoare annotation was computed. [2020-10-26 22:33:53,267 INFO L274 CegarLoopResult]: For program point L182-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:53,267 INFO L274 CegarLoopResult]: For program point L149-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:53,267 INFO L274 CegarLoopResult]: For program point L116-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:53,267 INFO L274 CegarLoopResult]: For program point L83-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:53,267 INFO L274 CegarLoopResult]: For program point L50-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:53,268 INFO L274 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-26 22:33:53,268 INFO L274 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-26 22:33:53,268 INFO L274 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-26 22:33:53,268 INFO L270 CegarLoopResult]: At program point L84(line 84) the Hoare annotation is: (and (not (= 6 |old(~a19~0)|)) (= 14 ~a4~0) (not (= 9 |old(~a19~0)|)) (= ~a12~0 0) (not (= 10 |old(~a19~0)|)) (not (<= 0 (+ |old(~a1~0)| 12))) (= 0 |old(~a10~0)|)) [2020-10-26 22:33:53,268 INFO L274 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-26 22:33:53,268 INFO L274 CegarLoopResult]: For program point L84-1(line 84) no Hoare annotation was computed. [2020-10-26 22:33:53,268 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:53,268 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:53,268 INFO L274 CegarLoopResult]: For program point L547(lines 547 574) no Hoare annotation was computed. [2020-10-26 22:33:53,269 INFO L274 CegarLoopResult]: For program point L217(lines 217 574) no Hoare annotation was computed. [2020-10-26 22:33:53,269 INFO L274 CegarLoopResult]: For program point L416(lines 416 574) no Hoare annotation was computed. [2020-10-26 22:33:53,269 INFO L274 CegarLoopResult]: For program point L251(lines 251 574) no Hoare annotation was computed. [2020-10-26 22:33:53,269 INFO L274 CegarLoopResult]: For program point L185-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:53,269 INFO L274 CegarLoopResult]: For program point L152-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:53,269 INFO L274 CegarLoopResult]: For program point L119-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:53,269 INFO L274 CegarLoopResult]: For program point L86-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:53,269 INFO L274 CegarLoopResult]: For program point L53-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:53,269 INFO L274 CegarLoopResult]: For program point L516(lines 516 574) no Hoare annotation was computed. [2020-10-26 22:33:53,269 INFO L274 CegarLoopResult]: For program point L483(lines 483 574) no Hoare annotation was computed. [2020-10-26 22:33:53,270 INFO L274 CegarLoopResult]: For program point L450(lines 450 574) no Hoare annotation was computed. [2020-10-26 22:33:53,270 INFO L274 CegarLoopResult]: For program point L285(lines 285 574) no Hoare annotation was computed. [2020-10-26 22:33:53,270 INFO L274 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-26 22:33:53,270 INFO L274 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-26 22:33:53,270 INFO L274 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-26 22:33:53,270 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-26 22:33:53,270 INFO L274 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-26 22:33:53,270 INFO L274 CegarLoopResult]: For program point L550(lines 550 574) no Hoare annotation was computed. [2020-10-26 22:33:53,270 INFO L274 CegarLoopResult]: For program point L385(lines 385 574) no Hoare annotation was computed. [2020-10-26 22:33:53,270 INFO L274 CegarLoopResult]: For program point L319(lines 319 574) no Hoare annotation was computed. [2020-10-26 22:33:53,270 INFO L274 CegarLoopResult]: For program point L353(lines 353 574) no Hoare annotation was computed. [2020-10-26 22:33:53,270 INFO L274 CegarLoopResult]: For program point L188-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:53,271 INFO L274 CegarLoopResult]: For program point L155-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:53,271 INFO L274 CegarLoopResult]: For program point L122-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:53,271 INFO L274 CegarLoopResult]: For program point L89-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:53,271 INFO L274 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-26 22:33:53,271 INFO L274 CegarLoopResult]: For program point L56-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:53,271 INFO L274 CegarLoopResult]: For program point L23-2(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:53,271 INFO L274 CegarLoopResult]: For program point L519(lines 519 574) no Hoare annotation was computed. [2020-10-26 22:33:53,271 INFO L274 CegarLoopResult]: For program point L288(lines 288 574) no Hoare annotation was computed. [2020-10-26 22:33:53,271 INFO L274 CegarLoopResult]: For program point L222(lines 222 574) no Hoare annotation was computed. [2020-10-26 22:33:53,271 INFO L274 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-26 22:33:53,271 INFO L274 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-26 22:33:53,272 INFO L274 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-26 22:33:53,272 INFO L274 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-26 22:33:53,272 INFO L274 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-26 22:33:53,272 INFO L274 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-26 22:33:53,272 INFO L274 CegarLoopResult]: For program point L421(lines 421 574) no Hoare annotation was computed. [2020-10-26 22:33:53,272 INFO L274 CegarLoopResult]: For program point L322(lines 322 574) no Hoare annotation was computed. [2020-10-26 22:33:53,272 INFO L274 CegarLoopResult]: For program point L256(lines 256 574) no Hoare annotation was computed. [2020-10-26 22:33:53,272 INFO L274 CegarLoopResult]: For program point L356(lines 356 574) no Hoare annotation was computed. [2020-10-26 22:33:53,272 INFO L274 CegarLoopResult]: For program point L191-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:53,272 INFO L274 CegarLoopResult]: For program point L158-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:53,272 INFO L274 CegarLoopResult]: For program point L125-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:53,272 INFO L274 CegarLoopResult]: For program point L92-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:53,273 INFO L274 CegarLoopResult]: For program point L59-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:53,273 INFO L274 CegarLoopResult]: For program point L26-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:53,273 INFO L274 CegarLoopResult]: For program point L489(lines 489 574) no Hoare annotation was computed. [2020-10-26 22:33:53,273 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 22 576) the Hoare annotation is: (let ((.cse0 (= ~a1~0 |old(~a1~0)|)) (.cse1 (= ~a10~0 |old(~a10~0)|))) (let ((.cse2 (and .cse0 (= ~a19~0 |old(~a19~0)|) .cse1))) (and (or (not (= 6 |old(~a19~0)|)) (and .cse0 (= ~a19~0 6) .cse1)) (or .cse2 (and (= 14 ~a4~0) (= ~a12~0 0) (not (<= 0 (+ |old(~a1~0)| 12))) (= 0 |old(~a10~0)|))) (or .cse2 (not (= 10 |old(~a19~0)|))) (or .cse2 (not (= 9 |old(~a19~0)|)))))) [2020-10-26 22:33:53,273 INFO L274 CegarLoopResult]: For program point L456(lines 456 574) no Hoare annotation was computed. [2020-10-26 22:33:53,273 INFO L274 CegarLoopResult]: For program point L390(lines 390 574) no Hoare annotation was computed. [2020-10-26 22:33:53,273 INFO L274 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-26 22:33:53,273 INFO L274 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-26 22:33:53,274 INFO L274 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-26 22:33:53,274 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-26 22:33:53,274 INFO L274 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-26 22:33:53,274 INFO L274 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-26 22:33:53,274 INFO L274 CegarLoopResult]: For program point L556(lines 556 574) no Hoare annotation was computed. [2020-10-26 22:33:53,274 INFO L274 CegarLoopResult]: For program point L325(lines 325 574) no Hoare annotation was computed. [2020-10-26 22:33:53,274 INFO L274 CegarLoopResult]: For program point L359(lines 359 574) no Hoare annotation was computed. [2020-10-26 22:33:53,274 INFO L274 CegarLoopResult]: For program point L293(lines 293 574) no Hoare annotation was computed. [2020-10-26 22:33:53,274 INFO L274 CegarLoopResult]: For program point L227(lines 227 574) no Hoare annotation was computed. [2020-10-26 22:33:53,274 INFO L274 CegarLoopResult]: For program point L194-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:53,275 INFO L274 CegarLoopResult]: For program point L161-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:53,275 INFO L274 CegarLoopResult]: For program point L128-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:53,275 INFO L274 CegarLoopResult]: For program point L95-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:53,275 INFO L274 CegarLoopResult]: For program point L62-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:53,275 INFO L274 CegarLoopResult]: For program point L29-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:53,275 INFO L274 CegarLoopResult]: For program point L525(lines 525 574) no Hoare annotation was computed. [2020-10-26 22:33:53,275 INFO L274 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-26 22:33:53,275 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-26 22:33:53,275 INFO L274 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-26 22:33:53,275 INFO L274 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-26 22:33:53,275 INFO L274 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-26 22:33:53,276 INFO L274 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-26 22:33:53,276 INFO L274 CegarLoopResult]: For program point L559(lines 559 574) no Hoare annotation was computed. [2020-10-26 22:33:53,276 INFO L274 CegarLoopResult]: For program point L427(lines 427 574) no Hoare annotation was computed. [2020-10-26 22:33:53,276 INFO L274 CegarLoopResult]: For program point L328(lines 328 574) no Hoare annotation was computed. [2020-10-26 22:33:53,276 INFO L274 CegarLoopResult]: For program point L262(lines 262 574) no Hoare annotation was computed. [2020-10-26 22:33:53,276 INFO L274 CegarLoopResult]: For program point L395(lines 395 574) no Hoare annotation was computed. [2020-10-26 22:33:53,276 INFO L274 CegarLoopResult]: For program point L362(lines 362 574) no Hoare annotation was computed. [2020-10-26 22:33:53,276 INFO L274 CegarLoopResult]: For program point L197-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:53,276 INFO L274 CegarLoopResult]: For program point L164-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:53,276 INFO L274 CegarLoopResult]: For program point L131-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:53,277 INFO L274 CegarLoopResult]: For program point L98-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:53,277 INFO L274 CegarLoopResult]: For program point L65-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:53,277 INFO L274 CegarLoopResult]: For program point L32-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:53,277 INFO L274 CegarLoopResult]: For program point L528(lines 528 574) no Hoare annotation was computed. [2020-10-26 22:33:53,277 INFO L274 CegarLoopResult]: For program point L495(lines 495 574) no Hoare annotation was computed. [2020-10-26 22:33:53,277 INFO L274 CegarLoopResult]: For program point L462(lines 462 574) no Hoare annotation was computed. [2020-10-26 22:33:53,277 INFO L274 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-26 22:33:53,277 INFO L274 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-26 22:33:53,277 INFO L274 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-26 22:33:53,277 INFO L274 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-26 22:33:53,277 INFO L274 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-26 22:33:53,278 INFO L274 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-26 22:33:53,278 INFO L274 CegarLoopResult]: For program point L331(lines 331 574) no Hoare annotation was computed. [2020-10-26 22:33:53,278 INFO L274 CegarLoopResult]: For program point L298(lines 298 574) no Hoare annotation was computed. [2020-10-26 22:33:53,278 INFO L274 CegarLoopResult]: For program point L233(lines 233 574) no Hoare annotation was computed. [2020-10-26 22:33:53,278 INFO L274 CegarLoopResult]: For program point L200-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:53,278 INFO L274 CegarLoopResult]: For program point L167-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:53,278 INFO L274 CegarLoopResult]: For program point L134-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:53,278 INFO L274 CegarLoopResult]: For program point L101-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:53,278 INFO L274 CegarLoopResult]: For program point L68-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:53,278 INFO L274 CegarLoopResult]: For program point L35-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:53,278 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-26 22:33:53,279 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a10~0 0) (= ~a19~0 9) (= 23 ~a1~0)) [2020-10-26 22:33:53,279 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-26 22:33:53,279 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-26 22:33:53,279 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 578 594) the Hoare annotation is: (or (not (= 9 |old(~a19~0)|)) (not (= 0 |old(~a10~0)|)) (not (= 23 |old(~a1~0)|)) (and (= 23 ~a1~0) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|))) [2020-10-26 22:33:53,279 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 578 594) no Hoare annotation was computed. [2020-10-26 22:33:53,279 INFO L270 CegarLoopResult]: At program point L592(line 592) the Hoare annotation is: (or (<= 0 (+ ~a1~0 12)) (not (= ~a10~0 0)) (not (= 9 |old(~a19~0)|)) (= ~a19~0 9) (not (= 14 ~a4~0)) (= ~a19~0 10) (not (= 0 |old(~a10~0)|)) (= ~a19~0 6) (not (= 23 |old(~a1~0)|)) (not (= ~a12~0 0))) [2020-10-26 22:33:53,279 INFO L274 CegarLoopResult]: For program point L592-1(line 592) no Hoare annotation was computed. [2020-10-26 22:33:53,280 INFO L274 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-10-26 22:33:53,280 INFO L270 CegarLoopResult]: At program point L584-2(lines 584 593) the Hoare annotation is: (or (<= 0 (+ ~a1~0 12)) (not (= ~a10~0 0)) (not (= 9 |old(~a19~0)|)) (= ~a19~0 9) (not (= 14 ~a4~0)) (= ~a19~0 10) (not (= 0 |old(~a10~0)|)) (= ~a19~0 6) (not (= 23 |old(~a1~0)|)) (not (= ~a12~0 0))) [2020-10-26 22:33:53,280 INFO L274 CegarLoopResult]: For program point L584-3(lines 578 594) no Hoare annotation was computed. [2020-10-26 22:33:53,301 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 10:33:53 BoogieIcfgContainer [2020-10-26 22:33:53,301 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-26 22:33:53,303 INFO L168 Benchmark]: Toolchain (without parser) took 66321.93 ms. Allocated memory was 151.0 MB in the beginning and 941.6 MB in the end (delta: 790.6 MB). Free memory was 124.7 MB in the beginning and 680.2 MB in the end (delta: -555.6 MB). Peak memory consumption was 562.4 MB. Max. memory is 8.0 GB. [2020-10-26 22:33:53,304 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 151.0 MB. Free memory was 123.2 MB in the beginning and 123.1 MB in the end (delta: 120.6 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-26 22:33:53,304 INFO L168 Benchmark]: CACSL2BoogieTranslator took 736.47 ms. Allocated memory is still 151.0 MB. Free memory was 124.1 MB in the beginning and 129.4 MB in the end (delta: -5.4 MB). Peak memory consumption was 30.0 MB. Max. memory is 8.0 GB. [2020-10-26 22:33:53,305 INFO L168 Benchmark]: Boogie Preprocessor took 149.18 ms. Allocated memory is still 151.0 MB. Free memory was 129.4 MB in the beginning and 124.7 MB in the end (delta: 4.8 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-10-26 22:33:53,306 INFO L168 Benchmark]: RCFGBuilder took 1636.56 ms. Allocated memory is still 151.0 MB. Free memory was 124.7 MB in the beginning and 103.8 MB in the end (delta: 20.9 MB). Peak memory consumption was 81.8 MB. Max. memory is 8.0 GB. [2020-10-26 22:33:53,306 INFO L168 Benchmark]: TraceAbstraction took 63783.22 ms. Allocated memory was 151.0 MB in the beginning and 941.6 MB in the end (delta: 790.6 MB). Free memory was 103.2 MB in the beginning and 680.2 MB in the end (delta: -577.0 MB). Peak memory consumption was 540.8 MB. Max. memory is 8.0 GB. [2020-10-26 22:33:53,309 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 151.0 MB. Free memory was 123.2 MB in the beginning and 123.1 MB in the end (delta: 120.6 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 736.47 ms. Allocated memory is still 151.0 MB. Free memory was 124.1 MB in the beginning and 129.4 MB in the end (delta: -5.4 MB). Peak memory consumption was 30.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 149.18 ms. Allocated memory is still 151.0 MB. Free memory was 129.4 MB in the beginning and 124.7 MB in the end (delta: 4.8 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1636.56 ms. Allocated memory is still 151.0 MB. Free memory was 124.7 MB in the beginning and 103.8 MB in the end (delta: 20.9 MB). Peak memory consumption was 81.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 63783.22 ms. Allocated memory was 151.0 MB in the beginning and 941.6 MB in the end (delta: 790.6 MB). Free memory was 103.2 MB in the beginning and 680.2 MB in the end (delta: -577.0 MB). Peak memory consumption was 540.8 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: 584]: Loop Invariant Derived loop invariant: ((((((((0 <= a1 + 12 || !(a10 == 0)) || !(9 == \old(a19))) || a19 == 9) || !(14 == a4)) || a19 == 10) || !(0 == \old(a10))) || a19 == 6) || !(23 == \old(a1))) || !(a12 == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 219 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 61.4s, OverallIterations: 13, TraceHistogramMax: 4, AutomataDifference: 29.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 377 SDtfs, 5703 SDslu, 480 SDs, 0 SdLazy, 12446 SolverSat, 1749 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 20.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 217 GetRequests, 108 SyntacticMatches, 2 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 3.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3114occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 13 MinimizatonAttempts, 954 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 279 PreInvPairs, 325 NumberOfFragments, 275 HoareAnnotationTreeSize, 279 FomulaSimplifications, 26373 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 9 FomulaSimplificationsInter, 4930 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 29.1s InterpolantComputationTime, 3058 NumberOfCodeBlocks, 3058 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 3045 ConstructedInterpolants, 0 QuantifiedInterpolants, 2150194 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 3 PerfectInterpolantSequences, 2223/2455 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...