/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --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_label18.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 12:04:24,355 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 12:04:24,360 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 12:04:24,424 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 12:04:24,425 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 12:04:24,433 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 12:04:24,435 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 12:04:24,440 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 12:04:24,443 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 12:04:24,449 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 12:04:24,451 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 12:04:24,452 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 12:04:24,453 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 12:04:24,456 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 12:04:24,458 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 12:04:24,460 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 12:04:24,461 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 12:04:24,464 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 12:04:24,472 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 12:04:24,481 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 12:04:24,483 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 12:04:24,485 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 12:04:24,487 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 12:04:24,490 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 12:04:24,499 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 12:04:24,499 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 12:04:24,500 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 12:04:24,502 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 12:04:24,503 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 12:04:24,504 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 12:04:24,504 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 12:04:24,505 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 12:04:24,508 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 12:04:24,509 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 12:04:24,510 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 12:04:24,511 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 12:04:24,512 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 12:04:24,512 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 12:04:24,512 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 12:04:24,513 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 12:04:24,514 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 12:04:24,523 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 [2020-10-28 12:04:24,574 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 12:04:24,575 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 12:04:24,580 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 12:04:24,581 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 12:04:24,581 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 12:04:24,581 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 12:04:24,582 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 12:04:24,582 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 12:04:24,582 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 12:04:24,582 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 12:04:24,584 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 12:04:24,584 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 12:04:24,584 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 12:04:24,584 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 12:04:24,585 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 12:04:24,585 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 12:04:24,585 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 12:04:24,585 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 12:04:24,586 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 12:04:24,586 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 12:04:24,586 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 12:04:24,586 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 12:04:24,587 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 12:04:24,587 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 12:04:24,587 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 12:04:24,588 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 12:04:24,588 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 12:04:24,588 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 12:04:24,588 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 12:04:24,589 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 12:04:25,080 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 12:04:25,108 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 12:04:25,111 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 12:04:25,112 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 12:04:25,113 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 12:04:25,114 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label18.c [2020-10-28 12:04:25,195 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2b0c05894/39fd10d5c6c84c37b5facf079b520741/FLAG8b54a2a1a [2020-10-28 12:04:25,921 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 12:04:25,922 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem11_label18.c [2020-10-28 12:04:25,960 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2b0c05894/39fd10d5c6c84c37b5facf079b520741/FLAG8b54a2a1a [2020-10-28 12:04:26,103 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2b0c05894/39fd10d5c6c84c37b5facf079b520741 [2020-10-28 12:04:26,106 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 12:04:26,113 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 12:04:26,115 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 12:04:26,116 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 12:04:26,120 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 12:04:26,121 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 12:04:26" (1/1) ... [2020-10-28 12:04:26,124 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62d463e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:04:26, skipping insertion in model container [2020-10-28 12:04:26,125 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 12:04:26" (1/1) ... [2020-10-28 12:04:26,135 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 12:04:26,193 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 12:04:26,838 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 12:04:26,855 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 12:04:27,102 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 12:04:27,125 INFO L208 MainTranslator]: Completed translation [2020-10-28 12:04:27,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:04:27 WrapperNode [2020-10-28 12:04:27,126 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 12:04:27,127 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 12:04:27,128 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 12:04:27,128 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 12:04:27,142 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:04:27" (1/1) ... [2020-10-28 12:04:27,144 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:04:27" (1/1) ... [2020-10-28 12:04:27,192 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:04:27" (1/1) ... [2020-10-28 12:04:27,193 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:04:27" (1/1) ... [2020-10-28 12:04:27,280 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:04:27" (1/1) ... [2020-10-28 12:04:27,305 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:04:27" (1/1) ... [2020-10-28 12:04:27,328 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:04:27" (1/1) ... [2020-10-28 12:04:27,340 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 12:04:27,341 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 12:04:27,341 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 12:04:27,341 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 12:04:27,342 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:04:27" (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 [2020-10-28 12:04:27,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 12:04:27,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 12:04:27,420 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 12:04:27,421 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-28 12:04:27,421 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 12:04:27,421 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-28 12:04:27,421 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 12:04:27,421 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 12:04:27,421 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 12:04:27,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 12:04:27,422 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 12:04:27,422 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-28 12:04:27,422 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 12:04:27,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 12:04:27,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 12:04:27,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 12:04:27,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 12:04:27,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 12:04:27,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 12:04:29,417 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 12:04:29,418 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-28 12:04:29,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 12:04:29 BoogieIcfgContainer [2020-10-28 12:04:29,420 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 12:04:29,422 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 12:04:29,422 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 12:04:29,426 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 12:04:29,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 12:04:26" (1/3) ... [2020-10-28 12:04:29,427 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23853a3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 12:04:29, skipping insertion in model container [2020-10-28 12:04:29,428 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:04:27" (2/3) ... [2020-10-28 12:04:29,428 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23853a3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 12:04:29, skipping insertion in model container [2020-10-28 12:04:29,428 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 12:04:29" (3/3) ... [2020-10-28 12:04:29,430 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label18.c [2020-10-28 12:04:29,443 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 12:04:29,450 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 12:04:29,464 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 12:04:29,495 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 12:04:29,496 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 12:04:29,496 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 12:04:29,496 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 12:04:29,496 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 12:04:29,496 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 12:04:29,496 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 12:04:29,496 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 12:04:29,524 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states. [2020-10-28 12:04:29,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-10-28 12:04:29,533 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:04:29,534 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] [2020-10-28 12:04:29,535 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:04:29,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:04:29,542 INFO L82 PathProgramCache]: Analyzing trace with hash 559581990, now seen corresponding path program 1 times [2020-10-28 12:04:29,552 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:04:29,553 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1767841067] [2020-10-28 12:04:29,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:04:29,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:04:29,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:04:30,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:04:30,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-10-28 12:04:30,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:04:30,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 717 [2020-10-28 12:04:30,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:04:30,476 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:04:30,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 12:04:30,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 12:04:30,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-28 12:04:30,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 12:04:30,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:04:30,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:04:30,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:04:30,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:04:30,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:04:30,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:04:30,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-28 12:04:30,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:04:30,725 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:04:30,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:04:30,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:04:30,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 12:04:30,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:04:30,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 12:04:30,758 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1767841067] [2020-10-28 12:04:30,760 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 12:04:30,760 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-28 12:04:30,761 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748477845] [2020-10-28 12:04:30,767 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 12:04:30,768 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:04:30,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 12:04:30,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-28 12:04:30,790 INFO L87 Difference]: Start difference. First operand 296 states. Second operand 4 states. [2020-10-28 12:04:34,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:04:34,038 INFO L93 Difference]: Finished difference Result 804 states and 1407 transitions. [2020-10-28 12:04:34,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 12:04:34,041 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 41 [2020-10-28 12:04:34,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:04:34,061 INFO L225 Difference]: With dead ends: 804 [2020-10-28 12:04:34,062 INFO L226 Difference]: Without dead ends: 444 [2020-10-28 12:04:34,073 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-28 12:04:34,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2020-10-28 12:04:34,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 430. [2020-10-28 12:04:34,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 430 states. [2020-10-28 12:04:34,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 646 transitions. [2020-10-28 12:04:34,176 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 646 transitions. Word has length 41 [2020-10-28 12:04:34,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:04:34,177 INFO L481 AbstractCegarLoop]: Abstraction has 430 states and 646 transitions. [2020-10-28 12:04:34,177 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 12:04:34,178 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 646 transitions. [2020-10-28 12:04:34,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-10-28 12:04:34,187 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:04:34,187 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:04:34,189 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 12:04:34,189 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:04:34,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:04:34,190 INFO L82 PathProgramCache]: Analyzing trace with hash 2110084647, now seen corresponding path program 1 times [2020-10-28 12:04:34,190 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:04:34,191 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [748029288] [2020-10-28 12:04:34,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:04:34,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:04:34,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:04:34,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:04:35,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:04:35,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-10-28 12:04:35,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 12:04:35,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1453 [2020-10-28 12:04:35,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:04:35,735 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:04:35,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 12:04:35,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 12:04:35,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-28 12:04:35,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 12:04:35,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:04:35,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:04:35,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:04:35,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:04:35,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:04:35,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:04:35,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-28 12:04:35,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:04:35,928 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:04:35,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:04:35,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:04:35,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 12:04:35,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:04:35,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:04:35,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:04:35,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:04:36,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:04:36,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-28 12:04:36,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:04:36,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 210 [2020-10-28 12:04:36,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:04:36,189 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:04:36,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:04:36,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:04:36,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-28 12:04:36,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:04:36,290 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 12:04:36,290 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [748029288] [2020-10-28 12:04:36,290 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 12:04:36,291 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 12:04:36,291 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105182406] [2020-10-28 12:04:36,293 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 12:04:36,294 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:04:36,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 12:04:36,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 12:04:36,298 INFO L87 Difference]: Start difference. First operand 430 states and 646 transitions. Second operand 7 states. [2020-10-28 12:04:36,440 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-10-28 12:04:40,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:04:40,078 INFO L93 Difference]: Finished difference Result 1276 states and 1966 transitions. [2020-10-28 12:04:40,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 12:04:40,079 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 111 [2020-10-28 12:04:40,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:04:40,088 INFO L225 Difference]: With dead ends: 1276 [2020-10-28 12:04:40,088 INFO L226 Difference]: Without dead ends: 852 [2020-10-28 12:04:40,093 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-28 12:04:40,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 852 states. [2020-10-28 12:04:40,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 852 to 832. [2020-10-28 12:04:40,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 832 states. [2020-10-28 12:04:40,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 832 states and 1143 transitions. [2020-10-28 12:04:40,199 INFO L78 Accepts]: Start accepts. Automaton has 832 states and 1143 transitions. Word has length 111 [2020-10-28 12:04:40,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:04:40,200 INFO L481 AbstractCegarLoop]: Abstraction has 832 states and 1143 transitions. [2020-10-28 12:04:40,202 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 12:04:40,202 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1143 transitions. [2020-10-28 12:04:40,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-10-28 12:04:40,214 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:04:40,214 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:04:40,215 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 12:04:40,215 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:04:40,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:04:40,216 INFO L82 PathProgramCache]: Analyzing trace with hash -395239505, now seen corresponding path program 1 times [2020-10-28 12:04:40,218 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:04:40,218 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1632416674] [2020-10-28 12:04:40,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:04:40,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:04:40,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:04:40,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:04:40,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:04:42,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:04:42,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-28 12:04:42,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 12:04:42,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2577 [2020-10-28 12:04:42,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:04:42,857 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:04:42,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 12:04:42,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 12:04:42,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-28 12:04:42,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:04:43,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:04:43,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:04:43,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:04:43,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:04:43,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:04:43,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:04:43,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-28 12:04:43,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:04:43,051 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:04:43,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:04:43,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:04:43,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 12:04:43,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:04:43,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:04:43,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:04:43,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:04:43,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:04:43,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-28 12:04:43,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:04:43,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 181 [2020-10-28 12:04:43,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:04:43,299 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:04:43,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:04:43,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:04:43,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-28 12:04:43,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:04:43,468 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 12:04:43,469 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1632416674] [2020-10-28 12:04:43,469 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 12:04:43,469 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 12:04:43,471 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306318980] [2020-10-28 12:04:43,473 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 12:04:43,474 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:04:43,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 12:04:43,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 12:04:43,475 INFO L87 Difference]: Start difference. First operand 832 states and 1143 transitions. Second operand 7 states. [2020-10-28 12:04:47,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:04:47,028 INFO L93 Difference]: Finished difference Result 2075 states and 2826 transitions. [2020-10-28 12:04:47,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 12:04:47,030 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 115 [2020-10-28 12:04:47,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:04:47,040 INFO L225 Difference]: With dead ends: 2075 [2020-10-28 12:04:47,040 INFO L226 Difference]: Without dead ends: 1249 [2020-10-28 12:04:47,044 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-28 12:04:47,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1249 states. [2020-10-28 12:04:47,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1249 to 1216. [2020-10-28 12:04:47,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1216 states. [2020-10-28 12:04:47,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1216 states to 1216 states and 1559 transitions. [2020-10-28 12:04:47,118 INFO L78 Accepts]: Start accepts. Automaton has 1216 states and 1559 transitions. Word has length 115 [2020-10-28 12:04:47,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:04:47,120 INFO L481 AbstractCegarLoop]: Abstraction has 1216 states and 1559 transitions. [2020-10-28 12:04:47,121 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 12:04:47,122 INFO L276 IsEmpty]: Start isEmpty. Operand 1216 states and 1559 transitions. [2020-10-28 12:04:47,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-10-28 12:04:47,137 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:04:47,137 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:04:47,138 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 12:04:47,138 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:04:47,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:04:47,140 INFO L82 PathProgramCache]: Analyzing trace with hash -755724174, now seen corresponding path program 1 times [2020-10-28 12:04:47,140 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:04:47,141 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1369394429] [2020-10-28 12:04:47,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:04:47,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:04:47,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:04:47,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:04:47,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 184 [2020-10-28 12:04:47,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:04:47,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 446 [2020-10-28 12:04:47,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:04:47,659 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:04:47,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:04:47,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-28 12:04:47,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-28 12:04:47,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:04:47,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:04:47,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:04:47,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:04:47,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:04:47,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:04:47,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:04:47,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 12:04:47,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:04:47,788 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:04:47,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:04:47,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:04:47,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:04:47,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:04:47,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:04:47,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:04:47,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:04:47,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:04:47,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-28 12:04:47,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:04:47,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 147 [2020-10-28 12:04:47,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:04:47,988 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:04:47,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:04:47,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:04:47,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-28 12:04:47,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:04:48,101 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 32 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 12:04:48,106 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1369394429] [2020-10-28 12:04:48,107 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:04:48,107 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 12:04:48,107 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089293617] [2020-10-28 12:04:48,108 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 12:04:48,109 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:04:48,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 12:04:48,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 12:04:48,110 INFO L87 Difference]: Start difference. First operand 1216 states and 1559 transitions. Second operand 5 states. [2020-10-28 12:04:50,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:04:50,849 INFO L93 Difference]: Finished difference Result 3020 states and 4078 transitions. [2020-10-28 12:04:50,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 12:04:50,850 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 172 [2020-10-28 12:04:50,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:04:50,863 INFO L225 Difference]: With dead ends: 3020 [2020-10-28 12:04:50,863 INFO L226 Difference]: Without dead ends: 1998 [2020-10-28 12:04:50,867 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 [2020-10-28 12:04:50,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1998 states. [2020-10-28 12:04:50,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1998 to 1993. [2020-10-28 12:04:50,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1993 states. [2020-10-28 12:04:50,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1993 states to 1993 states and 2649 transitions. [2020-10-28 12:04:50,939 INFO L78 Accepts]: Start accepts. Automaton has 1993 states and 2649 transitions. Word has length 172 [2020-10-28 12:04:50,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:04:50,940 INFO L481 AbstractCegarLoop]: Abstraction has 1993 states and 2649 transitions. [2020-10-28 12:04:50,940 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 12:04:50,940 INFO L276 IsEmpty]: Start isEmpty. Operand 1993 states and 2649 transitions. [2020-10-28 12:04:50,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2020-10-28 12:04:50,946 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:04:50,947 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-28 12:04:50,947 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 12:04:50,947 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:04:50,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:04:50,948 INFO L82 PathProgramCache]: Analyzing trace with hash -453075238, now seen corresponding path program 1 times [2020-10-28 12:04:50,948 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:04:50,948 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1915650040] [2020-10-28 12:04:50,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:04:51,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:04:51,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:04:51,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:04:51,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:04:53,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:04:53,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 245 [2020-10-28 12:04:53,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 12:04:53,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2615 [2020-10-28 12:04:53,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:04:53,637 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:04:53,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:04:53,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-28 12:04:53,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-28 12:04:53,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:04:53,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:04:53,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:04:53,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:04:53,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:04:53,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:04:53,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:04:53,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 12:04:53,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:04:53,863 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:04:53,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:04:53,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:04:53,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:04:53,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:04:53,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:04:53,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:04:53,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:04:54,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:04:54,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-28 12:04:54,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:04:54,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 161 [2020-10-28 12:04:54,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:04:54,091 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:04:54,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:04:54,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:04:54,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-28 12:04:54,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:04:54,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-28 12:04:54,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:04:54,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:04:54,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:04:54,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-28 12:04:54,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:04:54,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 198 [2020-10-28 12:04:54,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:04:54,375 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:04:54,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:04:54,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:04:54,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-28 12:04:54,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:04:54,539 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 137 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-28 12:04:54,541 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1915650040] [2020-10-28 12:04:54,542 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:04:54,542 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 12:04:54,542 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051409276] [2020-10-28 12:04:54,543 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 12:04:54,544 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:04:54,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 12:04:54,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 12:04:54,545 INFO L87 Difference]: Start difference. First operand 1993 states and 2649 transitions. Second operand 7 states. [2020-10-28 12:04:54,681 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-10-28 12:04:58,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:04:58,090 INFO L93 Difference]: Finished difference Result 4802 states and 6537 transitions. [2020-10-28 12:04:58,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 12:04:58,091 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 231 [2020-10-28 12:04:58,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:04:58,111 INFO L225 Difference]: With dead ends: 4802 [2020-10-28 12:04:58,111 INFO L226 Difference]: Without dead ends: 3003 [2020-10-28 12:04:58,117 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-28 12:04:58,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3003 states. [2020-10-28 12:04:58,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3003 to 2793. [2020-10-28 12:04:58,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2793 states. [2020-10-28 12:04:58,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2793 states to 2793 states and 3599 transitions. [2020-10-28 12:04:58,229 INFO L78 Accepts]: Start accepts. Automaton has 2793 states and 3599 transitions. Word has length 231 [2020-10-28 12:04:58,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:04:58,230 INFO L481 AbstractCegarLoop]: Abstraction has 2793 states and 3599 transitions. [2020-10-28 12:04:58,230 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 12:04:58,230 INFO L276 IsEmpty]: Start isEmpty. Operand 2793 states and 3599 transitions. [2020-10-28 12:04:58,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2020-10-28 12:04:58,235 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:04:58,236 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:04:58,236 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 12:04:58,236 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:04:58,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:04:58,237 INFO L82 PathProgramCache]: Analyzing trace with hash -1616048914, now seen corresponding path program 1 times [2020-10-28 12:04:58,237 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:04:58,237 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2101628598] [2020-10-28 12:04:58,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:04:58,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:04:58,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:04:58,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:04:59,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:04:59,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 255 [2020-10-28 12:04:59,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 12:04:59,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1166 [2020-10-28 12:04:59,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:04:59,475 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:04:59,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:04:59,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 212 [2020-10-28 12:04:59,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-28 12:04:59,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:04:59,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:04:59,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:04:59,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:04:59,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:04:59,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:04:59,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:04:59,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 12:04:59,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:04:59,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:04:59,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:04:59,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:04:59,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:04:59,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:04:59,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:04:59,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:04:59,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:04:59,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:04:59,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-28 12:04:59,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:04:59,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-28 12:04:59,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:04:59,736 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:04:59,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:04:59,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:04:59,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:04:59,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:04:59,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-28 12:04:59,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:04:59,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:04:59,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:04:59,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-28 12:04:59,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:04:59,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-10-28 12:04:59,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:04:59,917 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:04:59,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:04:59,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:04:59,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-28 12:04:59,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:05:00,017 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 67 proven. 2 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2020-10-28 12:05:00,018 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2101628598] [2020-10-28 12:05:00,018 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:05:00,018 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 12:05:00,018 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56776580] [2020-10-28 12:05:00,019 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 12:05:00,020 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:05:00,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 12:05:00,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 12:05:00,021 INFO L87 Difference]: Start difference. First operand 2793 states and 3599 transitions. Second operand 5 states. [2020-10-28 12:05:03,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:05:03,566 INFO L93 Difference]: Finished difference Result 6757 states and 8915 transitions. [2020-10-28 12:05:03,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 12:05:03,567 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 241 [2020-10-28 12:05:03,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:05:03,593 INFO L225 Difference]: With dead ends: 6757 [2020-10-28 12:05:03,593 INFO L226 Difference]: Without dead ends: 3970 [2020-10-28 12:05:03,602 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 [2020-10-28 12:05:03,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3970 states. [2020-10-28 12:05:03,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3970 to 3761. [2020-10-28 12:05:03,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3761 states. [2020-10-28 12:05:03,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3761 states to 3761 states and 4826 transitions. [2020-10-28 12:05:03,752 INFO L78 Accepts]: Start accepts. Automaton has 3761 states and 4826 transitions. Word has length 241 [2020-10-28 12:05:03,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:05:03,753 INFO L481 AbstractCegarLoop]: Abstraction has 3761 states and 4826 transitions. [2020-10-28 12:05:03,753 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 12:05:03,753 INFO L276 IsEmpty]: Start isEmpty. Operand 3761 states and 4826 transitions. [2020-10-28 12:05:03,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2020-10-28 12:05:03,760 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:05:03,760 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:05:03,761 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 12:05:03,761 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:05:03,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:05:03,761 INFO L82 PathProgramCache]: Analyzing trace with hash 1494240226, now seen corresponding path program 1 times [2020-10-28 12:05:03,762 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:05:03,762 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [195790216] [2020-10-28 12:05:03,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:05:03,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:05:03,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:05:04,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:05:04,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:05:04,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 282 [2020-10-28 12:05:04,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 12:05:04,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1042 [2020-10-28 12:05:04,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:05:04,881 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:05:04,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:05:04,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 239 [2020-10-28 12:05:04,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-28 12:05:04,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:05:05,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:05:05,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:05:05,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:05:05,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:05:05,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:05:05,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:05:05,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 12:05:05,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:05:05,055 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:05:05,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:05:05,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:05:05,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:05:05,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:05:05,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:05:05,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:05:05,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:05:05,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:05:05,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-28 12:05:05,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:05:05,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-10-28 12:05:05,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:05:05,177 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:05:05,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:05:05,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:05:05,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:05:05,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:05:05,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-28 12:05:05,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:05:05,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:05:05,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:05:05,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-28 12:05:05,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:05:05,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 127 [2020-10-28 12:05:05,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:05:05,403 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:05:05,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:05:05,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:05:05,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-28 12:05:05,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 12:05:05,529 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 67 proven. 2 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2020-10-28 12:05:05,529 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [195790216] [2020-10-28 12:05:05,529 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:05:05,530 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-28 12:05:05,530 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343699556] [2020-10-28 12:05:05,531 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 12:05:05,531 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:05:05,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 12:05:05,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-28 12:05:05,533 INFO L87 Difference]: Start difference. First operand 3761 states and 4826 transitions. Second operand 6 states. [2020-10-28 12:05:09,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:05:09,692 INFO L93 Difference]: Finished difference Result 9836 states and 13412 transitions. [2020-10-28 12:05:09,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 12:05:09,693 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 268 [2020-10-28 12:05:09,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:05:09,729 INFO L225 Difference]: With dead ends: 9836 [2020-10-28 12:05:09,729 INFO L226 Difference]: Without dead ends: 6081 [2020-10-28 12:05:09,742 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-28 12:05:09,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6081 states. [2020-10-28 12:05:09,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6081 to 6070. [2020-10-28 12:05:09,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6070 states. [2020-10-28 12:05:09,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6070 states to 6070 states and 7939 transitions. [2020-10-28 12:05:09,947 INFO L78 Accepts]: Start accepts. Automaton has 6070 states and 7939 transitions. Word has length 268 [2020-10-28 12:05:09,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:05:09,948 INFO L481 AbstractCegarLoop]: Abstraction has 6070 states and 7939 transitions. [2020-10-28 12:05:09,948 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 12:05:09,948 INFO L276 IsEmpty]: Start isEmpty. Operand 6070 states and 7939 transitions. [2020-10-28 12:05:09,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2020-10-28 12:05:09,965 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:05:09,965 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-28 12:05:09,965 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-28 12:05:09,966 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:05:09,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:05:09,966 INFO L82 PathProgramCache]: Analyzing trace with hash 2048703330, now seen corresponding path program 1 times [2020-10-28 12:05:09,967 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:05:09,968 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1516722077] [2020-10-28 12:05:09,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:05:10,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:05:10,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:05:10,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:05:13,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:05:13,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 347 [2020-10-28 12:05:13,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 12:05:13,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3001 [2020-10-28 12:05:13,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:05:13,090 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:05:13,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:05:13,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-28 12:05:13,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 177 [2020-10-28 12:05:13,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:05:13,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:05:13,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:05:13,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:05:13,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:05:13,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:05:13,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:05:13,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 12:05:13,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:05:13,253 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:05:13,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:05:13,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:05:13,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:05:13,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:05:13,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:05:13,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:05:13,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:05:13,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:05:13,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-28 12:05:13,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:05:13,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 198 [2020-10-28 12:05:13,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:05:13,506 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:05:13,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:05:13,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:05:13,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-28 12:05:13,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:05:13,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-28 12:05:13,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:05:13,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:05:14,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:05:14,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-10-28 12:05:14,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:05:14,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 387 [2020-10-28 12:05:14,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:05:14,013 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:05:14,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:05:14,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:05:14,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 177 [2020-10-28 12:05:14,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:05:14,297 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 179 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-28 12:05:14,297 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1516722077] [2020-10-28 12:05:14,298 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:05:14,298 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 12:05:14,298 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436172135] [2020-10-28 12:05:14,299 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 12:05:14,299 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:05:14,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 12:05:14,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 12:05:14,300 INFO L87 Difference]: Start difference. First operand 6070 states and 7939 transitions. Second operand 7 states. [2020-10-28 12:05:17,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:05:17,867 INFO L93 Difference]: Finished difference Result 13721 states and 18324 transitions. [2020-10-28 12:05:17,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 12:05:17,868 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 333 [2020-10-28 12:05:17,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:05:17,911 INFO L225 Difference]: With dead ends: 13721 [2020-10-28 12:05:17,912 INFO L226 Difference]: Without dead ends: 7657 [2020-10-28 12:05:17,931 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-28 12:05:17,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7657 states. [2020-10-28 12:05:18,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7657 to 7631. [2020-10-28 12:05:18,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7631 states. [2020-10-28 12:05:18,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7631 states to 7631 states and 9898 transitions. [2020-10-28 12:05:18,155 INFO L78 Accepts]: Start accepts. Automaton has 7631 states and 9898 transitions. Word has length 333 [2020-10-28 12:05:18,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:05:18,156 INFO L481 AbstractCegarLoop]: Abstraction has 7631 states and 9898 transitions. [2020-10-28 12:05:18,156 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 12:05:18,156 INFO L276 IsEmpty]: Start isEmpty. Operand 7631 states and 9898 transitions. [2020-10-28 12:05:18,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2020-10-28 12:05:18,173 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:05:18,173 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:05:18,174 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-28 12:05:18,174 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:05:18,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:05:18,175 INFO L82 PathProgramCache]: Analyzing trace with hash 1657932809, now seen corresponding path program 1 times [2020-10-28 12:05:18,175 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:05:18,175 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [953909213] [2020-10-28 12:05:18,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:05:18,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:05:18,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:05:18,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:05:18,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:05:19,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:05:23,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:05:23,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 363 [2020-10-28 12:05:23,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 12:05:23,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-28 12:05:23,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:05:23,276 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:05:23,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:05:23,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 211 [2020-10-28 12:05:23,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-28 12:05:23,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:05:23,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:05:23,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:05:23,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:05:23,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:05:23,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:05:23,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:05:23,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 12:05:23,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:05:23,449 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:05:23,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:05:23,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:05:23,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:05:23,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:05:23,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:05:23,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:05:23,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:05:23,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:05:23,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-28 12:05:23,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:05:23,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-28 12:05:23,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:05:23,534 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:05:23,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:05:23,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:05:23,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:05:23,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:05:23,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-28 12:05:23,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:05:23,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:05:23,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:05:23,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-28 12:05:23,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:05:23,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-10-28 12:05:23,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:05:23,691 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:05:23,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:05:23,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:05:23,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-28 12:05:23,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:05:23,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2020-10-28 12:05:23,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:05:23,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:05:23,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:05:23,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-28 12:05:23,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:05:23,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 195 [2020-10-28 12:05:23,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:05:23,943 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:05:23,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:05:23,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:05:23,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-10-28 12:05:23,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:05:24,164 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 278 proven. 2 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2020-10-28 12:05:24,164 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [953909213] [2020-10-28 12:05:24,165 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:05:24,165 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 12:05:24,165 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218507512] [2020-10-28 12:05:24,166 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 12:05:24,166 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:05:24,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 12:05:24,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 12:05:24,167 INFO L87 Difference]: Start difference. First operand 7631 states and 9898 transitions. Second operand 7 states. [2020-10-28 12:05:27,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:05:27,648 INFO L93 Difference]: Finished difference Result 15552 states and 21228 transitions. [2020-10-28 12:05:27,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 12:05:27,649 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 347 [2020-10-28 12:05:27,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:05:27,690 INFO L225 Difference]: With dead ends: 15552 [2020-10-28 12:05:27,690 INFO L226 Difference]: Without dead ends: 7927 [2020-10-28 12:05:27,713 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-28 12:05:27,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7927 states. [2020-10-28 12:05:27,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7927 to 6674. [2020-10-28 12:05:27,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6674 states. [2020-10-28 12:05:27,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6674 states to 6674 states and 8619 transitions. [2020-10-28 12:05:27,965 INFO L78 Accepts]: Start accepts. Automaton has 6674 states and 8619 transitions. Word has length 347 [2020-10-28 12:05:27,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:05:27,965 INFO L481 AbstractCegarLoop]: Abstraction has 6674 states and 8619 transitions. [2020-10-28 12:05:27,966 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 12:05:27,966 INFO L276 IsEmpty]: Start isEmpty. Operand 6674 states and 8619 transitions. [2020-10-28 12:05:27,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 418 [2020-10-28 12:05:27,989 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:05:27,990 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:05:27,990 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-28 12:05:27,990 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:05:27,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:05:27,991 INFO L82 PathProgramCache]: Analyzing trace with hash 145959498, now seen corresponding path program 1 times [2020-10-28 12:05:27,991 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:05:27,991 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1949500359] [2020-10-28 12:05:27,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:05:28,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:05:28,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:05:28,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:05:29,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:05:32,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:05:32,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:05:32,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 433 [2020-10-28 12:05:32,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 12:05:32,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4570 [2020-10-28 12:05:32,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:05:32,727 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:05:32,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 12:05:32,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 281 [2020-10-28 12:05:32,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 148 [2020-10-28 12:05:32,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:05:32,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:05:32,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:05:32,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:05:32,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:05:32,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:05:32,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:05:32,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 12:05:32,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:05:32,921 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:05:32,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:05:32,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:05:32,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:05:32,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:05:32,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:05:32,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:05:32,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:05:33,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:05:33,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-28 12:05:33,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:05:33,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-28 12:05:33,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:05:33,011 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:05:33,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:05:33,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:05:33,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:05:33,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:05:33,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-28 12:05:33,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:05:33,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:05:33,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:05:33,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 139 [2020-10-28 12:05:33,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:05:33,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 163 [2020-10-28 12:05:33,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:05:33,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:05:33,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:05:33,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:05:33,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-28 12:05:33,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:05:33,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2020-10-28 12:05:33,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:05:33,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:05:33,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:05:33,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:05:33,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-28 12:05:33,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 12:05:33,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 162 [2020-10-28 12:05:33,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:05:33,595 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:05:33,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:05:33,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:05:33,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-10-28 12:05:33,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:05:33,831 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 105 proven. 3 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2020-10-28 12:05:33,831 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1949500359] [2020-10-28 12:05:33,831 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:05:33,832 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 12:05:33,832 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970789988] [2020-10-28 12:05:33,833 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 12:05:33,833 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:05:33,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 12:05:33,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 12:05:33,834 INFO L87 Difference]: Start difference. First operand 6674 states and 8619 transitions. Second operand 5 states. [2020-10-28 12:05:36,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:05:36,970 INFO L93 Difference]: Finished difference Result 13355 states and 17253 transitions. [2020-10-28 12:05:36,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 12:05:36,977 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 417 [2020-10-28 12:05:36,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:05:36,978 INFO L225 Difference]: With dead ends: 13355 [2020-10-28 12:05:36,978 INFO L226 Difference]: Without dead ends: 0 [2020-10-28 12:05:37,004 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 9 SyntacticMatches, 4 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 12:05:37,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-28 12:05:37,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-28 12:05:37,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-28 12:05:37,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-28 12:05:37,005 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 417 [2020-10-28 12:05:37,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:05:37,005 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-28 12:05:37,005 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 12:05:37,005 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-28 12:05:37,006 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-28 12:05:37,006 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-28 12:05:37,008 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-28 12:05:37,729 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 27 [2020-10-28 12:05:37,900 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 27 [2020-10-28 12:05:38,145 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 26 [2020-10-28 12:05:39,066 WARN L193 SmtUtils]: Spent 909.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 49 [2020-10-28 12:05:39,571 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 30 [2020-10-28 12:05:39,576 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-28 12:05:39,576 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-28 12:05:39,576 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-28 12:05:39,576 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-28 12:05:39,577 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-28 12:05:39,578 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)|)) [2020-10-28 12:05:39,578 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-28 12:05:39,578 INFO L274 CegarLoopResult]: For program point L960(lines 960 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,578 INFO L274 CegarLoopResult]: For program point L696(lines 696 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,578 INFO L274 CegarLoopResult]: For program point L630(lines 630 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,578 INFO L274 CegarLoopResult]: For program point L895(lines 895 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,578 INFO L274 CegarLoopResult]: For program point L697(lines 697 707) no Hoare annotation was computed. [2020-10-28 12:05:39,579 INFO L274 CegarLoopResult]: For program point L697-2(lines 697 707) no Hoare annotation was computed. [2020-10-28 12:05:39,579 INFO L274 CegarLoopResult]: For program point L367(lines 367 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,579 INFO L274 CegarLoopResult]: For program point L301(lines 301 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,579 INFO L274 CegarLoopResult]: For program point L235(lines 235 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,580 INFO L274 CegarLoopResult]: For program point L169-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:05:39,580 INFO L274 CegarLoopResult]: For program point L103-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:05:39,580 INFO L274 CegarLoopResult]: For program point L37-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:05:39,580 INFO L274 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-10-28 12:05:39,580 INFO L274 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-10-28 12:05:39,580 INFO L274 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-10-28 12:05:39,580 INFO L274 CegarLoopResult]: For program point L568(lines 568 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,580 INFO L274 CegarLoopResult]: For program point L502(lines 502 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,580 INFO L274 CegarLoopResult]: For program point L172-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:05:39,580 INFO L274 CegarLoopResult]: For program point L106-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:05:39,581 INFO L274 CegarLoopResult]: For program point L40-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:05:39,581 INFO L274 CegarLoopResult]: For program point L965(lines 965 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,581 INFO L274 CegarLoopResult]: For program point L833(lines 833 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,581 INFO L274 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-10-28 12:05:39,581 INFO L274 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-10-28 12:05:39,581 INFO L274 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-10-28 12:05:39,581 INFO L274 CegarLoopResult]: For program point L900(lines 900 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,581 INFO L274 CegarLoopResult]: For program point L438(lines 438 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,581 INFO L274 CegarLoopResult]: For program point L372(lines 372 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,581 INFO L274 CegarLoopResult]: For program point L637(lines 637 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,582 INFO L274 CegarLoopResult]: For program point L307(lines 307 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,582 INFO L274 CegarLoopResult]: For program point L175-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:05:39,582 INFO L274 CegarLoopResult]: For program point L109-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:05:39,582 INFO L274 CegarLoopResult]: For program point L43-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:05:39,582 INFO L274 CegarLoopResult]: For program point L242(lines 242 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,582 INFO L274 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-10-28 12:05:39,582 INFO L270 CegarLoopResult]: At program point L110(line 110) the Hoare annotation is: (and (not (<= |old(~a25~0)| 10)) (not (<= 180 |old(~a23~0)|)) (or (not (= 12 |old(~a25~0)|)) (not (<= 97 |old(~a23~0)|))) (not (< 1 |old(~a4~0)|)) (not (<= |old(~a29~0)| 274)) (not (= 11 |old(~a25~0)|)) (not (<= |old(~a4~0)| 0))) [2020-10-28 12:05:39,582 INFO L274 CegarLoopResult]: For program point L110-1(line 110) no Hoare annotation was computed. [2020-10-28 12:05:39,583 INFO L274 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-10-28 12:05:39,583 INFO L274 CegarLoopResult]: For program point L771(lines 771 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,583 INFO L274 CegarLoopResult]: For program point L838(lines 838 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,583 INFO L274 CegarLoopResult]: For program point L574(lines 574 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,583 INFO L274 CegarLoopResult]: For program point L178-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:05:39,583 INFO L274 CegarLoopResult]: For program point L112-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:05:39,583 INFO L274 CegarLoopResult]: For program point L46-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:05:39,583 INFO L274 CegarLoopResult]: For program point L971(lines 971 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,583 INFO L274 CegarLoopResult]: For program point L905(lines 905 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,583 INFO L274 CegarLoopResult]: For program point L509(lines 509 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,584 INFO L274 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-10-28 12:05:39,584 INFO L274 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-10-28 12:05:39,584 INFO L274 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-10-28 12:05:39,584 INFO L274 CegarLoopResult]: For program point L972(lines 972 982) no Hoare annotation was computed. [2020-10-28 12:05:39,584 INFO L274 CegarLoopResult]: For program point L906(lines 906 916) no Hoare annotation was computed. [2020-10-28 12:05:39,584 INFO L274 CegarLoopResult]: For program point L972-2(lines 972 982) no Hoare annotation was computed. [2020-10-28 12:05:39,584 INFO L274 CegarLoopResult]: For program point L906-2(lines 906 916) no Hoare annotation was computed. [2020-10-28 12:05:39,584 INFO L274 CegarLoopResult]: For program point L708(lines 708 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,584 INFO L274 CegarLoopResult]: For program point L312(lines 312 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,584 INFO L274 CegarLoopResult]: For program point L577(lines 577 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,585 INFO L274 CegarLoopResult]: For program point L445(lines 445 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,585 INFO L274 CegarLoopResult]: For program point L379(lines 379 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,585 INFO L274 CegarLoopResult]: For program point L181-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:05:39,585 INFO L274 CegarLoopResult]: For program point L115-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:05:39,585 INFO L274 CegarLoopResult]: For program point L49-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:05:39,585 INFO L274 CegarLoopResult]: For program point L776(lines 776 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,587 INFO L274 CegarLoopResult]: For program point L644(lines 644 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,587 INFO L274 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-10-28 12:05:39,588 INFO L274 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-10-28 12:05:39,588 INFO L274 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-10-28 12:05:39,588 INFO L274 CegarLoopResult]: For program point L843(lines 843 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,589 INFO L274 CegarLoopResult]: For program point L249(lines 249 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,589 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:05:39,589 INFO L274 CegarLoopResult]: For program point L184-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:05:39,589 INFO L274 CegarLoopResult]: For program point L118-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:05:39,589 INFO L274 CegarLoopResult]: For program point L52-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:05:39,589 INFO L274 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-10-28 12:05:39,589 INFO L274 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-10-28 12:05:39,589 INFO L274 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-10-28 12:05:39,589 INFO L274 CegarLoopResult]: For program point L714(lines 714 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,590 INFO L274 CegarLoopResult]: For program point L516(lines 516 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,590 INFO L274 CegarLoopResult]: For program point L649(lines 649 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,590 INFO L274 CegarLoopResult]: For program point L583(lines 583 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,590 INFO L274 CegarLoopResult]: For program point L517(lines 517 527) no Hoare annotation was computed. [2020-10-28 12:05:39,590 INFO L274 CegarLoopResult]: For program point L517-2(lines 517 527) no Hoare annotation was computed. [2020-10-28 12:05:39,590 INFO L274 CegarLoopResult]: For program point L319(lines 319 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,590 INFO L274 CegarLoopResult]: For program point L187-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:05:39,590 INFO L274 CegarLoopResult]: For program point L121-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:05:39,590 INFO L274 CegarLoopResult]: For program point L55-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:05:39,590 INFO L274 CegarLoopResult]: For program point L848(lines 848 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,590 INFO L274 CegarLoopResult]: For program point L782(lines 782 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,591 INFO L274 CegarLoopResult]: For program point L650(lines 650 659) no Hoare annotation was computed. [2020-10-28 12:05:39,591 INFO L274 CegarLoopResult]: For program point L650-2(lines 650 659) no Hoare annotation was computed. [2020-10-28 12:05:39,591 INFO L274 CegarLoopResult]: For program point L452(lines 452 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,591 INFO L274 CegarLoopResult]: For program point L386(lines 386 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,591 INFO L274 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-10-28 12:05:39,591 INFO L274 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-10-28 12:05:39,591 INFO L274 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-10-28 12:05:39,591 INFO L274 CegarLoopResult]: For program point L256(lines 256 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,591 INFO L274 CegarLoopResult]: For program point L190-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:05:39,591 INFO L274 CegarLoopResult]: For program point L124-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:05:39,591 INFO L274 CegarLoopResult]: For program point L58-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:05:39,591 INFO L274 CegarLoopResult]: For program point L983(lines 983 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,592 INFO L274 CegarLoopResult]: For program point L917(lines 917 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,592 INFO L274 CegarLoopResult]: For program point L719(lines 719 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,592 INFO L274 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-10-28 12:05:39,592 INFO L274 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-10-28 12:05:39,592 INFO L274 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-10-28 12:05:39,592 INFO L274 CegarLoopResult]: For program point L918(lines 918 928) no Hoare annotation was computed. [2020-10-28 12:05:39,592 INFO L274 CegarLoopResult]: For program point L918-2(lines 918 928) no Hoare annotation was computed. [2020-10-28 12:05:39,592 INFO L274 CegarLoopResult]: For program point L720(lines 720 732) no Hoare annotation was computed. [2020-10-28 12:05:39,593 INFO L274 CegarLoopResult]: For program point L720-2(lines 720 732) no Hoare annotation was computed. [2020-10-28 12:05:39,593 INFO L274 CegarLoopResult]: For program point L588(lines 588 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,593 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 24 1028) the Hoare annotation is: (let ((.cse1 (= ~a23~0 |old(~a23~0)|)) (.cse2 (= ~a29~0 |old(~a29~0)|)) (.cse3 (= ~a4~0 |old(~a4~0)|))) (let ((.cse0 (and (= ~a25~0 |old(~a25~0)|) .cse1 .cse2 .cse3))) (and (or (not (<= 180 |old(~a23~0)|)) .cse0) (or (not (<= |old(~a29~0)| 274)) .cse0) (or (and (not (< 1 |old(~a4~0)|)) (not (<= |old(~a4~0)| 0))) .cse0) (or (not (<= |old(~a25~0)| 10)) .cse0) (or (and .cse1 .cse2 (= ~a25~0 12) .cse3) (not (= 12 |old(~a25~0)|)) (not (<= 97 |old(~a23~0)|))) (or .cse0 (not (= 11 |old(~a25~0)|)))))) [2020-10-28 12:05:39,593 INFO L274 CegarLoopResult]: For program point L324(lines 324 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,593 INFO L274 CegarLoopResult]: For program point L589(lines 589 599) no Hoare annotation was computed. [2020-10-28 12:05:39,593 INFO L274 CegarLoopResult]: For program point L589-2(lines 589 599) no Hoare annotation was computed. [2020-10-28 12:05:39,593 INFO L274 CegarLoopResult]: For program point L193-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:05:39,593 INFO L274 CegarLoopResult]: For program point L127-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:05:39,594 INFO L274 CegarLoopResult]: For program point L61-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:05:39,594 INFO L274 CegarLoopResult]: For program point L854(lines 854 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,594 INFO L274 CegarLoopResult]: For program point L458(lines 458 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,594 INFO L274 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-10-28 12:05:39,594 INFO L274 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-10-28 12:05:39,594 INFO L274 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-10-28 12:05:39,594 INFO L274 CegarLoopResult]: For program point L789(lines 789 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,594 INFO L274 CegarLoopResult]: For program point L393(lines 393 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,594 INFO L274 CegarLoopResult]: For program point L262(lines 262 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,594 INFO L274 CegarLoopResult]: For program point L196-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:05:39,594 INFO L274 CegarLoopResult]: For program point L130-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:05:39,595 INFO L274 CegarLoopResult]: For program point L64-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:05:39,595 INFO L274 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-10-28 12:05:39,595 INFO L274 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-10-28 12:05:39,595 INFO L274 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-10-28 12:05:39,595 INFO L274 CegarLoopResult]: For program point L990(lines 990 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,595 INFO L274 CegarLoopResult]: For program point L660(lines 660 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,595 INFO L274 CegarLoopResult]: For program point L528(lines 528 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,595 INFO L274 CegarLoopResult]: For program point L331(lines 331 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,595 INFO L274 CegarLoopResult]: For program point L199-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:05:39,595 INFO L274 CegarLoopResult]: For program point L133-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:05:39,595 INFO L274 CegarLoopResult]: For program point L67-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:05:39,596 INFO L274 CegarLoopResult]: For program point L794(lines 794 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,596 INFO L274 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-10-28 12:05:39,596 INFO L274 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-10-28 12:05:39,596 INFO L274 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-10-28 12:05:39,596 INFO L274 CegarLoopResult]: For program point L861(lines 861 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,596 INFO L274 CegarLoopResult]: For program point L465(lines 465 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,596 INFO L274 CegarLoopResult]: For program point L267(lines 267 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,596 INFO L274 CegarLoopResult]: For program point L400(lines 400 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,596 INFO L274 CegarLoopResult]: For program point L202-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:05:39,597 INFO L274 CegarLoopResult]: For program point L136-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:05:39,597 INFO L274 CegarLoopResult]: For program point L70-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:05:39,597 INFO L274 CegarLoopResult]: For program point L995(lines 995 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,597 INFO L274 CegarLoopResult]: For program point L929(lines 929 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,597 INFO L274 CegarLoopResult]: For program point L665(lines 665 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,597 INFO L274 CegarLoopResult]: For program point L533(lines 533 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,597 INFO L274 CegarLoopResult]: For program point L401(lines 401 412) no Hoare annotation was computed. [2020-10-28 12:05:39,597 INFO L274 CegarLoopResult]: For program point L401-2(lines 401 412) no Hoare annotation was computed. [2020-10-28 12:05:39,597 INFO L274 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-10-28 12:05:39,597 INFO L274 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-10-28 12:05:39,597 INFO L274 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-10-28 12:05:39,598 INFO L274 CegarLoopResult]: For program point L600(lines 600 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,598 INFO L274 CegarLoopResult]: For program point L336(lines 336 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,598 INFO L274 CegarLoopResult]: For program point L270(lines 270 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,598 INFO L274 CegarLoopResult]: For program point L733(lines 733 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,598 INFO L274 CegarLoopResult]: For program point L205-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:05:39,598 INFO L274 CegarLoopResult]: For program point L139-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:05:39,598 INFO L274 CegarLoopResult]: For program point L73-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:05:39,598 INFO L274 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-10-28 12:05:39,598 INFO L274 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-10-28 12:05:39,598 INFO L274 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-10-28 12:05:39,599 INFO L274 CegarLoopResult]: For program point L867(lines 867 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,599 INFO L274 CegarLoopResult]: For program point L801(lines 801 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,599 INFO L274 CegarLoopResult]: For program point L934(lines 934 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,599 INFO L274 CegarLoopResult]: For program point L868(lines 868 877) no Hoare annotation was computed. [2020-10-28 12:05:39,599 INFO L274 CegarLoopResult]: For program point L868-2(lines 868 877) no Hoare annotation was computed. [2020-10-28 12:05:39,599 INFO L274 CegarLoopResult]: For program point L472(lines 472 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,599 INFO L274 CegarLoopResult]: For program point L142-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:05:39,599 INFO L274 CegarLoopResult]: For program point L76-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:05:39,599 INFO L274 CegarLoopResult]: For program point L605(lines 605 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,599 INFO L274 CegarLoopResult]: For program point L539(lines 539 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,599 INFO L274 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-10-28 12:05:39,600 INFO L274 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-10-28 12:05:39,600 INFO L274 CegarLoopResult]: For program point L1002(lines 1002 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,600 INFO L274 CegarLoopResult]: For program point L672(lines 672 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,600 INFO L274 CegarLoopResult]: For program point L606(lines 606 616) no Hoare annotation was computed. [2020-10-28 12:05:39,600 INFO L274 CegarLoopResult]: For program point L606-2(lines 606 616) no Hoare annotation was computed. [2020-10-28 12:05:39,600 INFO L274 CegarLoopResult]: For program point L342(lines 342 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,600 INFO L274 CegarLoopResult]: For program point L277(lines 277 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,600 INFO L274 CegarLoopResult]: For program point L145-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:05:39,600 INFO L274 CegarLoopResult]: For program point L79-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:05:39,600 INFO L274 CegarLoopResult]: For program point L806(lines 806 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,600 INFO L274 CegarLoopResult]: For program point L740(lines 740 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,601 INFO L274 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-10-28 12:05:39,601 INFO L274 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-10-28 12:05:39,601 INFO L274 CegarLoopResult]: For program point L807(lines 807 817) no Hoare annotation was computed. [2020-10-28 12:05:39,601 INFO L274 CegarLoopResult]: For program point L807-2(lines 807 817) no Hoare annotation was computed. [2020-10-28 12:05:39,601 INFO L274 CegarLoopResult]: For program point L544(lines 544 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,601 INFO L274 CegarLoopResult]: For program point L148-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:05:39,601 INFO L274 CegarLoopResult]: For program point L82-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:05:39,601 INFO L274 CegarLoopResult]: For program point L1007(lines 1007 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,601 INFO L274 CegarLoopResult]: For program point L941(lines 941 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,601 INFO L274 CegarLoopResult]: For program point L677(lines 677 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,601 INFO L274 CegarLoopResult]: For program point L479(lines 479 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,601 INFO L274 CegarLoopResult]: For program point L413(lines 413 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,602 INFO L274 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-10-28 12:05:39,602 INFO L274 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-10-28 12:05:39,602 INFO L274 CegarLoopResult]: For program point L942(lines 942 954) no Hoare annotation was computed. [2020-10-28 12:05:39,602 INFO L274 CegarLoopResult]: For program point L942-2(lines 942 954) no Hoare annotation was computed. [2020-10-28 12:05:39,602 INFO L274 CegarLoopResult]: For program point L480(lines 480 488) no Hoare annotation was computed. [2020-10-28 12:05:39,602 INFO L274 CegarLoopResult]: For program point L480-2(lines 480 488) no Hoare annotation was computed. [2020-10-28 12:05:39,602 INFO L274 CegarLoopResult]: For program point L348(lines 348 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,602 INFO L274 CegarLoopResult]: For program point L282(lines 282 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,603 INFO L274 CegarLoopResult]: For program point L216(lines 216 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,603 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:05:39,603 INFO L274 CegarLoopResult]: For program point L745(lines 745 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,603 INFO L274 CegarLoopResult]: For program point L151-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:05:39,603 INFO L274 CegarLoopResult]: For program point L85-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:05:39,603 INFO L274 CegarLoopResult]: For program point L878(lines 878 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,603 INFO L274 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-10-28 12:05:39,603 INFO L274 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-10-28 12:05:39,603 INFO L274 CegarLoopResult]: For program point L154-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:05:39,603 INFO L274 CegarLoopResult]: For program point L88-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:05:39,604 INFO L274 CegarLoopResult]: For program point L683(lines 683 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,604 INFO L274 CegarLoopResult]: For program point L617(lines 617 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,604 INFO L274 CegarLoopResult]: For program point L551(lines 551 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,604 INFO L274 CegarLoopResult]: For program point L419(lines 419 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,604 INFO L274 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-10-28 12:05:39,604 INFO L274 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-10-28 12:05:39,604 INFO L274 CegarLoopResult]: For program point L1014(lines 1014 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,604 INFO L274 CegarLoopResult]: For program point L883(lines 883 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,604 INFO L274 CegarLoopResult]: For program point L355(lines 355 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,604 INFO L274 CegarLoopResult]: For program point L289(lines 289 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,604 INFO L274 CegarLoopResult]: For program point L223(lines 223 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,605 INFO L274 CegarLoopResult]: For program point L157-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:05:39,605 INFO L274 CegarLoopResult]: For program point L91-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:05:39,605 INFO L274 CegarLoopResult]: For program point L25(lines 25 27) no Hoare annotation was computed. [2020-10-28 12:05:39,605 INFO L274 CegarLoopResult]: For program point L25-2(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:05:39,605 INFO L274 CegarLoopResult]: For program point L818(lines 818 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,606 INFO L274 CegarLoopResult]: For program point L752(lines 752 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,606 INFO L274 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-10-28 12:05:39,607 INFO L274 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-10-28 12:05:39,607 INFO L274 CegarLoopResult]: For program point L26(line 26) no Hoare annotation was computed. [2020-10-28 12:05:39,608 INFO L274 CegarLoopResult]: For program point L489(lines 489 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,608 INFO L274 CegarLoopResult]: For program point L490(lines 490 501) no Hoare annotation was computed. [2020-10-28 12:05:39,608 INFO L274 CegarLoopResult]: For program point L424(lines 424 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,608 INFO L274 CegarLoopResult]: For program point L490-2(lines 490 501) no Hoare annotation was computed. [2020-10-28 12:05:39,608 INFO L274 CegarLoopResult]: For program point L160-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:05:39,608 INFO L274 CegarLoopResult]: For program point L94-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:05:39,608 INFO L274 CegarLoopResult]: For program point L28-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:05:39,608 INFO L274 CegarLoopResult]: For program point L1019(lines 1019 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,610 INFO L274 CegarLoopResult]: For program point L623(lines 623 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,610 INFO L274 CegarLoopResult]: For program point L557(lines 557 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,610 INFO L274 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-10-28 12:05:39,611 INFO L274 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-10-28 12:05:39,611 INFO L274 CegarLoopResult]: For program point L29(line 29) no Hoare annotation was computed. [2020-10-28 12:05:39,611 INFO L274 CegarLoopResult]: For program point L888(lines 888 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,611 INFO L274 CegarLoopResult]: For program point L690(lines 690 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,611 INFO L274 CegarLoopResult]: For program point L360(lines 360 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,611 INFO L274 CegarLoopResult]: For program point L955(lines 955 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,611 INFO L274 CegarLoopResult]: For program point L229(lines 229 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,611 INFO L274 CegarLoopResult]: For program point L163-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:05:39,611 INFO L274 CegarLoopResult]: For program point L97-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:05:39,612 INFO L274 CegarLoopResult]: For program point L31-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:05:39,612 INFO L274 CegarLoopResult]: For program point L824(lines 824 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,612 INFO L274 CegarLoopResult]: For program point L296(lines 296 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,612 INFO L274 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-10-28 12:05:39,612 INFO L274 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-10-28 12:05:39,612 INFO L274 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2020-10-28 12:05:39,612 INFO L274 CegarLoopResult]: For program point L759(lines 759 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,612 INFO L274 CegarLoopResult]: For program point L760(lines 760 770) no Hoare annotation was computed. [2020-10-28 12:05:39,612 INFO L274 CegarLoopResult]: For program point L760-2(lines 760 770) no Hoare annotation was computed. [2020-10-28 12:05:39,612 INFO L274 CegarLoopResult]: For program point L166-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:05:39,612 INFO L274 CegarLoopResult]: For program point L100-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:05:39,613 INFO L274 CegarLoopResult]: For program point L34-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:05:39,613 INFO L274 CegarLoopResult]: For program point L827(lines 827 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,613 INFO L274 CegarLoopResult]: For program point L563(lines 563 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,613 INFO L274 CegarLoopResult]: For program point L431(lines 431 1026) no Hoare annotation was computed. [2020-10-28 12:05:39,613 INFO L274 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-10-28 12:05:39,613 INFO L274 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-10-28 12:05:39,613 INFO L274 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-10-28 12:05:39,613 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-28 12:05:39,613 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a25~0 10) (<= 312 ~a23~0) (<= ~a29~0 130) (= ~a4~0 1)) [2020-10-28 12:05:39,613 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-28 12:05:39,614 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-28 12:05:39,614 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 1030 1046) the Hoare annotation is: (or (not (= |old(~a4~0)| 1)) (not (<= |old(~a25~0)| 10)) (and (= ~a25~0 |old(~a25~0)|) (= ~a23~0 |old(~a23~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a4~0 1)) (not (<= |old(~a29~0)| 130)) (not (<= 312 |old(~a23~0)|))) [2020-10-28 12:05:39,614 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 1030 1046) no Hoare annotation was computed. [2020-10-28 12:05:39,614 INFO L270 CegarLoopResult]: At program point L1044(line 1044) the Hoare annotation is: (or (not (= |old(~a4~0)| 1)) (not (<= |old(~a25~0)| 10)) (= ~a25~0 11) (<= ~a25~0 10) (<= ~a4~0 0) (< 1 ~a4~0) (<= 180 ~a23~0) (and (<= 97 ~a23~0) (= ~a25~0 12)) (<= ~a29~0 274) (not (<= 312 |old(~a23~0)|)) (not (<= |old(~a29~0)| 130))) [2020-10-28 12:05:39,614 INFO L274 CegarLoopResult]: For program point L1044-1(line 1044) no Hoare annotation was computed. [2020-10-28 12:05:39,614 INFO L274 CegarLoopResult]: For program point L1041(line 1041) no Hoare annotation was computed. [2020-10-28 12:05:39,614 INFO L270 CegarLoopResult]: At program point L1036-2(lines 1036 1045) the Hoare annotation is: (or (not (= |old(~a4~0)| 1)) (not (<= |old(~a25~0)| 10)) (= ~a25~0 11) (<= ~a25~0 10) (<= ~a4~0 0) (< 1 ~a4~0) (<= 180 ~a23~0) (and (<= 97 ~a23~0) (= ~a25~0 12)) (<= ~a29~0 274) (not (<= 312 |old(~a23~0)|)) (not (<= |old(~a29~0)| 130))) [2020-10-28 12:05:39,614 INFO L274 CegarLoopResult]: For program point L1036-3(lines 1030 1046) no Hoare annotation was computed. [2020-10-28 12:05:39,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 12:05:39 BoogieIcfgContainer [2020-10-28 12:05:39,639 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 12:05:39,641 INFO L168 Benchmark]: Toolchain (without parser) took 73532.47 ms. Allocated memory was 151.0 MB in the beginning and 1.1 GB in the end (delta: 979.4 MB). Free memory was 124.2 MB in the beginning and 657.2 MB in the end (delta: -533.0 MB). Peak memory consumption was 448.1 MB. Max. memory is 8.0 GB. [2020-10-28 12:05:39,642 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 125.8 MB. Free memory was 103.6 MB in the beginning and 103.5 MB in the end (delta: 131.1 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 12:05:39,643 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1011.30 ms. Allocated memory is still 151.0 MB. Free memory was 123.6 MB in the beginning and 109.7 MB in the end (delta: 13.9 MB). Peak memory consumption was 27.8 MB. Max. memory is 8.0 GB. [2020-10-28 12:05:39,649 INFO L168 Benchmark]: Boogie Preprocessor took 212.49 ms. Allocated memory is still 151.0 MB. Free memory was 109.7 MB in the beginning and 102.3 MB in the end (delta: 7.4 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. [2020-10-28 12:05:39,650 INFO L168 Benchmark]: RCFGBuilder took 2079.50 ms. Allocated memory was 151.0 MB in the beginning and 181.4 MB in the end (delta: 30.4 MB). Free memory was 101.9 MB in the beginning and 113.3 MB in the end (delta: -11.5 MB). Peak memory consumption was 41.7 MB. Max. memory is 8.0 GB. [2020-10-28 12:05:39,654 INFO L168 Benchmark]: TraceAbstraction took 70216.90 ms. Allocated memory was 181.4 MB in the beginning and 1.1 GB in the end (delta: 949.0 MB). Free memory was 112.8 MB in the beginning and 657.2 MB in the end (delta: -544.4 MB). Peak memory consumption was 404.0 MB. Max. memory is 8.0 GB. [2020-10-28 12:05:39,663 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 125.8 MB. Free memory was 103.6 MB in the beginning and 103.5 MB in the end (delta: 131.1 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 1011.30 ms. Allocated memory is still 151.0 MB. Free memory was 123.6 MB in the beginning and 109.7 MB in the end (delta: 13.9 MB). Peak memory consumption was 27.8 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 212.49 ms. Allocated memory is still 151.0 MB. Free memory was 109.7 MB in the beginning and 102.3 MB in the end (delta: 7.4 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. * RCFGBuilder took 2079.50 ms. Allocated memory was 151.0 MB in the beginning and 181.4 MB in the end (delta: 30.4 MB). Free memory was 101.9 MB in the beginning and 113.3 MB in the end (delta: -11.5 MB). Peak memory consumption was 41.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 70216.90 ms. Allocated memory was 181.4 MB in the beginning and 1.1 GB in the end (delta: 949.0 MB). Free memory was 112.8 MB in the beginning and 657.2 MB in the end (delta: -544.4 MB). Peak memory consumption was 404.0 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1036]: Loop Invariant Derived loop invariant: (((((((((!(\old(a4) == 1) || !(\old(a25) <= 10)) || a25 == 11) || a25 <= 10) || a4 <= 0) || 1 < a4) || 180 <= a23) || (97 <= a23 && a25 == 12)) || a29 <= 274) || !(312 <= \old(a23))) || !(\old(a29) <= 130) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 296 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 67.5s, OverallIterations: 10, TraceHistogramMax: 4, AutomataDifference: 35.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 466 SDtfs, 6323 SDslu, 796 SDs, 0 SdLazy, 12592 SolverSat, 2089 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 25.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 146 GetRequests, 70 SyntacticMatches, 5 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7631occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 1781 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 402 PreInvPairs, 472 NumberOfFragments, 348 HoareAnnotationTreeSize, 402 FomulaSimplifications, 61000 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 9 FomulaSimplificationsInter, 4577 FormulaSimplificationTreeSizeReductionInter, 1.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 29.0s InterpolantComputationTime, 2276 NumberOfCodeBlocks, 2276 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 2266 ConstructedInterpolants, 0 QuantifiedInterpolants, 1411156 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 3 PerfectInterpolantSequences, 1518/1532 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...