/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/eca-rers2012/Problem11_label26.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 17:32:06,340 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 17:32:06,347 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 17:32:06,406 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 17:32:06,407 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 17:32:06,414 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 17:32:06,417 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 17:32:06,422 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 17:32:06,426 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 17:32:06,433 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 17:32:06,435 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 17:32:06,437 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 17:32:06,438 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 17:32:06,441 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 17:32:06,444 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 17:32:06,447 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 17:32:06,449 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 17:32:06,453 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 17:32:06,461 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 17:32:06,471 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 17:32:06,474 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 17:32:06,477 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 17:32:06,479 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 17:32:06,482 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 17:32:06,492 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 17:32:06,492 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 17:32:06,493 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 17:32:06,495 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 17:32:06,496 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 17:32:06,497 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 17:32:06,498 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 17:32:06,499 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 17:32:06,501 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 17:32:06,502 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 17:32:06,503 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 17:32:06,504 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 17:32:06,505 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 17:32:06,505 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 17:32:06,506 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 17:32:06,507 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 17:32:06,507 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 17:32:06,516 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 17:32:06,570 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 17:32:06,571 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 17:32:06,577 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 17:32:06,577 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 17:32:06,577 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 17:32:06,578 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 17:32:06,578 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 17:32:06,578 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 17:32:06,579 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 17:32:06,579 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 17:32:06,581 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 17:32:06,581 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 17:32:06,581 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 17:32:06,582 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 17:32:06,582 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 17:32:06,582 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 17:32:06,582 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 17:32:06,583 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 17:32:06,583 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 17:32:06,583 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 17:32:06,583 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 17:32:06,584 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 17:32:06,584 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 17:32:06,584 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 17:32:06,585 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 17:32:06,585 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 17:32:06,585 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 17:32:06,585 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 17:32:06,586 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 17:32:06,586 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 17:32:07,073 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 17:32:07,102 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 17:32:07,106 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 17:32:07,108 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 17:32:07,108 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 17:32:07,109 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label26.c [2020-10-27 17:32:07,198 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a4b08736f/dee5db9c5fe24abaaae7fcbbfcc094b9/FLAG13e72bb64 [2020-10-27 17:32:08,066 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 17:32:08,067 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem11_label26.c [2020-10-27 17:32:08,083 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a4b08736f/dee5db9c5fe24abaaae7fcbbfcc094b9/FLAG13e72bb64 [2020-10-27 17:32:08,250 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a4b08736f/dee5db9c5fe24abaaae7fcbbfcc094b9 [2020-10-27 17:32:08,255 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 17:32:08,262 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 17:32:08,266 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 17:32:08,266 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 17:32:08,270 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 17:32:08,272 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:32:08" (1/1) ... [2020-10-27 17:32:08,277 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53fb308 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:32:08, skipping insertion in model container [2020-10-27 17:32:08,277 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:32:08" (1/1) ... [2020-10-27 17:32:08,286 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 17:32:08,364 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 17:32:09,019 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 17:32:09,031 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 17:32:09,217 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 17:32:09,237 INFO L208 MainTranslator]: Completed translation [2020-10-27 17:32:09,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:32:09 WrapperNode [2020-10-27 17:32:09,238 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 17:32:09,239 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 17:32:09,239 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 17:32:09,239 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 17:32:09,253 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:32:09" (1/1) ... [2020-10-27 17:32:09,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:32:09" (1/1) ... [2020-10-27 17:32:09,304 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:32:09" (1/1) ... [2020-10-27 17:32:09,305 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:32:09" (1/1) ... [2020-10-27 17:32:09,391 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:32:09" (1/1) ... [2020-10-27 17:32:09,412 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:32:09" (1/1) ... [2020-10-27 17:32:09,426 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:32:09" (1/1) ... [2020-10-27 17:32:09,460 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 17:32:09,462 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 17:32:09,462 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 17:32:09,462 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 17:32:09,463 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:32:09" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 17:32:09,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 17:32:09,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 17:32:09,548 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 17:32:09,548 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-27 17:32:09,548 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 17:32:09,548 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-27 17:32:09,548 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 17:32:09,549 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 17:32:09,549 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 17:32:09,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 17:32:09,549 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 17:32:09,549 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 17:32:09,549 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 17:32:09,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 17:32:09,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 17:32:09,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 17:32:09,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 17:32:09,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 17:32:09,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 17:32:11,964 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 17:32:11,964 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-27 17:32:11,967 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:32:11 BoogieIcfgContainer [2020-10-27 17:32:11,967 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 17:32:11,969 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 17:32:11,969 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 17:32:11,973 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 17:32:11,974 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 05:32:08" (1/3) ... [2020-10-27 17:32:11,975 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39ee0a56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 05:32:11, skipping insertion in model container [2020-10-27 17:32:11,975 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:32:09" (2/3) ... [2020-10-27 17:32:11,975 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39ee0a56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 05:32:11, skipping insertion in model container [2020-10-27 17:32:11,975 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:32:11" (3/3) ... [2020-10-27 17:32:11,977 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label26.c [2020-10-27 17:32:11,990 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 17:32:11,997 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 17:32:12,012 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 17:32:12,045 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 17:32:12,045 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 17:32:12,045 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 17:32:12,045 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 17:32:12,046 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 17:32:12,046 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 17:32:12,046 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 17:32:12,046 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 17:32:12,073 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states. [2020-10-27 17:32:12,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-10-27 17:32:12,081 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:32:12,082 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:32:12,082 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:32:12,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:32:12,089 INFO L82 PathProgramCache]: Analyzing trace with hash 695092568, now seen corresponding path program 1 times [2020-10-27 17:32:12,099 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:32:12,100 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [469176114] [2020-10-27 17:32:12,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:32:12,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:32:12,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:12,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:32:12,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-10-27 17:32:12,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:32:12,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 640 [2020-10-27 17:32:12,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:32:12,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 17:32:12,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 17:32:12,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-27 17:32:12,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 17:32:13,195 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-10-27 17:32:13,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:32:13,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:32:13,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:13,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:32:13,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:32:13,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:32:13,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-27 17:32:13,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:32:13,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:32:13,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:32:13,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 17:32:13,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 17:32:13,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:32:13,290 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [469176114] [2020-10-27 17:32:13,294 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 17:32:13,295 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-27 17:32:13,296 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211838443] [2020-10-27 17:32:13,301 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-27 17:32:13,302 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:32:13,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-27 17:32:13,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-27 17:32:13,327 INFO L87 Difference]: Start difference. First operand 296 states. Second operand 4 states. [2020-10-27 17:32:13,506 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-10-27 17:32:16,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:32:16,892 INFO L93 Difference]: Finished difference Result 793 states and 1388 transitions. [2020-10-27 17:32:16,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:32:16,894 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 46 [2020-10-27 17:32:16,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:32:16,920 INFO L225 Difference]: With dead ends: 793 [2020-10-27 17:32:16,920 INFO L226 Difference]: Without dead ends: 432 [2020-10-27 17:32:16,931 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:32:16,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2020-10-27 17:32:17,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 426. [2020-10-27 17:32:17,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 426 states. [2020-10-27 17:32:17,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 613 transitions. [2020-10-27 17:32:17,059 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 613 transitions. Word has length 46 [2020-10-27 17:32:17,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:32:17,060 INFO L481 AbstractCegarLoop]: Abstraction has 426 states and 613 transitions. [2020-10-27 17:32:17,060 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-27 17:32:17,061 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 613 transitions. [2020-10-27 17:32:17,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-10-27 17:32:17,069 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:32:17,070 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:32:17,070 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 17:32:17,070 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:32:17,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:32:17,071 INFO L82 PathProgramCache]: Analyzing trace with hash -460655852, now seen corresponding path program 1 times [2020-10-27 17:32:17,072 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:32:17,072 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1486383495] [2020-10-27 17:32:17,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:32:17,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:32:17,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:17,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:18,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:19,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:32:19,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-27 17:32:19,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 17:32:19,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2050 [2020-10-27 17:32:19,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:32:19,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:32:19,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-27 17:32:19,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-27 17:32:19,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 17:32:19,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:32:19,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:32:19,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:19,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:32:19,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:32:19,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:32:19,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 17:32:19,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:32:19,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:32:19,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:32:19,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:32:19,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 17:32:19,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:32:19,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:32:19,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:19,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:32:19,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-27 17:32:19,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:32:19,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-10-27 17:32:19,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:32:19,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:32:19,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:32:19,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-27 17:32:19,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:32:19,592 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 37 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:32:19,592 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1486383495] [2020-10-27 17:32:19,592 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:32:19,593 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:32:19,593 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905820402] [2020-10-27 17:32:19,595 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:32:19,597 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:32:19,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:32:19,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:32:19,599 INFO L87 Difference]: Start difference. First operand 426 states and 613 transitions. Second operand 5 states. [2020-10-27 17:32:22,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:32:22,645 INFO L93 Difference]: Finished difference Result 1250 states and 1818 transitions. [2020-10-27 17:32:22,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:32:22,646 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 118 [2020-10-27 17:32:22,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:32:22,652 INFO L225 Difference]: With dead ends: 1250 [2020-10-27 17:32:22,653 INFO L226 Difference]: Without dead ends: 830 [2020-10-27 17:32:22,655 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 [2020-10-27 17:32:22,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 830 states. [2020-10-27 17:32:22,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 830 to 816. [2020-10-27 17:32:22,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 816 states. [2020-10-27 17:32:22,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 816 states and 1090 transitions. [2020-10-27 17:32:22,707 INFO L78 Accepts]: Start accepts. Automaton has 816 states and 1090 transitions. Word has length 118 [2020-10-27 17:32:22,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:32:22,708 INFO L481 AbstractCegarLoop]: Abstraction has 816 states and 1090 transitions. [2020-10-27 17:32:22,708 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:32:22,708 INFO L276 IsEmpty]: Start isEmpty. Operand 816 states and 1090 transitions. [2020-10-27 17:32:22,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-10-27 17:32:22,712 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:32:22,712 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:32:22,712 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 17:32:22,712 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:32:22,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:32:22,713 INFO L82 PathProgramCache]: Analyzing trace with hash -908868464, now seen corresponding path program 1 times [2020-10-27 17:32:22,713 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:32:22,714 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [317080365] [2020-10-27 17:32:22,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:32:22,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:32:22,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:22,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:22,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:25,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:32:25,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-27 17:32:25,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 17:32:25,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2288 [2020-10-27 17:32:25,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:32:25,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:32:25,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-27 17:32:25,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 17:32:25,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:32:25,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:32:25,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:32:25,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:25,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:32:25,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:32:25,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:32:25,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 17:32:25,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:32:25,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:32:25,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:32:25,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:32:25,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:32:25,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:32:25,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:32:25,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:25,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:32:25,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-27 17:32:25,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:32:25,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 104 [2020-10-27 17:32:25,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:32:25,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:32:25,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:32:25,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-27 17:32:25,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:32:25,528 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 37 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:32:25,529 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [317080365] [2020-10-27 17:32:25,530 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:32:25,530 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:32:25,530 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157266264] [2020-10-27 17:32:25,532 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:32:25,533 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:32:25,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:32:25,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:32:25,535 INFO L87 Difference]: Start difference. First operand 816 states and 1090 transitions. Second operand 5 states. [2020-10-27 17:32:26,040 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-27 17:32:27,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:32:27,749 INFO L93 Difference]: Finished difference Result 1255 states and 1734 transitions. [2020-10-27 17:32:27,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:32:27,753 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 120 [2020-10-27 17:32:27,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:32:27,759 INFO L225 Difference]: With dead ends: 1255 [2020-10-27 17:32:27,759 INFO L226 Difference]: Without dead ends: 824 [2020-10-27 17:32:27,762 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 17:32:27,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 824 states. [2020-10-27 17:32:27,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 824 to 816. [2020-10-27 17:32:27,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 816 states. [2020-10-27 17:32:27,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 816 states and 1086 transitions. [2020-10-27 17:32:27,802 INFO L78 Accepts]: Start accepts. Automaton has 816 states and 1086 transitions. Word has length 120 [2020-10-27 17:32:27,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:32:27,802 INFO L481 AbstractCegarLoop]: Abstraction has 816 states and 1086 transitions. [2020-10-27 17:32:27,802 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:32:27,803 INFO L276 IsEmpty]: Start isEmpty. Operand 816 states and 1086 transitions. [2020-10-27 17:32:27,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-10-27 17:32:27,805 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:32:27,806 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:32:27,806 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 17:32:27,806 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:32:27,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:32:27,807 INFO L82 PathProgramCache]: Analyzing trace with hash -308291324, now seen corresponding path program 1 times [2020-10-27 17:32:27,807 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:32:27,807 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [578777124] [2020-10-27 17:32:27,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:32:27,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:32:27,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:27,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:28,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:29,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:29,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:32:29,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-27 17:32:29,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 17:32:29,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1635 [2020-10-27 17:32:29,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:32:29,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:32:29,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 90 [2020-10-27 17:32:29,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-27 17:32:29,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:32:29,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:32:29,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:32:29,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:29,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:32:29,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:32:29,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:32:29,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 17:32:29,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:32:29,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:32:29,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:32:29,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:32:29,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:32:29,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:32:29,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:32:29,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:29,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:32:29,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-27 17:32:29,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:32:29,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-10-27 17:32:29,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:32:29,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:32:29,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:32:29,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-27 17:32:29,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:32:29,895 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 37 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:32:29,896 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [578777124] [2020-10-27 17:32:29,896 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:32:29,897 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:32:29,897 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194518985] [2020-10-27 17:32:29,898 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:32:29,899 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:32:29,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:32:29,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:32:29,911 INFO L87 Difference]: Start difference. First operand 816 states and 1086 transitions. Second operand 5 states. [2020-10-27 17:32:30,498 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-27 17:32:34,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:32:34,390 INFO L93 Difference]: Finished difference Result 1263 states and 1736 transitions. [2020-10-27 17:32:34,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:32:34,391 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 126 [2020-10-27 17:32:34,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:32:34,396 INFO L225 Difference]: With dead ends: 1263 [2020-10-27 17:32:34,396 INFO L226 Difference]: Without dead ends: 824 [2020-10-27 17:32:34,398 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 17:32:34,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 824 states. [2020-10-27 17:32:34,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 824 to 816. [2020-10-27 17:32:34,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 816 states. [2020-10-27 17:32:34,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 816 states and 1080 transitions. [2020-10-27 17:32:34,428 INFO L78 Accepts]: Start accepts. Automaton has 816 states and 1080 transitions. Word has length 126 [2020-10-27 17:32:34,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:32:34,428 INFO L481 AbstractCegarLoop]: Abstraction has 816 states and 1080 transitions. [2020-10-27 17:32:34,428 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:32:34,429 INFO L276 IsEmpty]: Start isEmpty. Operand 816 states and 1080 transitions. [2020-10-27 17:32:34,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-10-27 17:32:34,431 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:32:34,431 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:32:34,431 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 17:32:34,431 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:32:34,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:32:34,432 INFO L82 PathProgramCache]: Analyzing trace with hash 63171580, now seen corresponding path program 1 times [2020-10-27 17:32:34,432 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:32:34,433 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1595836989] [2020-10-27 17:32:34,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:32:34,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:32:34,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:34,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:35,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:35,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:32:35,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-27 17:32:35,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 17:32:35,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1452 [2020-10-27 17:32:35,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:32:35,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:32:35,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 94 [2020-10-27 17:32:35,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-27 17:32:35,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:32:36,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:32:36,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:32:36,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:36,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:32:36,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:32:36,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:32:36,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 17:32:36,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:32:36,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:32:36,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:32:36,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:32:36,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:32:36,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:32:36,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:32:36,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:36,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:32:36,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-27 17:32:36,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:32:36,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 130 [2020-10-27 17:32:36,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:32:36,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:32:36,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:32:36,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-27 17:32:36,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:32:36,346 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 37 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:32:36,346 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1595836989] [2020-10-27 17:32:36,347 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:32:36,347 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:32:36,347 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586247147] [2020-10-27 17:32:36,348 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:32:36,348 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:32:36,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:32:36,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:32:36,349 INFO L87 Difference]: Start difference. First operand 816 states and 1080 transitions. Second operand 5 states. [2020-10-27 17:32:36,999 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-27 17:32:39,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:32:39,083 INFO L93 Difference]: Finished difference Result 1261 states and 1722 transitions. [2020-10-27 17:32:39,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:32:39,084 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 130 [2020-10-27 17:32:39,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:32:39,090 INFO L225 Difference]: With dead ends: 1261 [2020-10-27 17:32:39,090 INFO L226 Difference]: Without dead ends: 824 [2020-10-27 17:32:39,092 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 17:32:39,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 824 states. [2020-10-27 17:32:39,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 824 to 816. [2020-10-27 17:32:39,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 816 states. [2020-10-27 17:32:39,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 816 states and 1078 transitions. [2020-10-27 17:32:39,142 INFO L78 Accepts]: Start accepts. Automaton has 816 states and 1078 transitions. Word has length 130 [2020-10-27 17:32:39,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:32:39,143 INFO L481 AbstractCegarLoop]: Abstraction has 816 states and 1078 transitions. [2020-10-27 17:32:39,143 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:32:39,143 INFO L276 IsEmpty]: Start isEmpty. Operand 816 states and 1078 transitions. [2020-10-27 17:32:39,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-10-27 17:32:39,144 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:32:39,145 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:32:39,145 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 17:32:39,145 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:32:39,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:32:39,146 INFO L82 PathProgramCache]: Analyzing trace with hash -1993712264, now seen corresponding path program 1 times [2020-10-27 17:32:39,146 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:32:39,146 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [411232588] [2020-10-27 17:32:39,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:32:39,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:32:39,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:39,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:39,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:32:39,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-27 17:32:39,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 17:32:39,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 806 [2020-10-27 17:32:39,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:32:39,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:32:39,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-10-27 17:32:39,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-27 17:32:39,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:32:40,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:32:40,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:32:40,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:40,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:32:40,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:32:40,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:32:40,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 17:32:40,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:32:40,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:32:40,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:32:40,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:32:40,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:32:40,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:32:40,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:32:40,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:40,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:32:40,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-27 17:32:40,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:32:40,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-10-27 17:32:40,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:32:40,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:32:40,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:32:40,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-27 17:32:40,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:32:40,402 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 37 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:32:40,403 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [411232588] [2020-10-27 17:32:40,403 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:32:40,403 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-27 17:32:40,403 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477083059] [2020-10-27 17:32:40,404 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 17:32:40,404 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:32:40,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 17:32:40,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-27 17:32:40,405 INFO L87 Difference]: Start difference. First operand 816 states and 1078 transitions. Second operand 6 states. [2020-10-27 17:32:45,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:32:45,277 INFO L93 Difference]: Finished difference Result 2415 states and 3331 transitions. [2020-10-27 17:32:45,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 17:32:45,280 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 132 [2020-10-27 17:32:45,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:32:45,293 INFO L225 Difference]: With dead ends: 2415 [2020-10-27 17:32:45,293 INFO L226 Difference]: Without dead ends: 1605 [2020-10-27 17:32:45,297 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-27 17:32:45,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1605 states. [2020-10-27 17:32:45,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1605 to 1391. [2020-10-27 17:32:45,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1391 states. [2020-10-27 17:32:45,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1391 states to 1391 states and 1901 transitions. [2020-10-27 17:32:45,359 INFO L78 Accepts]: Start accepts. Automaton has 1391 states and 1901 transitions. Word has length 132 [2020-10-27 17:32:45,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:32:45,361 INFO L481 AbstractCegarLoop]: Abstraction has 1391 states and 1901 transitions. [2020-10-27 17:32:45,362 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 17:32:45,362 INFO L276 IsEmpty]: Start isEmpty. Operand 1391 states and 1901 transitions. [2020-10-27 17:32:45,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-10-27 17:32:45,377 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:32:45,378 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:32:45,378 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 17:32:45,378 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:32:45,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:32:45,379 INFO L82 PathProgramCache]: Analyzing trace with hash -1444504667, now seen corresponding path program 1 times [2020-10-27 17:32:45,379 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:32:45,379 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [690629710] [2020-10-27 17:32:45,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:32:45,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:32:45,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:45,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:46,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:48,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:32:48,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 201 [2020-10-27 17:32:48,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 17:32:48,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2608 [2020-10-27 17:32:48,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:32:48,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:32:48,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 153 [2020-10-27 17:32:48,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-27 17:32:48,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:32:48,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:32:48,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:32:48,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:48,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:32:48,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:32:48,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:32:48,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 17:32:48,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:32:48,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:32:48,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:32:48,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:32:48,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 17:32:48,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:32:48,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:32:48,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:48,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:32:48,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-27 17:32:48,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:32:48,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 148 [2020-10-27 17:32:48,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:32:48,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:32:48,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:32:48,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 138 [2020-10-27 17:32:48,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:32:48,538 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 37 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:32:48,538 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [690629710] [2020-10-27 17:32:48,538 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:32:48,538 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:32:48,539 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254816590] [2020-10-27 17:32:48,539 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:32:48,540 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:32:48,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:32:48,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:32:48,544 INFO L87 Difference]: Start difference. First operand 1391 states and 1901 transitions. Second operand 5 states. [2020-10-27 17:32:51,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:32:51,619 INFO L93 Difference]: Finished difference Result 2968 states and 4301 transitions. [2020-10-27 17:32:51,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:32:51,624 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 189 [2020-10-27 17:32:51,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:32:51,639 INFO L225 Difference]: With dead ends: 2968 [2020-10-27 17:32:51,639 INFO L226 Difference]: Without dead ends: 2161 [2020-10-27 17:32:51,644 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 [2020-10-27 17:32:51,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2161 states. [2020-10-27 17:32:51,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2161 to 1967. [2020-10-27 17:32:51,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1967 states. [2020-10-27 17:32:51,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1967 states to 1967 states and 2618 transitions. [2020-10-27 17:32:51,740 INFO L78 Accepts]: Start accepts. Automaton has 1967 states and 2618 transitions. Word has length 189 [2020-10-27 17:32:51,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:32:51,741 INFO L481 AbstractCegarLoop]: Abstraction has 1967 states and 2618 transitions. [2020-10-27 17:32:51,741 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:32:51,741 INFO L276 IsEmpty]: Start isEmpty. Operand 1967 states and 2618 transitions. [2020-10-27 17:32:51,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2020-10-27 17:32:51,750 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:32:51,750 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:32:51,750 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 17:32:51,751 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:32:51,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:32:51,751 INFO L82 PathProgramCache]: Analyzing trace with hash -351687540, now seen corresponding path program 1 times [2020-10-27 17:32:51,752 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:32:51,752 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1969420146] [2020-10-27 17:32:51,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:32:51,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:32:51,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:51,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:52,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:55,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:56,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:32:56,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 223 [2020-10-27 17:32:56,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 17:32:56,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-27 17:32:56,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:32:56,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 17:32:56,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-10-27 17:32:56,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-10-27 17:32:56,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:32:57,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:32:57,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:32:57,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:57,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:32:57,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:32:57,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:32:57,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 17:32:57,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:32:57,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:32:57,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:32:57,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:32:57,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:32:57,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:32:57,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:32:57,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:57,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:32:57,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-27 17:32:57,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:32:57,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-10-27 17:32:57,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:32:57,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:32:57,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:32:57,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-27 17:32:57,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:32:57,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-27 17:32:57,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:32:57,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:57,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:57,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:57,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:32:57,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-27 17:32:57,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 17:32:57,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 595 [2020-10-27 17:32:57,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:32:57,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 17:32:57,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 17:32:57,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-27 17:32:57,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:32:58,208 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 106 proven. 42 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-27 17:32:58,209 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1969420146] [2020-10-27 17:32:58,209 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:32:58,209 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-27 17:32:58,210 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606510435] [2020-10-27 17:32:58,210 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 17:32:58,211 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:32:58,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 17:32:58,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-27 17:32:58,212 INFO L87 Difference]: Start difference. First operand 1967 states and 2618 transitions. Second operand 8 states. [2020-10-27 17:32:59,003 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-27 17:32:59,744 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-10-27 17:33:04,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:33:04,591 INFO L93 Difference]: Finished difference Result 6182 states and 8593 transitions. [2020-10-27 17:33:04,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-27 17:33:04,592 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 209 [2020-10-27 17:33:04,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:33:04,618 INFO L225 Difference]: With dead ends: 6182 [2020-10-27 17:33:04,618 INFO L226 Difference]: Without dead ends: 3974 [2020-10-27 17:33:04,627 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-10-27 17:33:04,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3974 states. [2020-10-27 17:33:04,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3974 to 3889. [2020-10-27 17:33:04,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3889 states. [2020-10-27 17:33:04,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3889 states to 3889 states and 5167 transitions. [2020-10-27 17:33:04,757 INFO L78 Accepts]: Start accepts. Automaton has 3889 states and 5167 transitions. Word has length 209 [2020-10-27 17:33:04,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:33:04,758 INFO L481 AbstractCegarLoop]: Abstraction has 3889 states and 5167 transitions. [2020-10-27 17:33:04,758 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 17:33:04,758 INFO L276 IsEmpty]: Start isEmpty. Operand 3889 states and 5167 transitions. [2020-10-27 17:33:04,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-10-27 17:33:04,766 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:33:04,767 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:33:04,767 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 17:33:04,767 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:33:04,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:33:04,768 INFO L82 PathProgramCache]: Analyzing trace with hash -118072704, now seen corresponding path program 1 times [2020-10-27 17:33:04,768 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:33:04,768 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1251709125] [2020-10-27 17:33:04,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:33:04,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:33:04,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:33:04,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:33:06,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:33:06,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 244 [2020-10-27 17:33:06,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 17:33:06,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2029 [2020-10-27 17:33:06,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:33:06,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:33:06,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 104 [2020-10-27 17:33:06,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-27 17:33:06,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:33:06,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:33:06,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:33:06,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:33:06,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:33:06,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:33:06,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:33:06,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 17:33:06,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:33:06,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:33:06,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:33:06,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:33:06,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:33:07,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:33:07,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:33:07,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:33:07,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:33:07,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-27 17:33:07,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:33:07,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-10-27 17:33:07,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:33:07,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:33:07,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:33:07,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-27 17:33:07,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:33:07,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-27 17:33:07,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:33:07,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:33:07,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:33:07,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-27 17:33:07,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:33:07,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 143 [2020-10-27 17:33:07,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:33:07,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:33:07,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 17:33:07,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-27 17:33:07,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:33:07,428 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 163 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-27 17:33:07,431 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1251709125] [2020-10-27 17:33:07,432 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:33:07,432 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-27 17:33:07,433 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248647798] [2020-10-27 17:33:07,433 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 17:33:07,433 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:33:07,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 17:33:07,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-27 17:33:07,434 INFO L87 Difference]: Start difference. First operand 3889 states and 5167 transitions. Second operand 7 states. [2020-10-27 17:33:11,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:33:11,169 INFO L93 Difference]: Finished difference Result 9190 states and 12985 transitions. [2020-10-27 17:33:11,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 17:33:11,175 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 230 [2020-10-27 17:33:11,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:33:11,207 INFO L225 Difference]: With dead ends: 9190 [2020-10-27 17:33:11,207 INFO L226 Difference]: Without dead ends: 5307 [2020-10-27 17:33:11,221 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-27 17:33:11,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5307 states. [2020-10-27 17:33:11,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5307 to 5054. [2020-10-27 17:33:11,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5054 states. [2020-10-27 17:33:11,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5054 states to 5054 states and 6656 transitions. [2020-10-27 17:33:11,402 INFO L78 Accepts]: Start accepts. Automaton has 5054 states and 6656 transitions. Word has length 230 [2020-10-27 17:33:11,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:33:11,402 INFO L481 AbstractCegarLoop]: Abstraction has 5054 states and 6656 transitions. [2020-10-27 17:33:11,403 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 17:33:11,403 INFO L276 IsEmpty]: Start isEmpty. Operand 5054 states and 6656 transitions. [2020-10-27 17:33:11,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-10-27 17:33:11,411 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:33:11,411 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-27 17:33:11,412 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-27 17:33:11,412 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:33:11,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:33:11,412 INFO L82 PathProgramCache]: Analyzing trace with hash -920546215, now seen corresponding path program 1 times [2020-10-27 17:33:11,413 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:33:11,413 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [203793295] [2020-10-27 17:33:11,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:33:11,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:33:11,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:33:11,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:33:11,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:33:11,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:33:12,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:33:13,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:33:14,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:33:14,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 260 [2020-10-27 17:33:14,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 17:33:14,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2818 [2020-10-27 17:33:14,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:33:14,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:33:14,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 211 [2020-10-27 17:33:14,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-27 17:33:14,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:33:14,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:33:14,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:33:14,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:33:14,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:33:14,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:33:14,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:33:14,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 17:33:14,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:33:14,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:33:14,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:33:14,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:33:14,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:33:14,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:33:14,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:33:14,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:33:14,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:33:14,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-27 17:33:14,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:33:14,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-27 17:33:14,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:33:14,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:33:14,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:33:14,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:33:14,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:33:14,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-27 17:33:14,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:33:14,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:33:14,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:33:14,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:33:14,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 115 [2020-10-27 17:33:14,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 17:33:14,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 166 [2020-10-27 17:33:14,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:33:14,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:33:14,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 107 [2020-10-27 17:33:14,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 17:33:14,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:33:14,891 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 77 proven. 2 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2020-10-27 17:33:14,892 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [203793295] [2020-10-27 17:33:14,892 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:33:14,892 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-27 17:33:14,892 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74389896] [2020-10-27 17:33:14,893 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 17:33:14,893 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:33:14,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 17:33:14,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-27 17:33:14,894 INFO L87 Difference]: Start difference. First operand 5054 states and 6656 transitions. Second operand 6 states. [2020-10-27 17:33:17,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:33:17,283 INFO L93 Difference]: Finished difference Result 8952 states and 11942 transitions. [2020-10-27 17:33:17,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:33:17,284 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 246 [2020-10-27 17:33:17,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:33:17,310 INFO L225 Difference]: With dead ends: 8952 [2020-10-27 17:33:17,310 INFO L226 Difference]: Without dead ends: 5054 [2020-10-27 17:33:17,322 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-27 17:33:17,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5054 states. [2020-10-27 17:33:17,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5054 to 5048. [2020-10-27 17:33:17,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5048 states. [2020-10-27 17:33:17,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5048 states to 5048 states and 6642 transitions. [2020-10-27 17:33:17,474 INFO L78 Accepts]: Start accepts. Automaton has 5048 states and 6642 transitions. Word has length 246 [2020-10-27 17:33:17,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:33:17,475 INFO L481 AbstractCegarLoop]: Abstraction has 5048 states and 6642 transitions. [2020-10-27 17:33:17,475 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 17:33:17,475 INFO L276 IsEmpty]: Start isEmpty. Operand 5048 states and 6642 transitions. [2020-10-27 17:33:17,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2020-10-27 17:33:17,490 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:33:17,490 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:33:17,490 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-27 17:33:17,491 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:33:17,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:33:17,491 INFO L82 PathProgramCache]: Analyzing trace with hash -507482423, now seen corresponding path program 1 times [2020-10-27 17:33:17,492 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:33:17,492 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1359724749] [2020-10-27 17:33:17,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:33:17,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:33:17,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:33:17,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:33:18,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:33:21,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:33:22,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:33:22,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 321 [2020-10-27 17:33:22,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 17:33:22,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 17:33:22,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:33:22,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:33:22,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 273 [2020-10-27 17:33:22,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-27 17:33:22,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:33:22,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:33:22,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:33:22,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:33:22,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:33:22,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:33:22,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:33:22,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 17:33:22,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:33:22,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:33:22,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:33:22,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:33:22,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:33:22,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:33:22,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:33:22,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:33:22,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:33:22,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-27 17:33:22,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:33:22,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-27 17:33:22,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:33:22,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:33:22,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:33:22,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:33:22,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:33:22,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-27 17:33:22,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:33:22,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:33:22,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:33:22,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-10-27 17:33:22,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:33:22,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 162 [2020-10-27 17:33:22,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:33:22,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:33:22,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:33:22,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 170 [2020-10-27 17:33:22,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 17:33:23,256 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 77 proven. 2 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2020-10-27 17:33:23,256 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1359724749] [2020-10-27 17:33:23,256 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:33:23,257 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:33:23,257 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782137297] [2020-10-27 17:33:23,257 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:33:23,258 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:33:23,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:33:23,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:33:23,258 INFO L87 Difference]: Start difference. First operand 5048 states and 6642 transitions. Second operand 5 states. [2020-10-27 17:33:26,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:33:26,232 INFO L93 Difference]: Finished difference Result 8946 states and 11901 transitions. [2020-10-27 17:33:26,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:33:26,233 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 307 [2020-10-27 17:33:26,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:33:26,269 INFO L225 Difference]: With dead ends: 8946 [2020-10-27 17:33:26,269 INFO L226 Difference]: Without dead ends: 5054 [2020-10-27 17:33:26,281 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 17:33:26,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5054 states. [2020-10-27 17:33:26,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5054 to 5048. [2020-10-27 17:33:26,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5048 states. [2020-10-27 17:33:26,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5048 states to 5048 states and 6360 transitions. [2020-10-27 17:33:26,431 INFO L78 Accepts]: Start accepts. Automaton has 5048 states and 6360 transitions. Word has length 307 [2020-10-27 17:33:26,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:33:26,432 INFO L481 AbstractCegarLoop]: Abstraction has 5048 states and 6360 transitions. [2020-10-27 17:33:26,432 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:33:26,432 INFO L276 IsEmpty]: Start isEmpty. Operand 5048 states and 6360 transitions. [2020-10-27 17:33:26,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2020-10-27 17:33:26,452 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:33:26,453 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:33:26,453 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-27 17:33:26,453 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:33:26,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:33:26,454 INFO L82 PathProgramCache]: Analyzing trace with hash -76351847, now seen corresponding path program 1 times [2020-10-27 17:33:26,454 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:33:26,454 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1616153299] [2020-10-27 17:33:26,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:33:26,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:33:26,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:33:26,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:33:26,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:33:29,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:33:30,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:33:31,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:33:31,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 390 [2020-10-27 17:33:31,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 17:33:31,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-27 17:33:31,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:33:31,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 17:33:31,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-10-27 17:33:31,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 290 [2020-10-27 17:33:31,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:33:31,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:33:31,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:33:31,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:33:31,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:33:31,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:33:31,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:33:31,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 17:33:31,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:33:31,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:33:31,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:33:31,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:33:31,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:33:31,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:33:31,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:33:31,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:33:31,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:33:31,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-27 17:33:31,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:33:31,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-27 17:33:31,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:33:31,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:33:31,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:33:31,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-27 17:33:31,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:33:31,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-27 17:33:31,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:33:31,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:33:32,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:33:32,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:33:32,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-27 17:33:32,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 17:33:32,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 304 [2020-10-27 17:33:32,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:33:32,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 17:33:32,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 17:33:32,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 153 [2020-10-27 17:33:32,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:33:32,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2020-10-27 17:33:32,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:33:32,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:33:32,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:33:32,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:33:32,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-27 17:33:32,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 17:33:32,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 216 [2020-10-27 17:33:32,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:33:32,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:33:32,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 17:33:32,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-27 17:33:32,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:33:32,697 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 209 proven. 160 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-27 17:33:32,698 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1616153299] [2020-10-27 17:33:32,698 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:33:32,698 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-27 17:33:32,698 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39574820] [2020-10-27 17:33:32,699 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 17:33:32,699 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:33:32,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 17:33:32,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-27 17:33:32,700 INFO L87 Difference]: Start difference. First operand 5048 states and 6360 transitions. Second operand 9 states. [2020-10-27 17:33:37,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:33:37,393 INFO L93 Difference]: Finished difference Result 10688 states and 14643 transitions. [2020-10-27 17:33:37,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 17:33:37,399 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 374 [2020-10-27 17:33:37,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:33:37,435 INFO L225 Difference]: With dead ends: 10688 [2020-10-27 17:33:37,436 INFO L226 Difference]: Without dead ends: 6796 [2020-10-27 17:33:37,449 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-10-27 17:33:37,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6796 states. [2020-10-27 17:33:37,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6796 to 6244. [2020-10-27 17:33:37,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6244 states. [2020-10-27 17:33:37,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6244 states to 6244 states and 7835 transitions. [2020-10-27 17:33:37,673 INFO L78 Accepts]: Start accepts. Automaton has 6244 states and 7835 transitions. Word has length 374 [2020-10-27 17:33:37,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:33:37,674 INFO L481 AbstractCegarLoop]: Abstraction has 6244 states and 7835 transitions. [2020-10-27 17:33:37,674 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 17:33:37,674 INFO L276 IsEmpty]: Start isEmpty. Operand 6244 states and 7835 transitions. [2020-10-27 17:33:37,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2020-10-27 17:33:37,697 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:33:37,698 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:33:37,698 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-27 17:33:37,698 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:33:37,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:33:37,702 INFO L82 PathProgramCache]: Analyzing trace with hash -1014048669, now seen corresponding path program 1 times [2020-10-27 17:33:37,702 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:33:37,702 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [71720368] [2020-10-27 17:33:37,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:33:37,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:33:37,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:33:37,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:33:39,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:33:42,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:33:42,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 421 [2020-10-27 17:33:42,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 17:33:42,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-27 17:33:42,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:33:42,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:33:42,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 373 [2020-10-27 17:33:42,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-27 17:33:42,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:33:42,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:33:42,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:33:42,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:33:42,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:33:42,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:33:42,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:33:42,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 17:33:42,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:33:42,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:33:42,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:33:42,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:33:42,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:33:42,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:33:42,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:33:42,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:33:42,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:33:42,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-27 17:33:42,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:33:42,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 17:33:42,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:33:42,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:33:42,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:33:42,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:33:42,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:33:42,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-27 17:33:42,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:33:42,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:33:43,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:33:43,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-27 17:33:43,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:33:43,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-27 17:33:43,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:33:43,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:33:43,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:33:43,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:33:43,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:33:43,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2020-10-27 17:33:43,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:33:43,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:33:43,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:33:43,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-27 17:33:43,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:33:43,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 206 [2020-10-27 17:33:43,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:33:43,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:33:43,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:33:43,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 132 [2020-10-27 17:33:43,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:33:43,435 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 117 proven. 3 refuted. 0 times theorem prover too weak. 302 trivial. 0 not checked. [2020-10-27 17:33:43,435 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [71720368] [2020-10-27 17:33:43,436 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:33:43,436 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:33:43,436 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917860314] [2020-10-27 17:33:43,437 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:33:43,437 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:33:43,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:33:43,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:33:43,438 INFO L87 Difference]: Start difference. First operand 6244 states and 7835 transitions. Second operand 5 states. [2020-10-27 17:33:46,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:33:46,050 INFO L93 Difference]: Finished difference Result 7201 states and 9077 transitions. [2020-10-27 17:33:46,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:33:46,052 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 405 [2020-10-27 17:33:46,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:33:46,076 INFO L225 Difference]: With dead ends: 7201 [2020-10-27 17:33:46,076 INFO L226 Difference]: Without dead ends: 7198 [2020-10-27 17:33:46,080 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 [2020-10-27 17:33:46,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7198 states. [2020-10-27 17:33:46,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7198 to 7004. [2020-10-27 17:33:46,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7004 states. [2020-10-27 17:33:46,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7004 states to 7004 states and 8794 transitions. [2020-10-27 17:33:46,250 INFO L78 Accepts]: Start accepts. Automaton has 7004 states and 8794 transitions. Word has length 405 [2020-10-27 17:33:46,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:33:46,251 INFO L481 AbstractCegarLoop]: Abstraction has 7004 states and 8794 transitions. [2020-10-27 17:33:46,251 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:33:46,251 INFO L276 IsEmpty]: Start isEmpty. Operand 7004 states and 8794 transitions. [2020-10-27 17:33:46,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 420 [2020-10-27 17:33:46,277 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:33:46,277 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:33:46,278 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-27 17:33:46,278 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:33:46,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:33:46,278 INFO L82 PathProgramCache]: Analyzing trace with hash -2128180500, now seen corresponding path program 1 times [2020-10-27 17:33:46,279 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:33:46,279 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1293535554] [2020-10-27 17:33:46,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:33:46,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:33:46,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:33:46,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:33:47,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:33:48,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:33:49,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:33:51,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:33:51,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 435 [2020-10-27 17:33:51,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 17:33:51,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4635 [2020-10-27 17:33:51,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:33:51,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 17:33:51,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-27 17:33:51,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 291 [2020-10-27 17:33:51,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:33:51,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:33:51,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:33:51,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:33:51,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:33:51,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:33:51,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:33:51,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 17:33:51,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:33:51,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:33:51,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:33:51,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:33:51,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:33:51,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:33:51,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:33:51,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:33:51,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:33:51,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-27 17:33:51,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:33:51,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-27 17:33:51,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:33:51,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:33:51,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:33:51,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-27 17:33:51,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:33:51,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-27 17:33:51,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:33:51,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:33:51,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:33:51,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:33:51,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-27 17:33:51,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 17:33:51,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 246 [2020-10-27 17:33:51,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:33:51,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 17:33:51,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 17:33:51,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 153 [2020-10-27 17:33:51,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:33:51,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2020-10-27 17:33:51,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:33:51,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:33:51,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:33:51,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:33:51,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-27 17:33:51,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 17:33:51,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 172 [2020-10-27 17:33:51,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:33:51,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:33:51,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 17:33:51,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-27 17:33:51,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:33:52,041 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 256 proven. 77 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2020-10-27 17:33:52,041 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1293535554] [2020-10-27 17:33:52,041 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:33:52,041 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-27 17:33:52,042 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778219658] [2020-10-27 17:33:52,042 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 17:33:52,043 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:33:52,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 17:33:52,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-27 17:33:52,043 INFO L87 Difference]: Start difference. First operand 7004 states and 8794 transitions. Second operand 8 states. [2020-10-27 17:33:56,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:33:56,910 INFO L93 Difference]: Finished difference Result 18016 states and 22917 transitions. [2020-10-27 17:33:56,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-27 17:33:56,911 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 419 [2020-10-27 17:33:56,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:33:56,963 INFO L225 Difference]: With dead ends: 18016 [2020-10-27 17:33:56,963 INFO L226 Difference]: Without dead ends: 11018 [2020-10-27 17:33:56,983 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2020-10-27 17:33:56,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11018 states. [2020-10-27 17:33:57,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11018 to 10424. [2020-10-27 17:33:57,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10424 states. [2020-10-27 17:33:57,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10424 states to 10424 states and 13056 transitions. [2020-10-27 17:33:57,272 INFO L78 Accepts]: Start accepts. Automaton has 10424 states and 13056 transitions. Word has length 419 [2020-10-27 17:33:57,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:33:57,273 INFO L481 AbstractCegarLoop]: Abstraction has 10424 states and 13056 transitions. [2020-10-27 17:33:57,273 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 17:33:57,273 INFO L276 IsEmpty]: Start isEmpty. Operand 10424 states and 13056 transitions. [2020-10-27 17:33:57,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 559 [2020-10-27 17:33:57,321 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:33:57,322 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:33:57,322 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-27 17:33:57,322 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:33:57,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:33:57,323 INFO L82 PathProgramCache]: Analyzing trace with hash 221297465, now seen corresponding path program 1 times [2020-10-27 17:33:57,323 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:33:57,323 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1046201046] [2020-10-27 17:33:57,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:33:57,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:33:57,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:33:57,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:00,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:01,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:02,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:34:02,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 576 [2020-10-27 17:34:02,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 17:34:02,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-27 17:34:02,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:34:02,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:34:02,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 281 [2020-10-27 17:34:02,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 154 [2020-10-27 17:34:02,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:34:02,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:34:02,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:34:02,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:02,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:34:02,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:34:02,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:34:02,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 17:34:02,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:34:02,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:34:02,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:34:02,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:34:02,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:34:02,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:34:02,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:34:02,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:02,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:34:02,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-27 17:34:02,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:34:02,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 17:34:02,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:34:02,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:34:02,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:34:02,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:34:02,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:34:02,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-27 17:34:02,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:34:02,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:02,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:34:02,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-10-27 17:34:02,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:34:02,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 120 [2020-10-27 17:34:02,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:34:02,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:34:02,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:34:02,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 170 [2020-10-27 17:34:02,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:34:02,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2020-10-27 17:34:02,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:34:02,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:03,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:34:03,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-27 17:34:03,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:34:03,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 227 [2020-10-27 17:34:03,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:34:03,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:34:03,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 17:34:03,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 153 [2020-10-27 17:34:03,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:34:03,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2020-10-27 17:34:03,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:34:03,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:03,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:34:03,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-27 17:34:03,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:34:03,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-27 17:34:03,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:34:03,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:34:03,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 88 [2020-10-27 17:34:03,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:34:03,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:34:03,573 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 403 proven. 89 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2020-10-27 17:34:03,573 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1046201046] [2020-10-27 17:34:03,573 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:34:03,573 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-27 17:34:03,574 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253883641] [2020-10-27 17:34:03,574 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 17:34:03,575 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:34:03,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 17:34:03,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-27 17:34:03,575 INFO L87 Difference]: Start difference. First operand 10424 states and 13056 transitions. Second operand 7 states. [2020-10-27 17:34:07,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:34:07,581 INFO L93 Difference]: Finished difference Result 22004 states and 27643 transitions. [2020-10-27 17:34:07,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 17:34:07,582 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 558 [2020-10-27 17:34:07,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:34:07,623 INFO L225 Difference]: With dead ends: 22004 [2020-10-27 17:34:07,623 INFO L226 Difference]: Without dead ends: 11586 [2020-10-27 17:34:07,648 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-27 17:34:07,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11586 states. [2020-10-27 17:34:07,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11586 to 11185. [2020-10-27 17:34:07,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11185 states. [2020-10-27 17:34:07,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11185 states to 11185 states and 13967 transitions. [2020-10-27 17:34:07,925 INFO L78 Accepts]: Start accepts. Automaton has 11185 states and 13967 transitions. Word has length 558 [2020-10-27 17:34:07,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:34:07,926 INFO L481 AbstractCegarLoop]: Abstraction has 11185 states and 13967 transitions. [2020-10-27 17:34:07,926 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 17:34:07,926 INFO L276 IsEmpty]: Start isEmpty. Operand 11185 states and 13967 transitions. [2020-10-27 17:34:07,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 613 [2020-10-27 17:34:07,963 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:34:07,964 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:34:07,964 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-27 17:34:07,964 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:34:07,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:34:07,965 INFO L82 PathProgramCache]: Analyzing trace with hash -476827127, now seen corresponding path program 1 times [2020-10-27 17:34:07,965 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:34:07,965 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [13372152] [2020-10-27 17:34:07,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:34:08,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:34:08,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:08,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:08,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:13,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:34:13,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 632 [2020-10-27 17:34:13,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 17:34:13,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-27 17:34:13,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:34:13,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:34:13,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 337 [2020-10-27 17:34:13,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 154 [2020-10-27 17:34:13,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:34:13,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:34:13,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:34:13,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:13,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:34:13,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:34:13,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:34:13,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 17:34:13,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:34:13,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:34:13,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:34:13,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:34:13,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:34:13,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:34:13,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:34:13,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:13,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:34:13,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-27 17:34:13,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:34:13,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 17:34:13,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:34:13,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:34:13,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:34:13,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:34:13,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:34:13,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-27 17:34:13,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:34:13,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:13,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:34:13,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-27 17:34:13,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:34:13,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-27 17:34:13,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:34:13,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:34:13,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:34:13,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:34:13,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:34:13,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2020-10-27 17:34:13,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:34:13,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:13,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:34:13,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-27 17:34:13,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:34:13,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-27 17:34:13,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:34:13,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:34:13,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:34:13,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-27 17:34:13,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:34:13,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2020-10-27 17:34:13,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:34:13,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:13,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:34:13,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-27 17:34:13,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:34:13,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 208 [2020-10-27 17:34:13,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:34:13,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:34:13,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 17:34:13,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 153 [2020-10-27 17:34:13,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:34:13,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2020-10-27 17:34:13,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:34:13,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:14,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:34:14,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-27 17:34:14,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:34:14,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-27 17:34:14,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:34:14,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:34:14,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 88 [2020-10-27 17:34:14,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:34:14,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:34:14,198 INFO L134 CoverageAnalysis]: Checked inductivity of 1140 backedges. 525 proven. 89 refuted. 0 times theorem prover too weak. 526 trivial. 0 not checked. [2020-10-27 17:34:14,198 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [13372152] [2020-10-27 17:34:14,198 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:34:14,199 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-27 17:34:14,199 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158519890] [2020-10-27 17:34:14,200 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 17:34:14,200 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:34:14,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 17:34:14,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-27 17:34:14,201 INFO L87 Difference]: Start difference. First operand 11185 states and 13967 transitions. Second operand 7 states. [2020-10-27 17:34:19,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:34:19,758 INFO L93 Difference]: Finished difference Result 26186 states and 34345 transitions. [2020-10-27 17:34:19,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 17:34:19,759 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 612 [2020-10-27 17:34:19,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:34:19,823 INFO L225 Difference]: With dead ends: 26186 [2020-10-27 17:34:19,824 INFO L226 Difference]: Without dead ends: 15007 [2020-10-27 17:34:19,854 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-27 17:34:19,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15007 states. [2020-10-27 17:34:20,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15007 to 14782. [2020-10-27 17:34:20,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14782 states. [2020-10-27 17:34:20,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14782 states to 14782 states and 19172 transitions. [2020-10-27 17:34:20,321 INFO L78 Accepts]: Start accepts. Automaton has 14782 states and 19172 transitions. Word has length 612 [2020-10-27 17:34:20,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:34:20,322 INFO L481 AbstractCegarLoop]: Abstraction has 14782 states and 19172 transitions. [2020-10-27 17:34:20,322 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 17:34:20,322 INFO L276 IsEmpty]: Start isEmpty. Operand 14782 states and 19172 transitions. [2020-10-27 17:34:20,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 720 [2020-10-27 17:34:20,417 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:34:20,418 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:34:20,418 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-27 17:34:20,418 INFO L429 AbstractCegarLoop]: === Iteration 17 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:34:20,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:34:20,419 INFO L82 PathProgramCache]: Analyzing trace with hash -718653631, now seen corresponding path program 1 times [2020-10-27 17:34:20,419 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:34:20,419 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1626863670] [2020-10-27 17:34:20,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:34:20,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:34:20,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:20,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:20,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:25,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:34:25,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 741 [2020-10-27 17:34:25,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 17:34:25,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5118 [2020-10-27 17:34:25,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:34:25,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:34:25,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 447 [2020-10-27 17:34:25,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 153 [2020-10-27 17:34:25,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:34:25,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:34:25,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:34:25,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:25,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:34:25,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:34:25,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:34:25,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 17:34:25,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:34:25,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:34:25,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:34:25,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:34:25,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:34:25,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:34:25,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:34:25,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:25,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:34:25,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-27 17:34:25,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:34:25,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-27 17:34:25,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:34:25,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:34:25,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:34:25,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:34:25,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:34:25,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-27 17:34:25,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:34:25,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:25,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:34:25,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-27 17:34:25,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:34:25,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-27 17:34:25,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:34:25,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:34:25,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:34:25,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:34:25,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:34:25,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2020-10-27 17:34:26,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:34:26,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:26,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:34:26,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-27 17:34:26,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:34:26,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-27 17:34:26,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:34:26,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:34:26,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:34:26,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:34:26,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:34:26,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2020-10-27 17:34:26,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:34:26,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:26,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:34:26,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-27 17:34:26,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:34:26,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114 [2020-10-27 17:34:26,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:34:26,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:34:26,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:34:26,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-10-27 17:34:26,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:34:26,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2020-10-27 17:34:26,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:34:26,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:26,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:34:26,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-27 17:34:26,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:34:26,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 263 [2020-10-27 17:34:26,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:34:26,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:34:26,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 17:34:26,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 153 [2020-10-27 17:34:26,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:34:26,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 591 [2020-10-27 17:34:26,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:34:26,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:26,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:34:26,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-27 17:34:26,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:34:26,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-27 17:34:26,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:34:26,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:34:26,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 88 [2020-10-27 17:34:26,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:34:26,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:34:27,376 INFO L134 CoverageAnalysis]: Checked inductivity of 1668 backedges. 676 proven. 89 refuted. 0 times theorem prover too weak. 903 trivial. 0 not checked. [2020-10-27 17:34:27,377 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1626863670] [2020-10-27 17:34:27,377 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:34:27,377 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-27 17:34:27,377 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985607044] [2020-10-27 17:34:27,379 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 17:34:27,379 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:34:27,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 17:34:27,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-27 17:34:27,380 INFO L87 Difference]: Start difference. First operand 14782 states and 19172 transitions. Second operand 7 states. [2020-10-27 17:34:31,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:34:31,388 INFO L93 Difference]: Finished difference Result 28217 states and 37045 transitions. [2020-10-27 17:34:31,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 17:34:31,389 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 719 [2020-10-27 17:34:31,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:34:31,450 INFO L225 Difference]: With dead ends: 28217 [2020-10-27 17:34:31,450 INFO L226 Difference]: Without dead ends: 16759 [2020-10-27 17:34:31,478 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-27 17:34:31,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16759 states. [2020-10-27 17:34:31,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16759 to 16541. [2020-10-27 17:34:31,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16541 states. [2020-10-27 17:34:31,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16541 states to 16541 states and 21545 transitions. [2020-10-27 17:34:31,991 INFO L78 Accepts]: Start accepts. Automaton has 16541 states and 21545 transitions. Word has length 719 [2020-10-27 17:34:31,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:34:31,993 INFO L481 AbstractCegarLoop]: Abstraction has 16541 states and 21545 transitions. [2020-10-27 17:34:31,993 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 17:34:31,993 INFO L276 IsEmpty]: Start isEmpty. Operand 16541 states and 21545 transitions. [2020-10-27 17:34:32,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 781 [2020-10-27 17:34:32,055 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:34:32,056 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:34:32,056 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-27 17:34:32,056 INFO L429 AbstractCegarLoop]: === Iteration 18 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:34:32,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:34:32,057 INFO L82 PathProgramCache]: Analyzing trace with hash -220557687, now seen corresponding path program 1 times [2020-10-27 17:34:32,057 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:34:32,057 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1913753011] [2020-10-27 17:34:32,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:34:32,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:34:32,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:32,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:32,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:37,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:34:37,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 802 [2020-10-27 17:34:37,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 17:34:37,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5076 [2020-10-27 17:34:37,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:34:37,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:34:37,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 508 [2020-10-27 17:34:37,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 153 [2020-10-27 17:34:37,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:34:37,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:34:37,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:34:37,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:37,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:34:37,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:34:37,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:34:37,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 17:34:37,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:34:37,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:34:37,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:34:37,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:34:37,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:34:37,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:34:37,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:34:37,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:37,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:34:37,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-27 17:34:37,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:34:37,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 17:34:37,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:34:37,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:34:37,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:34:37,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:34:37,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:34:37,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-27 17:34:37,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:34:37,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:37,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:34:37,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-27 17:34:37,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:34:37,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 157 [2020-10-27 17:34:37,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:34:37,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:34:37,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:34:37,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:34:37,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:34:37,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2020-10-27 17:34:37,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:34:37,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:37,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:34:37,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-27 17:34:37,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:34:37,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 17:34:37,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:34:37,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:34:37,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:34:37,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:34:37,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:34:37,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2020-10-27 17:34:37,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:34:37,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:37,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:34:37,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-10-27 17:34:37,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:34:37,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-27 17:34:37,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:34:37,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:34:37,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:34:37,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 163 [2020-10-27 17:34:37,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:34:37,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 500 [2020-10-27 17:34:37,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:34:37,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:38,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:34:38,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-27 17:34:38,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:34:38,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 155 [2020-10-27 17:34:38,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:34:38,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:34:38,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 17:34:38,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 153 [2020-10-27 17:34:38,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:34:38,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 652 [2020-10-27 17:34:38,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:34:38,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:34:38,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:34:38,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-27 17:34:38,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:34:38,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-27 17:34:38,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:34:38,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:34:38,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 88 [2020-10-27 17:34:38,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:34:38,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:34:38,546 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 719 proven. 89 refuted. 0 times theorem prover too weak. 932 trivial. 0 not checked. [2020-10-27 17:34:38,546 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1913753011] [2020-10-27 17:34:38,546 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:34:38,547 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-27 17:34:38,547 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704050221] [2020-10-27 17:34:38,548 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 17:34:38,548 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:34:38,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 17:34:38,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-27 17:34:38,549 INFO L87 Difference]: Start difference. First operand 16541 states and 21545 transitions. Second operand 7 states. [2020-10-27 17:34:43,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:34:43,602 INFO L93 Difference]: Finished difference Result 33065 states and 43166 transitions. [2020-10-27 17:34:43,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 17:34:43,603 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 780 [2020-10-27 17:34:43,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:34:43,606 INFO L225 Difference]: With dead ends: 33065 [2020-10-27 17:34:43,606 INFO L226 Difference]: Without dead ends: 0 [2020-10-27 17:34:43,667 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-27 17:34:43,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-27 17:34:43,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-27 17:34:43,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-27 17:34:43,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-27 17:34:43,668 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 780 [2020-10-27 17:34:43,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:34:43,668 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-27 17:34:43,668 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 17:34:43,668 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-27 17:34:43,668 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-27 17:34:43,669 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-27 17:34:43,671 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-27 17:34:47,303 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 522 DAG size of output: 290 [2020-10-27 17:34:48,798 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 522 DAG size of output: 290 [2020-10-27 17:34:49,055 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 38 [2020-10-27 17:34:51,617 WARN L193 SmtUtils]: Spent 2.51 s on a formula simplification. DAG size of input: 417 DAG size of output: 60 [2020-10-27 17:34:53,322 WARN L193 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 270 DAG size of output: 58 [2020-10-27 17:34:54,369 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 241 DAG size of output: 50 [2020-10-27 17:34:56,052 WARN L193 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 270 DAG size of output: 58 [2020-10-27 17:34:56,058 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-27 17:34:56,059 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-27 17:34:56,059 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-27 17:34:56,059 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-27 17:34:56,059 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-27 17:34:56,059 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~inputA~0 |old(~inputA~0)|) (= ~a25~0 |old(~a25~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~a23~0 |old(~a23~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a29~0 |old(~a29~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |old(#valid)| |#valid|) (= ~a3~0 |old(~a3~0)|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~inputB~0 |old(~inputB~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~a4~0 |old(~a4~0)|) (= |#t~string7.base| |old(#t~string7.base)|)) [2020-10-27 17:34:56,059 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-27 17:34:56,060 INFO L274 CegarLoopResult]: For program point L960(lines 960 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,060 INFO L274 CegarLoopResult]: For program point L696(lines 696 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,060 INFO L274 CegarLoopResult]: For program point L630(lines 630 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,060 INFO L274 CegarLoopResult]: For program point L895(lines 895 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,060 INFO L274 CegarLoopResult]: For program point L697(lines 697 707) no Hoare annotation was computed. [2020-10-27 17:34:56,060 INFO L274 CegarLoopResult]: For program point L697-2(lines 697 707) no Hoare annotation was computed. [2020-10-27 17:34:56,060 INFO L274 CegarLoopResult]: For program point L367(lines 367 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,060 INFO L274 CegarLoopResult]: For program point L301(lines 301 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,061 INFO L274 CegarLoopResult]: For program point L235(lines 235 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,061 INFO L274 CegarLoopResult]: For program point L169-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:34:56,061 INFO L274 CegarLoopResult]: For program point L103-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:34:56,061 INFO L274 CegarLoopResult]: For program point L37-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:34:56,061 INFO L274 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-10-27 17:34:56,061 INFO L274 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-10-27 17:34:56,061 INFO L274 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-10-27 17:34:56,061 INFO L274 CegarLoopResult]: For program point L568(lines 568 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,062 INFO L274 CegarLoopResult]: For program point L502(lines 502 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,062 INFO L274 CegarLoopResult]: For program point L172-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:34:56,062 INFO L274 CegarLoopResult]: For program point L106-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:34:56,062 INFO L274 CegarLoopResult]: For program point L40-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:34:56,062 INFO L274 CegarLoopResult]: For program point L965(lines 965 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,062 INFO L274 CegarLoopResult]: For program point L833(lines 833 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,062 INFO L274 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-10-27 17:34:56,062 INFO L274 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-10-27 17:34:56,062 INFO L274 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-10-27 17:34:56,062 INFO L274 CegarLoopResult]: For program point L900(lines 900 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,063 INFO L274 CegarLoopResult]: For program point L438(lines 438 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,063 INFO L274 CegarLoopResult]: For program point L372(lines 372 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,063 INFO L274 CegarLoopResult]: For program point L637(lines 637 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,063 INFO L274 CegarLoopResult]: For program point L307(lines 307 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,063 INFO L274 CegarLoopResult]: For program point L175-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:34:56,063 INFO L274 CegarLoopResult]: For program point L109-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:34:56,063 INFO L274 CegarLoopResult]: For program point L43-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:34:56,063 INFO L274 CegarLoopResult]: For program point L242(lines 242 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,063 INFO L274 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-10-27 17:34:56,063 INFO L274 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-10-27 17:34:56,063 INFO L274 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-10-27 17:34:56,064 INFO L274 CegarLoopResult]: For program point L771(lines 771 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,064 INFO L274 CegarLoopResult]: For program point L838(lines 838 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,064 INFO L274 CegarLoopResult]: For program point L574(lines 574 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,064 INFO L274 CegarLoopResult]: For program point L178-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:34:56,064 INFO L274 CegarLoopResult]: For program point L112-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:34:56,064 INFO L274 CegarLoopResult]: For program point L46-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:34:56,064 INFO L274 CegarLoopResult]: For program point L971(lines 971 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,064 INFO L274 CegarLoopResult]: For program point L905(lines 905 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,064 INFO L274 CegarLoopResult]: For program point L509(lines 509 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,064 INFO L274 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-10-27 17:34:56,064 INFO L274 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-10-27 17:34:56,064 INFO L274 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-10-27 17:34:56,065 INFO L274 CegarLoopResult]: For program point L972(lines 972 982) no Hoare annotation was computed. [2020-10-27 17:34:56,065 INFO L274 CegarLoopResult]: For program point L906(lines 906 916) no Hoare annotation was computed. [2020-10-27 17:34:56,065 INFO L274 CegarLoopResult]: For program point L972-2(lines 972 982) no Hoare annotation was computed. [2020-10-27 17:34:56,065 INFO L274 CegarLoopResult]: For program point L906-2(lines 906 916) no Hoare annotation was computed. [2020-10-27 17:34:56,065 INFO L274 CegarLoopResult]: For program point L708(lines 708 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,065 INFO L274 CegarLoopResult]: For program point L312(lines 312 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,065 INFO L274 CegarLoopResult]: For program point L577(lines 577 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,065 INFO L274 CegarLoopResult]: For program point L445(lines 445 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,065 INFO L274 CegarLoopResult]: For program point L379(lines 379 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,065 INFO L274 CegarLoopResult]: For program point L181-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:34:56,065 INFO L274 CegarLoopResult]: For program point L115-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:34:56,065 INFO L274 CegarLoopResult]: For program point L49-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:34:56,065 INFO L274 CegarLoopResult]: For program point L776(lines 776 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,066 INFO L274 CegarLoopResult]: For program point L644(lines 644 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,066 INFO L274 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-10-27 17:34:56,066 INFO L274 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-10-27 17:34:56,066 INFO L274 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-10-27 17:34:56,066 INFO L274 CegarLoopResult]: For program point L843(lines 843 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,066 INFO L274 CegarLoopResult]: For program point L249(lines 249 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,066 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:34:56,066 INFO L274 CegarLoopResult]: For program point L184-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:34:56,066 INFO L274 CegarLoopResult]: For program point L118-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:34:56,066 INFO L274 CegarLoopResult]: For program point L52-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:34:56,066 INFO L274 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-10-27 17:34:56,066 INFO L274 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-10-27 17:34:56,066 INFO L274 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-10-27 17:34:56,067 INFO L274 CegarLoopResult]: For program point L714(lines 714 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,067 INFO L274 CegarLoopResult]: For program point L516(lines 516 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,067 INFO L274 CegarLoopResult]: For program point L649(lines 649 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,067 INFO L274 CegarLoopResult]: For program point L583(lines 583 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,067 INFO L274 CegarLoopResult]: For program point L517(lines 517 527) no Hoare annotation was computed. [2020-10-27 17:34:56,068 INFO L274 CegarLoopResult]: For program point L517-2(lines 517 527) no Hoare annotation was computed. [2020-10-27 17:34:56,068 INFO L274 CegarLoopResult]: For program point L319(lines 319 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,068 INFO L274 CegarLoopResult]: For program point L187-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:34:56,068 INFO L274 CegarLoopResult]: For program point L121-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:34:56,068 INFO L274 CegarLoopResult]: For program point L55-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:34:56,068 INFO L274 CegarLoopResult]: For program point L848(lines 848 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,068 INFO L274 CegarLoopResult]: For program point L782(lines 782 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,068 INFO L274 CegarLoopResult]: For program point L650(lines 650 659) no Hoare annotation was computed. [2020-10-27 17:34:56,069 INFO L274 CegarLoopResult]: For program point L650-2(lines 650 659) no Hoare annotation was computed. [2020-10-27 17:34:56,069 INFO L274 CegarLoopResult]: For program point L452(lines 452 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,069 INFO L274 CegarLoopResult]: For program point L386(lines 386 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,069 INFO L274 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-10-27 17:34:56,069 INFO L274 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-10-27 17:34:56,069 INFO L274 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-10-27 17:34:56,069 INFO L274 CegarLoopResult]: For program point L256(lines 256 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,069 INFO L274 CegarLoopResult]: For program point L190-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:34:56,069 INFO L274 CegarLoopResult]: For program point L124-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:34:56,069 INFO L274 CegarLoopResult]: For program point L58-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:34:56,069 INFO L274 CegarLoopResult]: For program point L983(lines 983 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,069 INFO L274 CegarLoopResult]: For program point L917(lines 917 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,069 INFO L274 CegarLoopResult]: For program point L719(lines 719 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,069 INFO L274 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-10-27 17:34:56,071 INFO L270 CegarLoopResult]: At program point L125(line 125) the Hoare annotation is: (let ((.cse1 (= 11 |old(~a25~0)|)) (.cse4 (and (not (<= |old(~a29~0)| 140)) (not (<= 246 |old(~a29~0)|)))) (.cse2 (not (<= |old(~a4~0)| 1))) (.cse3 (not (<= 1 |old(~a4~0)|))) (.cse0 (not (<= ~a8~0 15)))) (and (or (not (<= 12 |old(~a25~0)|)) .cse0 (not (<= 0 (+ |old(~a23~0)| 42)))) (or .cse1 .cse0 .cse2 .cse3) (or .cse4 .cse0 (not (= 9 |old(~a25~0)|))) (or .cse4 .cse0 (not .cse1)) (or .cse4 .cse0 (not (<= |old(~a29~0)| 274))) (or .cse0 (not (<= 139 |old(~a23~0)|)) .cse2 .cse3) (or .cse0 (not (= 12 |old(~a25~0)|))))) [2020-10-27 17:34:56,071 INFO L274 CegarLoopResult]: For program point L125-1(line 125) no Hoare annotation was computed. [2020-10-27 17:34:56,071 INFO L274 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-10-27 17:34:56,071 INFO L274 CegarLoopResult]: For program point L918(lines 918 928) no Hoare annotation was computed. [2020-10-27 17:34:56,071 INFO L274 CegarLoopResult]: For program point L918-2(lines 918 928) no Hoare annotation was computed. [2020-10-27 17:34:56,071 INFO L274 CegarLoopResult]: For program point L720(lines 720 732) no Hoare annotation was computed. [2020-10-27 17:34:56,071 INFO L274 CegarLoopResult]: For program point L720-2(lines 720 732) no Hoare annotation was computed. [2020-10-27 17:34:56,071 INFO L274 CegarLoopResult]: For program point L588(lines 588 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,071 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 24 1028) the Hoare annotation is: (let ((.cse2 (not (<= |old(~a4~0)| 1))) (.cse3 (not (<= 1 |old(~a4~0)|))) (.cse4 (= 11 |old(~a25~0)|)) (.cse5 (and (not (<= |old(~a29~0)| 140)) (not (<= 246 |old(~a29~0)|)))) (.cse0 (not (<= ~a8~0 15))) (.cse1 (and (= ~a25~0 |old(~a25~0)|) (= ~a23~0 |old(~a23~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a4~0 |old(~a4~0)|)))) (and (or .cse0 (not (<= 139 |old(~a23~0)|)) .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2 .cse3) (or .cse5 .cse0 .cse1 (not (= 9 |old(~a25~0)|))) (or .cse5 .cse0 .cse1 (not .cse4)) (or .cse5 .cse0 (not (<= |old(~a29~0)| 274)) .cse1) (or .cse0 (not (= 12 |old(~a25~0)|)) .cse1) (or (not (<= 12 |old(~a25~0)|)) .cse0 (not (<= 0 (+ |old(~a23~0)| 42))) .cse1))) [2020-10-27 17:34:56,071 INFO L274 CegarLoopResult]: For program point L324(lines 324 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,071 INFO L274 CegarLoopResult]: For program point L589(lines 589 599) no Hoare annotation was computed. [2020-10-27 17:34:56,071 INFO L274 CegarLoopResult]: For program point L589-2(lines 589 599) no Hoare annotation was computed. [2020-10-27 17:34:56,072 INFO L274 CegarLoopResult]: For program point L193-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:34:56,072 INFO L274 CegarLoopResult]: For program point L127-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:34:56,072 INFO L274 CegarLoopResult]: For program point L61-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:34:56,072 INFO L274 CegarLoopResult]: For program point L854(lines 854 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,072 INFO L274 CegarLoopResult]: For program point L458(lines 458 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,072 INFO L274 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-10-27 17:34:56,073 INFO L274 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-10-27 17:34:56,073 INFO L274 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-10-27 17:34:56,073 INFO L274 CegarLoopResult]: For program point L789(lines 789 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,073 INFO L274 CegarLoopResult]: For program point L393(lines 393 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,073 INFO L274 CegarLoopResult]: For program point L262(lines 262 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,073 INFO L274 CegarLoopResult]: For program point L196-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:34:56,073 INFO L274 CegarLoopResult]: For program point L130-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:34:56,073 INFO L274 CegarLoopResult]: For program point L64-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:34:56,073 INFO L274 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-10-27 17:34:56,073 INFO L274 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-10-27 17:34:56,073 INFO L274 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-10-27 17:34:56,073 INFO L274 CegarLoopResult]: For program point L990(lines 990 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,073 INFO L274 CegarLoopResult]: For program point L660(lines 660 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,073 INFO L274 CegarLoopResult]: For program point L528(lines 528 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,073 INFO L274 CegarLoopResult]: For program point L331(lines 331 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,073 INFO L274 CegarLoopResult]: For program point L199-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:34:56,073 INFO L274 CegarLoopResult]: For program point L133-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:34:56,073 INFO L274 CegarLoopResult]: For program point L67-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:34:56,074 INFO L274 CegarLoopResult]: For program point L794(lines 794 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,074 INFO L274 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-10-27 17:34:56,074 INFO L274 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-10-27 17:34:56,074 INFO L274 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-10-27 17:34:56,074 INFO L274 CegarLoopResult]: For program point L861(lines 861 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,074 INFO L274 CegarLoopResult]: For program point L465(lines 465 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,074 INFO L274 CegarLoopResult]: For program point L267(lines 267 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,074 INFO L274 CegarLoopResult]: For program point L400(lines 400 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,074 INFO L274 CegarLoopResult]: For program point L202-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:34:56,074 INFO L274 CegarLoopResult]: For program point L136-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:34:56,074 INFO L274 CegarLoopResult]: For program point L70-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:34:56,074 INFO L274 CegarLoopResult]: For program point L995(lines 995 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,074 INFO L274 CegarLoopResult]: For program point L929(lines 929 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,074 INFO L274 CegarLoopResult]: For program point L665(lines 665 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,074 INFO L274 CegarLoopResult]: For program point L533(lines 533 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,074 INFO L274 CegarLoopResult]: For program point L401(lines 401 412) no Hoare annotation was computed. [2020-10-27 17:34:56,074 INFO L274 CegarLoopResult]: For program point L401-2(lines 401 412) no Hoare annotation was computed. [2020-10-27 17:34:56,074 INFO L274 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-10-27 17:34:56,074 INFO L274 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-10-27 17:34:56,075 INFO L274 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-10-27 17:34:56,075 INFO L274 CegarLoopResult]: For program point L600(lines 600 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,075 INFO L274 CegarLoopResult]: For program point L336(lines 336 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,075 INFO L274 CegarLoopResult]: For program point L270(lines 270 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,075 INFO L274 CegarLoopResult]: For program point L733(lines 733 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,075 INFO L274 CegarLoopResult]: For program point L205-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:34:56,075 INFO L274 CegarLoopResult]: For program point L139-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:34:56,075 INFO L274 CegarLoopResult]: For program point L73-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:34:56,075 INFO L274 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-10-27 17:34:56,075 INFO L274 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-10-27 17:34:56,075 INFO L274 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-10-27 17:34:56,075 INFO L274 CegarLoopResult]: For program point L867(lines 867 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,075 INFO L274 CegarLoopResult]: For program point L801(lines 801 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,075 INFO L274 CegarLoopResult]: For program point L934(lines 934 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,075 INFO L274 CegarLoopResult]: For program point L868(lines 868 877) no Hoare annotation was computed. [2020-10-27 17:34:56,075 INFO L274 CegarLoopResult]: For program point L868-2(lines 868 877) no Hoare annotation was computed. [2020-10-27 17:34:56,075 INFO L274 CegarLoopResult]: For program point L472(lines 472 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,075 INFO L274 CegarLoopResult]: For program point L142-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:34:56,075 INFO L274 CegarLoopResult]: For program point L76-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:34:56,076 INFO L274 CegarLoopResult]: For program point L605(lines 605 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,076 INFO L274 CegarLoopResult]: For program point L539(lines 539 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,076 INFO L274 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-10-27 17:34:56,076 INFO L274 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-10-27 17:34:56,076 INFO L274 CegarLoopResult]: For program point L1002(lines 1002 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,076 INFO L274 CegarLoopResult]: For program point L672(lines 672 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,076 INFO L274 CegarLoopResult]: For program point L606(lines 606 616) no Hoare annotation was computed. [2020-10-27 17:34:56,076 INFO L274 CegarLoopResult]: For program point L606-2(lines 606 616) no Hoare annotation was computed. [2020-10-27 17:34:56,076 INFO L274 CegarLoopResult]: For program point L342(lines 342 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,076 INFO L274 CegarLoopResult]: For program point L277(lines 277 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,076 INFO L274 CegarLoopResult]: For program point L145-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:34:56,076 INFO L274 CegarLoopResult]: For program point L79-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:34:56,076 INFO L274 CegarLoopResult]: For program point L806(lines 806 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,076 INFO L274 CegarLoopResult]: For program point L740(lines 740 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,076 INFO L274 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-10-27 17:34:56,076 INFO L274 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-10-27 17:34:56,076 INFO L274 CegarLoopResult]: For program point L807(lines 807 817) no Hoare annotation was computed. [2020-10-27 17:34:56,077 INFO L274 CegarLoopResult]: For program point L807-2(lines 807 817) no Hoare annotation was computed. [2020-10-27 17:34:56,077 INFO L274 CegarLoopResult]: For program point L544(lines 544 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,077 INFO L274 CegarLoopResult]: For program point L148-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:34:56,077 INFO L274 CegarLoopResult]: For program point L82-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:34:56,078 INFO L274 CegarLoopResult]: For program point L1007(lines 1007 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,078 INFO L274 CegarLoopResult]: For program point L941(lines 941 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,081 INFO L274 CegarLoopResult]: For program point L677(lines 677 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,081 INFO L274 CegarLoopResult]: For program point L479(lines 479 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,081 INFO L274 CegarLoopResult]: For program point L413(lines 413 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,081 INFO L274 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-10-27 17:34:56,081 INFO L274 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-10-27 17:34:56,081 INFO L274 CegarLoopResult]: For program point L942(lines 942 954) no Hoare annotation was computed. [2020-10-27 17:34:56,081 INFO L274 CegarLoopResult]: For program point L942-2(lines 942 954) no Hoare annotation was computed. [2020-10-27 17:34:56,081 INFO L274 CegarLoopResult]: For program point L480(lines 480 488) no Hoare annotation was computed. [2020-10-27 17:34:56,082 INFO L274 CegarLoopResult]: For program point L480-2(lines 480 488) no Hoare annotation was computed. [2020-10-27 17:34:56,083 INFO L274 CegarLoopResult]: For program point L348(lines 348 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,084 INFO L274 CegarLoopResult]: For program point L282(lines 282 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,091 INFO L274 CegarLoopResult]: For program point L216(lines 216 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,091 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:34:56,091 INFO L274 CegarLoopResult]: For program point L745(lines 745 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,091 INFO L274 CegarLoopResult]: For program point L151-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:34:56,091 INFO L274 CegarLoopResult]: For program point L85-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:34:56,091 INFO L274 CegarLoopResult]: For program point L878(lines 878 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,091 INFO L274 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-10-27 17:34:56,092 INFO L274 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-10-27 17:34:56,092 INFO L274 CegarLoopResult]: For program point L154-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:34:56,092 INFO L274 CegarLoopResult]: For program point L88-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:34:56,092 INFO L274 CegarLoopResult]: For program point L683(lines 683 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,092 INFO L274 CegarLoopResult]: For program point L617(lines 617 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,092 INFO L274 CegarLoopResult]: For program point L551(lines 551 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,092 INFO L274 CegarLoopResult]: For program point L419(lines 419 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,092 INFO L274 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-10-27 17:34:56,092 INFO L274 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-10-27 17:34:56,092 INFO L274 CegarLoopResult]: For program point L1014(lines 1014 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,092 INFO L274 CegarLoopResult]: For program point L883(lines 883 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,092 INFO L274 CegarLoopResult]: For program point L355(lines 355 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,093 INFO L274 CegarLoopResult]: For program point L289(lines 289 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,093 INFO L274 CegarLoopResult]: For program point L223(lines 223 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,093 INFO L274 CegarLoopResult]: For program point L157-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:34:56,093 INFO L274 CegarLoopResult]: For program point L91-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:34:56,093 INFO L274 CegarLoopResult]: For program point L25(lines 25 27) no Hoare annotation was computed. [2020-10-27 17:34:56,093 INFO L274 CegarLoopResult]: For program point L25-2(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:34:56,093 INFO L274 CegarLoopResult]: For program point L818(lines 818 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,093 INFO L274 CegarLoopResult]: For program point L752(lines 752 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,093 INFO L274 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-10-27 17:34:56,093 INFO L274 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-10-27 17:34:56,093 INFO L274 CegarLoopResult]: For program point L26(line 26) no Hoare annotation was computed. [2020-10-27 17:34:56,093 INFO L274 CegarLoopResult]: For program point L489(lines 489 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,093 INFO L274 CegarLoopResult]: For program point L490(lines 490 501) no Hoare annotation was computed. [2020-10-27 17:34:56,093 INFO L274 CegarLoopResult]: For program point L424(lines 424 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,094 INFO L274 CegarLoopResult]: For program point L490-2(lines 490 501) no Hoare annotation was computed. [2020-10-27 17:34:56,094 INFO L274 CegarLoopResult]: For program point L160-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:34:56,094 INFO L274 CegarLoopResult]: For program point L94-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:34:56,094 INFO L274 CegarLoopResult]: For program point L28-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:34:56,094 INFO L274 CegarLoopResult]: For program point L1019(lines 1019 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,094 INFO L274 CegarLoopResult]: For program point L623(lines 623 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,094 INFO L274 CegarLoopResult]: For program point L557(lines 557 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,094 INFO L274 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-10-27 17:34:56,094 INFO L274 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-10-27 17:34:56,094 INFO L274 CegarLoopResult]: For program point L29(line 29) no Hoare annotation was computed. [2020-10-27 17:34:56,094 INFO L274 CegarLoopResult]: For program point L888(lines 888 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,094 INFO L274 CegarLoopResult]: For program point L690(lines 690 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,094 INFO L274 CegarLoopResult]: For program point L360(lines 360 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,095 INFO L274 CegarLoopResult]: For program point L955(lines 955 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,095 INFO L274 CegarLoopResult]: For program point L229(lines 229 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,095 INFO L274 CegarLoopResult]: For program point L163-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:34:56,095 INFO L274 CegarLoopResult]: For program point L97-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:34:56,095 INFO L274 CegarLoopResult]: For program point L31-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:34:56,095 INFO L274 CegarLoopResult]: For program point L824(lines 824 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,097 INFO L274 CegarLoopResult]: For program point L296(lines 296 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,097 INFO L274 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-10-27 17:34:56,097 INFO L274 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-10-27 17:34:56,097 INFO L274 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2020-10-27 17:34:56,097 INFO L274 CegarLoopResult]: For program point L759(lines 759 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,097 INFO L274 CegarLoopResult]: For program point L760(lines 760 770) no Hoare annotation was computed. [2020-10-27 17:34:56,097 INFO L274 CegarLoopResult]: For program point L760-2(lines 760 770) no Hoare annotation was computed. [2020-10-27 17:34:56,097 INFO L274 CegarLoopResult]: For program point L166-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:34:56,097 INFO L274 CegarLoopResult]: For program point L100-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:34:56,098 INFO L274 CegarLoopResult]: For program point L34-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:34:56,098 INFO L274 CegarLoopResult]: For program point L827(lines 827 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,098 INFO L274 CegarLoopResult]: For program point L563(lines 563 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,098 INFO L274 CegarLoopResult]: For program point L431(lines 431 1026) no Hoare annotation was computed. [2020-10-27 17:34:56,098 INFO L274 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-10-27 17:34:56,098 INFO L274 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-10-27 17:34:56,098 INFO L274 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-10-27 17:34:56,098 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-27 17:34:56,098 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (not (= ~a25~0 11)) (<= 1 ~a4~0) (or (<= ~a29~0 140) (<= 246 ~a29~0)) (<= ~a29~0 274) (<= ~a8~0 15) (<= ~a4~0 1) (= ~a23~0 312)) [2020-10-27 17:34:56,098 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-27 17:34:56,099 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-27 17:34:56,099 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 1030 1046) the Hoare annotation is: (or (= 11 |old(~a25~0)|) (and (not (<= |old(~a29~0)| 140)) (not (<= 246 |old(~a29~0)|))) (not (= 312 |old(~a23~0)|)) (not (<= ~a8~0 15)) (not (<= |old(~a29~0)| 274)) (not (<= |old(~a4~0)| 1)) (and (= ~a25~0 |old(~a25~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a23~0 312)) (not (<= 1 |old(~a4~0)|))) [2020-10-27 17:34:56,099 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 1030 1046) no Hoare annotation was computed. [2020-10-27 17:34:56,099 INFO L270 CegarLoopResult]: At program point L1044(line 1044) the Hoare annotation is: (let ((.cse2 (= ~a25~0 11)) (.cse0 (<= 1 ~a4~0)) (.cse1 (<= ~a4~0 1)) (.cse3 (or (<= ~a29~0 140) (<= 246 ~a29~0)))) (or (not (<= |old(~a29~0)| 274)) (and .cse0 (<= 139 ~a23~0) .cse1) (and .cse2 .cse3) (not (<= |old(~a4~0)| 1)) (and (not .cse2) .cse0 .cse1) (not (<= 1 |old(~a4~0)|)) (= 11 |old(~a25~0)|) (and (not (<= |old(~a29~0)| 140)) (not (<= 246 |old(~a29~0)|))) (not (= 312 |old(~a23~0)|)) (and (= ~a25~0 9) .cse3) (not (<= ~a8~0 15)) (and .cse3 (<= ~a29~0 274)) (= ~a25~0 12) (and (<= 0 (+ ~a23~0 42)) (<= 12 ~a25~0)))) [2020-10-27 17:34:56,099 INFO L274 CegarLoopResult]: For program point L1044-1(line 1044) no Hoare annotation was computed. [2020-10-27 17:34:56,099 INFO L274 CegarLoopResult]: For program point L1041(line 1041) no Hoare annotation was computed. [2020-10-27 17:34:56,100 INFO L270 CegarLoopResult]: At program point L1036-2(lines 1036 1045) the Hoare annotation is: (let ((.cse2 (= ~a25~0 11)) (.cse0 (<= 1 ~a4~0)) (.cse1 (<= ~a4~0 1)) (.cse3 (or (<= ~a29~0 140) (<= 246 ~a29~0)))) (or (not (<= |old(~a29~0)| 274)) (and .cse0 (<= 139 ~a23~0) .cse1) (and .cse2 .cse3) (not (<= |old(~a4~0)| 1)) (and (not .cse2) .cse0 .cse1) (not (<= 1 |old(~a4~0)|)) (= 11 |old(~a25~0)|) (and (not (<= |old(~a29~0)| 140)) (not (<= 246 |old(~a29~0)|))) (not (= 312 |old(~a23~0)|)) (and (= ~a25~0 9) .cse3) (not (<= ~a8~0 15)) (and .cse3 (<= ~a29~0 274)) (= ~a25~0 12) (and (<= 0 (+ ~a23~0 42)) (<= 12 ~a25~0)))) [2020-10-27 17:34:56,100 INFO L274 CegarLoopResult]: For program point L1036-3(lines 1030 1046) no Hoare annotation was computed. [2020-10-27 17:34:56,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 05:34:56 BoogieIcfgContainer [2020-10-27 17:34:56,137 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 17:34:56,148 INFO L168 Benchmark]: Toolchain (without parser) took 167880.65 ms. Allocated memory was 157.3 MB in the beginning and 2.2 GB in the end (delta: 2.0 GB). Free memory was 129.8 MB in the beginning and 1.6 GB in the end (delta: -1.5 GB). Peak memory consumption was 1.3 GB. Max. memory is 8.0 GB. [2020-10-27 17:34:56,149 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 125.8 MB. Free memory is still 84.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 17:34:56,149 INFO L168 Benchmark]: CACSL2BoogieTranslator took 972.23 ms. Allocated memory is still 157.3 MB. Free memory was 129.3 MB in the beginning and 132.4 MB in the end (delta: -3.1 MB). Peak memory consumption was 51.1 MB. Max. memory is 8.0 GB. [2020-10-27 17:34:56,152 INFO L168 Benchmark]: Boogie Preprocessor took 221.29 ms. Allocated memory is still 157.3 MB. Free memory was 132.4 MB in the beginning and 124.4 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. [2020-10-27 17:34:56,153 INFO L168 Benchmark]: RCFGBuilder took 2505.27 ms. Allocated memory is still 157.3 MB. Free memory was 124.4 MB in the beginning and 113.1 MB in the end (delta: 11.2 MB). Peak memory consumption was 78.0 MB. Max. memory is 8.0 GB. [2020-10-27 17:34:56,154 INFO L168 Benchmark]: TraceAbstraction took 164167.44 ms. Allocated memory was 157.3 MB in the beginning and 2.2 GB in the end (delta: 2.0 GB). Free memory was 112.6 MB in the beginning and 1.6 GB in the end (delta: -1.5 GB). Peak memory consumption was 1.3 GB. Max. memory is 8.0 GB. [2020-10-27 17:34:56,161 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 125.8 MB. Free memory is still 84.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 972.23 ms. Allocated memory is still 157.3 MB. Free memory was 129.3 MB in the beginning and 132.4 MB in the end (delta: -3.1 MB). Peak memory consumption was 51.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 221.29 ms. Allocated memory is still 157.3 MB. Free memory was 132.4 MB in the beginning and 124.4 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. * RCFGBuilder took 2505.27 ms. Allocated memory is still 157.3 MB. Free memory was 124.4 MB in the beginning and 113.1 MB in the end (delta: 11.2 MB). Peak memory consumption was 78.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 164167.44 ms. Allocated memory was 157.3 MB in the beginning and 2.2 GB in the end (delta: 2.0 GB). Free memory was 112.6 MB in the beginning and 1.6 GB in the end (delta: -1.5 GB). Peak memory consumption was 1.3 GB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1036]: Loop Invariant Derived loop invariant: ((((((((((((!(\old(a29) <= 274) || ((1 <= a4 && 139 <= a23) && a4 <= 1)) || (a25 == 11 && (a29 <= 140 || 246 <= a29))) || !(\old(a4) <= 1)) || ((!(a25 == 11) && 1 <= a4) && a4 <= 1)) || !(1 <= \old(a4))) || 11 == \old(a25)) || (!(\old(a29) <= 140) && !(246 <= \old(a29)))) || !(312 == \old(a23))) || (a25 == 9 && (a29 <= 140 || 246 <= a29))) || !(a8 <= 15)) || ((a29 <= 140 || 246 <= a29) && a29 <= 274)) || a25 == 12) || (0 <= a23 + 42 && 12 <= a25) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 296 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 151.6s, OverallIterations: 18, TraceHistogramMax: 7, AutomataDifference: 71.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 12.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 867 SDtfs, 11522 SDslu, 1348 SDs, 0 SdLazy, 23829 SolverSat, 3275 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 49.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 317 GetRequests, 186 SyntacticMatches, 3 SemanticMatches, 128 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 5.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16541occurred in iteration=17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.9s AutomataMinimizationTime, 18 MinimizatonAttempts, 2986 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 1400 PreInvPairs, 1734 NumberOfFragments, 655 HoareAnnotationTreeSize, 1400 FomulaSimplifications, 183638605 FormulaSimplificationTreeSizeReduction, 5.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 389979 FormulaSimplificationTreeSizeReductionInter, 7.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 73.1s InterpolantComputationTime, 5720 NumberOfCodeBlocks, 5720 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 5702 ConstructedInterpolants, 0 QuantifiedInterpolants, 5364597 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 1 PerfectInterpolantSequences, 6746/7396 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...