/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label18.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 15:31:58,498 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 15:31:58,501 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 15:31:58,550 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 15:31:58,552 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 15:31:58,560 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 15:31:58,562 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 15:31:58,567 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 15:31:58,571 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 15:31:58,577 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 15:31:58,578 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 15:31:58,580 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 15:31:58,581 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 15:31:58,584 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 15:31:58,588 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 15:31:58,591 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 15:31:58,592 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 15:31:58,596 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 15:31:58,604 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 15:31:58,613 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 15:31:58,615 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 15:31:58,616 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 15:31:58,618 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 15:31:58,621 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 15:31:58,631 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 15:31:58,631 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 15:31:58,632 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 15:31:58,634 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 15:31:58,635 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 15:31:58,636 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 15:31:58,637 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 15:31:58,637 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 15:31:58,640 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 15:31:58,641 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 15:31:58,642 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 15:31:58,643 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 15:31:58,644 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 15:31:58,644 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 15:31:58,645 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 15:31:58,646 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 15:31:58,647 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 15:31:58,655 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 15:31:58,710 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 15:31:58,711 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 15:31:58,715 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 15:31:58,716 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 15:31:58,716 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 15:31:58,716 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 15:31:58,716 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 15:31:58,717 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 15:31:58,717 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 15:31:58,717 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 15:31:58,718 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 15:31:58,718 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 15:31:58,718 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 15:31:58,719 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 15:31:58,719 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 15:31:58,719 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 15:31:58,719 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 15:31:58,719 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 15:31:58,720 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 15:31:58,720 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 15:31:58,720 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 15:31:58,720 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 15:31:58,720 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 15:31:58,721 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 15:31:58,721 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 15:31:58,721 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 15:31:58,721 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 15:31:58,721 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 15:31:58,721 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 15:31:58,722 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 15:31:59,128 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 15:31:59,156 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 15:31:59,160 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 15:31:59,161 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 15:31:59,162 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 15:31:59,163 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label18.c [2020-10-27 15:31:59,244 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cc3b7b7be/e9ba09b044494cd39a238f80a0fd53b0/FLAGc713a1a4b [2020-10-27 15:31:59,981 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 15:31:59,981 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem01_label18.c [2020-10-27 15:32:00,010 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cc3b7b7be/e9ba09b044494cd39a238f80a0fd53b0/FLAGc713a1a4b [2020-10-27 15:32:00,232 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cc3b7b7be/e9ba09b044494cd39a238f80a0fd53b0 [2020-10-27 15:32:00,238 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 15:32:00,247 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 15:32:00,252 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 15:32:00,252 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 15:32:00,258 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 15:32:00,260 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:32:00" (1/1) ... [2020-10-27 15:32:00,266 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1135bc1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:32:00, skipping insertion in model container [2020-10-27 15:32:00,266 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:32:00" (1/1) ... [2020-10-27 15:32:00,277 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 15:32:00,352 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 15:32:00,897 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 15:32:00,909 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 15:32:01,035 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 15:32:01,066 INFO L208 MainTranslator]: Completed translation [2020-10-27 15:32:01,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:32:01 WrapperNode [2020-10-27 15:32:01,067 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 15:32:01,069 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 15:32:01,069 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 15:32:01,069 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 15:32:01,085 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:32:01" (1/1) ... [2020-10-27 15:32:01,085 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:32:01" (1/1) ... [2020-10-27 15:32:01,123 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:32:01" (1/1) ... [2020-10-27 15:32:01,124 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:32:01" (1/1) ... [2020-10-27 15:32:01,169 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:32:01" (1/1) ... [2020-10-27 15:32:01,184 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:32:01" (1/1) ... [2020-10-27 15:32:01,193 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:32:01" (1/1) ... [2020-10-27 15:32:01,204 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 15:32:01,205 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 15:32:01,205 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 15:32:01,206 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 15:32:01,207 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:32:01" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 15:32:01,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 15:32:01,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 15:32:01,287 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 15:32:01,288 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-27 15:32:01,288 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 15:32:01,288 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-27 15:32:01,288 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 15:32:01,288 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 15:32:01,288 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 15:32:01,289 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 15:32:01,289 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 15:32:01,289 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 15:32:01,289 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 15:32:01,289 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 15:32:01,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 15:32:01,289 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 15:32:01,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 15:32:01,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 15:32:01,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 15:32:02,571 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 15:32:02,571 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-27 15:32:02,573 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:32:02 BoogieIcfgContainer [2020-10-27 15:32:02,574 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 15:32:02,576 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 15:32:02,576 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 15:32:02,579 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 15:32:02,579 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 03:32:00" (1/3) ... [2020-10-27 15:32:02,580 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c3414db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:32:02, skipping insertion in model container [2020-10-27 15:32:02,580 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:32:01" (2/3) ... [2020-10-27 15:32:02,581 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c3414db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:32:02, skipping insertion in model container [2020-10-27 15:32:02,581 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:32:02" (3/3) ... [2020-10-27 15:32:02,582 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label18.c [2020-10-27 15:32:02,595 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 15:32:02,600 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 15:32:02,614 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 15:32:02,643 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 15:32:02,644 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 15:32:02,644 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 15:32:02,644 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 15:32:02,644 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 15:32:02,644 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 15:32:02,644 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 15:32:02,644 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 15:32:02,668 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states. [2020-10-27 15:32:02,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-10-27 15:32:02,680 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:32:02,681 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:32:02,681 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:32:02,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:32:02,688 INFO L82 PathProgramCache]: Analyzing trace with hash 956759619, now seen corresponding path program 1 times [2020-10-27 15:32:02,700 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:32:02,701 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1461221198] [2020-10-27 15:32:02,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:32:02,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:32:03,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:32:03,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:32:05,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:32:05,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-27 15:32:05,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 15:32:05,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2277 [2020-10-27 15:32:05,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:32:05,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 15:32:05,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 15:32:05,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-27 15:32:05,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 15:32:06,300 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-27 15:32:06,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:32:06,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:32:06,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:32:06,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:32:06,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:32:06,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:32:06,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-27 15:32:06,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:32:06,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:32:06,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:32:06,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 15:32:06,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:32:06,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 15:32:06,477 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1461221198] [2020-10-27 15:32:06,480 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 15:32:06,480 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-27 15:32:06,481 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754885097] [2020-10-27 15:32:06,486 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 15:32:06,487 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:32:06,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 15:32:06,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-10-27 15:32:06,506 INFO L87 Difference]: Start difference. First operand 211 states. Second operand 12 states. [2020-10-27 15:32:06,741 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-10-27 15:32:06,975 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 15:32:07,181 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 15:32:07,416 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 15:32:07,846 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 119 [2020-10-27 15:32:08,293 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 118 [2020-10-27 15:32:09,015 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 117 [2020-10-27 15:32:09,844 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 116 [2020-10-27 15:32:10,405 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 114 [2020-10-27 15:32:11,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:32:11,883 INFO L93 Difference]: Finished difference Result 479 states and 799 transitions. [2020-10-27 15:32:11,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-27 15:32:11,890 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 107 [2020-10-27 15:32:11,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:32:11,903 INFO L225 Difference]: With dead ends: 479 [2020-10-27 15:32:11,903 INFO L226 Difference]: Without dead ends: 206 [2020-10-27 15:32:11,910 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2020-10-27 15:32:11,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2020-10-27 15:32:12,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 206. [2020-10-27 15:32:12,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 206 states. [2020-10-27 15:32:12,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 278 transitions. [2020-10-27 15:32:12,018 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 278 transitions. Word has length 107 [2020-10-27 15:32:12,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:32:12,020 INFO L481 AbstractCegarLoop]: Abstraction has 206 states and 278 transitions. [2020-10-27 15:32:12,020 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 15:32:12,020 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 278 transitions. [2020-10-27 15:32:12,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-10-27 15:32:12,031 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:32:12,032 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-27 15:32:12,032 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 15:32:12,033 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:32:12,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:32:12,034 INFO L82 PathProgramCache]: Analyzing trace with hash -662397851, now seen corresponding path program 1 times [2020-10-27 15:32:12,035 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:32:12,037 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [662953954] [2020-10-27 15:32:12,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:32:12,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:32:12,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:32:12,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:32:12,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:32:13,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:32:13,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-27 15:32:13,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 15:32:13,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1844 [2020-10-27 15:32:13,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:32:13,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 15:32:13,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-27 15:32:13,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-27 15:32:13,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:32:14,322 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 38 [2020-10-27 15:32:14,773 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-27 15:32:14,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:32:14,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:32:14,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:32:14,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:32:14,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:32:14,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:32:14,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 15:32:14,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:32:14,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:32:14,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:32:14,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:32:14,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:32:14,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:32:14,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:32:14,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:32:14,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:32:14,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 15:32:14,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:32:14,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 15:32:14,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:32:14,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:32:14,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:32:14,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 15:32:14,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 15:32:15,144 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 15:32:15,144 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [662953954] [2020-10-27 15:32:15,144 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:32:15,145 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-27 15:32:15,145 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350224870] [2020-10-27 15:32:15,148 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-27 15:32:15,148 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:32:15,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-27 15:32:15,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2020-10-27 15:32:15,153 INFO L87 Difference]: Start difference. First operand 206 states and 278 transitions. Second operand 14 states. [2020-10-27 15:32:15,767 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 113 [2020-10-27 15:32:16,178 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 121 [2020-10-27 15:32:16,892 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 120 [2020-10-27 15:32:17,198 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 15:32:17,423 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 15:32:18,037 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-27 15:32:18,720 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 119 [2020-10-27 15:32:19,333 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 118 [2020-10-27 15:32:19,595 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-10-27 15:32:20,054 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 117 [2020-10-27 15:32:20,429 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 115 [2020-10-27 15:32:20,691 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-27 15:32:20,869 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-10-27 15:32:21,115 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-27 15:32:21,464 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 15:32:21,803 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 15:32:22,014 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 15:32:22,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:32:22,414 INFO L93 Difference]: Finished difference Result 510 states and 779 transitions. [2020-10-27 15:32:22,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-10-27 15:32:22,414 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 115 [2020-10-27 15:32:22,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:32:22,420 INFO L225 Difference]: With dead ends: 510 [2020-10-27 15:32:22,420 INFO L226 Difference]: Without dead ends: 370 [2020-10-27 15:32:22,422 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=316, Invalid=740, Unknown=0, NotChecked=0, Total=1056 [2020-10-27 15:32:22,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2020-10-27 15:32:22,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 279. [2020-10-27 15:32:22,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 279 states. [2020-10-27 15:32:22,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 358 transitions. [2020-10-27 15:32:22,448 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 358 transitions. Word has length 115 [2020-10-27 15:32:22,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:32:22,449 INFO L481 AbstractCegarLoop]: Abstraction has 279 states and 358 transitions. [2020-10-27 15:32:22,449 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-27 15:32:22,449 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 358 transitions. [2020-10-27 15:32:22,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-10-27 15:32:22,451 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:32:22,451 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-27 15:32:22,452 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 15:32:22,452 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:32:22,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:32:22,452 INFO L82 PathProgramCache]: Analyzing trace with hash 1884297766, now seen corresponding path program 1 times [2020-10-27 15:32:22,453 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:32:22,453 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [767850326] [2020-10-27 15:32:22,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:32:22,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:32:22,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:32:22,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:32:23,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:32:23,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:32:23,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-27 15:32:23,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 15:32:23,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 752 [2020-10-27 15:32:23,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:32:23,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:32:23,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-27 15:32:23,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-10-27 15:32:23,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:32:23,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:32:23,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:32:23,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:32:23,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:32:23,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:32:23,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:32:23,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 15:32:23,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:32:23,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:32:23,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:32:23,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:32:23,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:32:23,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:32:23,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:32:23,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:32:23,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:32:23,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 15:32:23,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:32:23,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 15:32:23,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:32:23,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:32:23,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:32:23,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 15:32:23,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:32:23,686 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 15:32:23,686 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [767850326] [2020-10-27 15:32:23,687 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:32:23,687 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 15:32:23,688 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376288817] [2020-10-27 15:32:23,694 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 15:32:23,695 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:32:23,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 15:32:23,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:32:23,696 INFO L87 Difference]: Start difference. First operand 279 states and 358 transitions. Second operand 5 states. [2020-10-27 15:32:23,951 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-27 15:32:25,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:32:25,232 INFO L93 Difference]: Finished difference Result 593 states and 816 transitions. [2020-10-27 15:32:25,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:32:25,233 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 118 [2020-10-27 15:32:25,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:32:25,237 INFO L225 Difference]: With dead ends: 593 [2020-10-27 15:32:25,237 INFO L226 Difference]: Without dead ends: 281 [2020-10-27 15:32:25,238 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 15:32:25,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2020-10-27 15:32:25,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 279. [2020-10-27 15:32:25,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 279 states. [2020-10-27 15:32:25,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 333 transitions. [2020-10-27 15:32:25,285 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 333 transitions. Word has length 118 [2020-10-27 15:32:25,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:32:25,286 INFO L481 AbstractCegarLoop]: Abstraction has 279 states and 333 transitions. [2020-10-27 15:32:25,286 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 15:32:25,286 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 333 transitions. [2020-10-27 15:32:25,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-10-27 15:32:25,288 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:32:25,291 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:32:25,291 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 15:32:25,291 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:32:25,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:32:25,292 INFO L82 PathProgramCache]: Analyzing trace with hash 1913078658, now seen corresponding path program 1 times [2020-10-27 15:32:25,292 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:32:25,292 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [686886709] [2020-10-27 15:32:25,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:32:25,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:32:25,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:32:25,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:32:26,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:32:27,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:32:27,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-27 15:32:27,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 15:32:27,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1694 [2020-10-27 15:32:27,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:32:27,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:32:27,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 51 [2020-10-27 15:32:27,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-10-27 15:32:27,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:32:27,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:32:27,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:32:27,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:32:27,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:32:27,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:32:27,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:32:27,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 15:32:27,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:32:27,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:32:27,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:32:27,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:32:27,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:32:27,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:32:27,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:32:27,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:32:27,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:32:27,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-27 15:32:27,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:32:27,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-27 15:32:27,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:32:27,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:32:27,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:32:27,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-27 15:32:27,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:32:27,396 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 37 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 15:32:27,397 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [686886709] [2020-10-27 15:32:27,397 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:32:27,397 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-27 15:32:27,397 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688895332] [2020-10-27 15:32:27,399 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 15:32:27,400 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:32:27,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 15:32:27,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-27 15:32:27,413 INFO L87 Difference]: Start difference. First operand 279 states and 333 transitions. Second operand 6 states. [2020-10-27 15:32:27,771 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-27 15:32:29,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:32:29,557 INFO L93 Difference]: Finished difference Result 768 states and 982 transitions. [2020-10-27 15:32:29,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 15:32:29,558 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 148 [2020-10-27 15:32:29,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:32:29,567 INFO L225 Difference]: With dead ends: 768 [2020-10-27 15:32:29,568 INFO L226 Difference]: Without dead ends: 555 [2020-10-27 15:32:29,570 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-27 15:32:29,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555 states. [2020-10-27 15:32:29,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555 to 555. [2020-10-27 15:32:29,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 555 states. [2020-10-27 15:32:29,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 676 transitions. [2020-10-27 15:32:29,634 INFO L78 Accepts]: Start accepts. Automaton has 555 states and 676 transitions. Word has length 148 [2020-10-27 15:32:29,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:32:29,637 INFO L481 AbstractCegarLoop]: Abstraction has 555 states and 676 transitions. [2020-10-27 15:32:29,638 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 15:32:29,638 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 676 transitions. [2020-10-27 15:32:29,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-10-27 15:32:29,645 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:32:29,648 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:32:29,648 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 15:32:29,649 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:32:29,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:32:29,649 INFO L82 PathProgramCache]: Analyzing trace with hash 105226447, now seen corresponding path program 1 times [2020-10-27 15:32:29,649 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:32:29,650 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1127980308] [2020-10-27 15:32:29,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:32:29,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:32:29,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:32:29,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:32:29,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:32:34,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:32:34,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-10-27 15:32:34,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 15:32:34,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5042 [2020-10-27 15:32:34,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:32:34,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 15:32:34,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 68 [2020-10-27 15:32:34,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-27 15:32:34,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:32:35,398 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 50 [2020-10-27 15:32:35,621 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 50 [2020-10-27 15:32:35,929 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-10-27 15:32:36,215 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 49 [2020-10-27 15:32:36,497 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 45 [2020-10-27 15:32:36,750 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 41 [2020-10-27 15:32:37,000 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 37 [2020-10-27 15:32:37,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:32:37,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:32:37,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:32:37,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:32:37,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:32:37,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:32:37,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 15:32:37,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:32:37,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:32:37,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:32:37,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:32:37,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:32:37,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:32:37,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:32:37,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:32:37,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:32:37,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-27 15:32:37,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:32:37,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-27 15:32:37,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:32:37,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:32:37,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:32:37,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:32:37,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:32:37,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-27 15:32:37,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:32:37,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:32:37,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:32:37,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 15:32:37,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:32:37,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 15:32:37,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:32:37,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:32:37,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:32:37,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 15:32:37,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:32:37,604 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 51 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-27 15:32:37,605 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1127980308] [2020-10-27 15:32:37,605 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:32:37,605 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-27 15:32:37,606 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195292229] [2020-10-27 15:32:37,607 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 15:32:37,607 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:32:37,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 15:32:37,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2020-10-27 15:32:37,609 INFO L87 Difference]: Start difference. First operand 555 states and 676 transitions. Second operand 13 states. [2020-10-27 15:32:38,451 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-27 15:32:38,741 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-27 15:32:39,551 WARN L193 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 146 [2020-10-27 15:32:40,241 WARN L193 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 143 [2020-10-27 15:32:40,929 WARN L193 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 140 [2020-10-27 15:32:41,479 WARN L193 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 137 [2020-10-27 15:32:42,280 WARN L193 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 132 [2020-10-27 15:32:42,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:32:42,601 INFO L93 Difference]: Finished difference Result 1116 states and 1410 transitions. [2020-10-27 15:32:42,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-27 15:32:42,608 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 163 [2020-10-27 15:32:42,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:32:42,612 INFO L225 Difference]: With dead ends: 1116 [2020-10-27 15:32:42,613 INFO L226 Difference]: Without dead ends: 627 [2020-10-27 15:32:42,614 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=131, Invalid=289, Unknown=0, NotChecked=0, Total=420 [2020-10-27 15:32:42,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 627 states. [2020-10-27 15:32:42,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 627 to 627. [2020-10-27 15:32:42,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 627 states. [2020-10-27 15:32:42,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 627 states and 758 transitions. [2020-10-27 15:32:42,642 INFO L78 Accepts]: Start accepts. Automaton has 627 states and 758 transitions. Word has length 163 [2020-10-27 15:32:42,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:32:42,642 INFO L481 AbstractCegarLoop]: Abstraction has 627 states and 758 transitions. [2020-10-27 15:32:42,642 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 15:32:42,643 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 758 transitions. [2020-10-27 15:32:42,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-10-27 15:32:42,645 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:32:42,646 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:32:42,646 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 15:32:42,646 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:32:42,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:32:42,647 INFO L82 PathProgramCache]: Analyzing trace with hash -1842397573, now seen corresponding path program 1 times [2020-10-27 15:32:42,647 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:32:42,647 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1151732039] [2020-10-27 15:32:42,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:32:42,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:32:42,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:32:42,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:32:42,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:32:43,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:32:44,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:32:47,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:32:47,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 179 [2020-10-27 15:32:47,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 15:32:47,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4708 [2020-10-27 15:32:47,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:32:47,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:32:47,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 70 [2020-10-27 15:32:47,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-10-27 15:32:47,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:32:47,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:32:47,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:32:47,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:32:47,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:32:47,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:32:47,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:32:47,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 15:32:47,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:32:47,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:32:47,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:32:47,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:32:47,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:32:47,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:32:47,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:32:47,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:32:47,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:32:47,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 15:32:47,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:32:47,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 15:32:47,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:32:47,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:32:47,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:32:47,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:32:47,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:32:47,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 15:32:47,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:32:47,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:32:47,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:32:47,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-10-27 15:32:47,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:32:47,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-27 15:32:47,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:32:47,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:32:47,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:32:47,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-27 15:32:47,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:32:47,700 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 53 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-27 15:32:47,705 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1151732039] [2020-10-27 15:32:47,707 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:32:47,707 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 15:32:47,707 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033528591] [2020-10-27 15:32:47,708 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 15:32:47,708 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:32:47,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 15:32:47,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:32:47,710 INFO L87 Difference]: Start difference. First operand 627 states and 758 transitions. Second operand 5 states. [2020-10-27 15:32:49,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:32:49,191 INFO L93 Difference]: Finished difference Result 1459 states and 1804 transitions. [2020-10-27 15:32:49,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:32:49,192 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 165 [2020-10-27 15:32:49,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:32:49,195 INFO L225 Difference]: With dead ends: 1459 [2020-10-27 15:32:49,195 INFO L226 Difference]: Without dead ends: 0 [2020-10-27 15:32:49,198 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 15:32:49,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-27 15:32:49,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-27 15:32:49,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-27 15:32:49,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-27 15:32:49,199 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 165 [2020-10-27 15:32:49,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:32:49,199 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-27 15:32:49,200 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 15:32:49,200 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-27 15:32:49,200 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-27 15:32:49,200 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 15:32:49,202 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-27 15:32:49,739 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 43 [2020-10-27 15:32:51,069 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 234 DAG size of output: 134 [2020-10-27 15:32:51,545 WARN L193 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 102 [2020-10-27 15:32:51,933 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 63 [2020-10-27 15:32:52,261 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 104 [2020-10-27 15:32:52,267 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-27 15:32:52,267 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-27 15:32:52,268 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-27 15:32:52,268 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-27 15:32:52,268 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-27 15:32:52,270 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|) (= ~a21~0 |old(~a21~0)|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~a8~0 |old(~a8~0)|) (= ~f~0 |old(~f~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~a7~0 |old(~a7~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~a16~0 |old(~a16~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~y~0 |old(~y~0)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~a17~0 |old(~a17~0)|) (= ~c~0 |old(~c~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~z~0 |old(~z~0)|) (= ~a12~0 |old(~a12~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a~0 |old(~a~0)|) (= ~a20~0 |old(~a20~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~v~0 |old(~v~0)|) (= ~b~0 |old(~b~0)|)) [2020-10-27 15:32:52,270 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-27 15:32:52,270 INFO L274 CegarLoopResult]: For program point L564-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:52,271 INFO L274 CegarLoopResult]: For program point L531-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:52,271 INFO L274 CegarLoopResult]: For program point L498-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:52,271 INFO L274 CegarLoopResult]: For program point L465-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:52,271 INFO L274 CegarLoopResult]: For program point L432-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:52,271 INFO L274 CegarLoopResult]: For program point L399-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:52,271 INFO L274 CegarLoopResult]: For program point L267(lines 267 392) no Hoare annotation was computed. [2020-10-27 15:32:52,271 INFO L274 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-10-27 15:32:52,272 INFO L274 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-10-27 15:32:52,272 INFO L274 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-10-27 15:32:52,272 INFO L274 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-10-27 15:32:52,272 INFO L274 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-10-27 15:32:52,272 INFO L274 CegarLoopResult]: For program point L400(line 400) no Hoare annotation was computed. [2020-10-27 15:32:52,273 INFO L274 CegarLoopResult]: For program point L367(lines 367 392) no Hoare annotation was computed. [2020-10-27 15:32:52,273 INFO L274 CegarLoopResult]: For program point L301(lines 301 392) no Hoare annotation was computed. [2020-10-27 15:32:52,273 INFO L274 CegarLoopResult]: For program point L37(lines 37 392) no Hoare annotation was computed. [2020-10-27 15:32:52,273 INFO L274 CegarLoopResult]: For program point L335(lines 335 392) no Hoare annotation was computed. [2020-10-27 15:32:52,274 INFO L274 CegarLoopResult]: For program point L104(lines 104 392) no Hoare annotation was computed. [2020-10-27 15:32:52,274 INFO L274 CegarLoopResult]: For program point L567-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:52,274 INFO L274 CegarLoopResult]: For program point L534-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:52,274 INFO L274 CegarLoopResult]: For program point L501-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:52,274 INFO L274 CegarLoopResult]: For program point L468-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:52,274 INFO L274 CegarLoopResult]: For program point L435-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:52,274 INFO L274 CegarLoopResult]: For program point L402-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:52,275 INFO L274 CegarLoopResult]: For program point L270(lines 270 392) no Hoare annotation was computed. [2020-10-27 15:32:52,275 INFO L274 CegarLoopResult]: For program point L138(lines 138 392) no Hoare annotation was computed. [2020-10-27 15:32:52,275 INFO L274 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-10-27 15:32:52,275 INFO L274 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-10-27 15:32:52,275 INFO L274 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-10-27 15:32:52,275 INFO L274 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-10-27 15:32:52,275 INFO L274 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-10-27 15:32:52,275 INFO L274 CegarLoopResult]: For program point L403(line 403) no Hoare annotation was computed. [2020-10-27 15:32:52,275 INFO L274 CegarLoopResult]: For program point L205(lines 205 392) no Hoare annotation was computed. [2020-10-27 15:32:52,275 INFO L274 CegarLoopResult]: For program point L74(lines 74 392) no Hoare annotation was computed. [2020-10-27 15:32:52,276 INFO L274 CegarLoopResult]: For program point L570-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:52,276 INFO L274 CegarLoopResult]: For program point L537-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:52,276 INFO L274 CegarLoopResult]: For program point L504-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:52,276 INFO L274 CegarLoopResult]: For program point L471-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:52,276 INFO L274 CegarLoopResult]: For program point L438-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:52,276 INFO L274 CegarLoopResult]: For program point L405-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:52,276 INFO L274 CegarLoopResult]: For program point L339(lines 339 392) no Hoare annotation was computed. [2020-10-27 15:32:52,276 INFO L274 CegarLoopResult]: For program point L240(lines 240 392) no Hoare annotation was computed. [2020-10-27 15:32:52,276 INFO L274 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-10-27 15:32:52,277 INFO L274 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-10-27 15:32:52,277 INFO L274 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-10-27 15:32:52,277 INFO L274 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-10-27 15:32:52,277 INFO L274 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-10-27 15:32:52,278 INFO L274 CegarLoopResult]: For program point L406(line 406) no Hoare annotation was computed. [2020-10-27 15:32:52,278 INFO L274 CegarLoopResult]: For program point L175(lines 175 392) no Hoare annotation was computed. [2020-10-27 15:32:52,278 INFO L274 CegarLoopResult]: For program point L142(lines 142 392) no Hoare annotation was computed. [2020-10-27 15:32:52,278 INFO L274 CegarLoopResult]: For program point L374(lines 374 392) no Hoare annotation was computed. [2020-10-27 15:32:52,278 INFO L274 CegarLoopResult]: For program point L308(lines 308 392) no Hoare annotation was computed. [2020-10-27 15:32:52,278 INFO L274 CegarLoopResult]: For program point L275(lines 275 392) no Hoare annotation was computed. [2020-10-27 15:32:52,278 INFO L274 CegarLoopResult]: For program point L110(lines 110 392) no Hoare annotation was computed. [2020-10-27 15:32:52,279 INFO L274 CegarLoopResult]: For program point L573-1(lines 573 575) no Hoare annotation was computed. [2020-10-27 15:32:52,280 INFO L274 CegarLoopResult]: For program point L540-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:52,281 INFO L274 CegarLoopResult]: For program point L507-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:52,281 INFO L274 CegarLoopResult]: For program point L474-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:52,281 INFO L274 CegarLoopResult]: For program point L441-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:52,281 INFO L274 CegarLoopResult]: For program point L408-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:52,281 INFO L274 CegarLoopResult]: For program point L210(lines 210 392) no Hoare annotation was computed. [2020-10-27 15:32:52,281 INFO L274 CegarLoopResult]: For program point L45(lines 45 392) no Hoare annotation was computed. [2020-10-27 15:32:52,281 INFO L274 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-10-27 15:32:52,281 INFO L274 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-10-27 15:32:52,282 INFO L274 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-10-27 15:32:52,282 INFO L274 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-10-27 15:32:52,282 INFO L274 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-10-27 15:32:52,282 INFO L274 CegarLoopResult]: For program point L409(line 409) no Hoare annotation was computed. [2020-10-27 15:32:52,282 INFO L274 CegarLoopResult]: For program point L146(lines 146 392) no Hoare annotation was computed. [2020-10-27 15:32:52,282 INFO L274 CegarLoopResult]: For program point L543-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:52,282 INFO L274 CegarLoopResult]: For program point L510-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:52,282 INFO L274 CegarLoopResult]: For program point L477-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:52,282 INFO L274 CegarLoopResult]: For program point L444-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:52,282 INFO L274 CegarLoopResult]: For program point L411-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:52,283 INFO L274 CegarLoopResult]: For program point L180(lines 180 392) no Hoare annotation was computed. [2020-10-27 15:32:52,283 INFO L274 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-10-27 15:32:52,283 INFO L274 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-10-27 15:32:52,283 INFO L270 CegarLoopResult]: At program point L478(line 478) the Hoare annotation is: (let ((.cse0 (not (= |old(~a17~0)| 1))) (.cse1 (and (not (= |calculate_output_#in~input| 3)) (not (= |calculate_output_#in~input| 2)) (not (= |calculate_output_#in~input| 4)) (not (= |calculate_output_#in~input| 1)) (not (= |calculate_output_#in~input| 5)) (not (= |calculate_output_#in~input| 6)))) (.cse2 (not (= |old(~a21~0)| 1))) (.cse3 (not (= ~a12~0 8)))) (and (or .cse0 (not (<= |old(~a8~0)| 15)) (not (<= 15 |old(~a8~0)|)) .cse1 .cse2 .cse3 (not (= |old(~a7~0)| 0))) (= 5 |old(~a16~0)|) (or (not (< 0 |old(~a7~0)|)) (not (< 0 |old(~a17~0)|)) (not (<= |old(~a21~0)| 0)) (and (or (not (<= |calculate_output_#in~input| 5)) (not (<= 5 |calculate_output_#in~input|))) (or (not (<= 4 |calculate_output_#in~input|)) (not (<= |calculate_output_#in~input| 4))) (or (not (<= |calculate_output_#in~input| 2)) (not (<= 2 |calculate_output_#in~input|))) (or (not (<= |calculate_output_#in~input| 3)) (not (<= 3 |calculate_output_#in~input|))) (or (not (<= |calculate_output_#in~input| 6)) (not (<= 6 |calculate_output_#in~input|))) (or (not (<= 1 |calculate_output_#in~input|)) (not (<= |calculate_output_#in~input| 1)))) (not (<= |old(~a8~0)| 13)) (not (<= |old(~a7~0)| 1)) (not (<= |old(~a17~0)| 1)) (not (< 12 |old(~a8~0)|)) .cse3 (not (<= |old(~a20~0)| 1)) (not (< 0 |old(~a20~0)|))) (or .cse0 (= |old(~a20~0)| 1) .cse1 (not (= 15 |old(~a8~0)|)) .cse2 .cse3 (= |old(~a7~0)| 1)) (not (= 0 |old(~a17~0)|)))) [2020-10-27 15:32:52,283 INFO L274 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-10-27 15:32:52,283 INFO L274 CegarLoopResult]: For program point L478-1(line 478) no Hoare annotation was computed. [2020-10-27 15:32:52,284 INFO L274 CegarLoopResult]: For program point L412(line 412) no Hoare annotation was computed. [2020-10-27 15:32:52,284 INFO L274 CegarLoopResult]: For program point L379(lines 379 392) no Hoare annotation was computed. [2020-10-27 15:32:52,284 INFO L274 CegarLoopResult]: For program point L280(lines 280 392) no Hoare annotation was computed. [2020-10-27 15:32:52,284 INFO L274 CegarLoopResult]: For program point L247(lines 247 392) no Hoare annotation was computed. [2020-10-27 15:32:52,284 INFO L274 CegarLoopResult]: For program point L82(lines 82 392) no Hoare annotation was computed. [2020-10-27 15:32:52,284 INFO L274 CegarLoopResult]: For program point L347(lines 347 392) no Hoare annotation was computed. [2020-10-27 15:32:52,284 INFO L274 CegarLoopResult]: For program point L314(lines 314 392) no Hoare annotation was computed. [2020-10-27 15:32:52,284 INFO L274 CegarLoopResult]: For program point L116(lines 116 392) no Hoare annotation was computed. [2020-10-27 15:32:52,284 INFO L274 CegarLoopResult]: For program point L546-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:52,285 INFO L274 CegarLoopResult]: For program point L513-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:52,285 INFO L274 CegarLoopResult]: For program point L480-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:52,285 INFO L274 CegarLoopResult]: For program point L447-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:52,285 INFO L274 CegarLoopResult]: For program point L414-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:52,285 INFO L274 CegarLoopResult]: For program point L216(lines 216 392) no Hoare annotation was computed. [2020-10-27 15:32:52,285 INFO L274 CegarLoopResult]: For program point L150(lines 150 392) no Hoare annotation was computed. [2020-10-27 15:32:52,285 INFO L274 CegarLoopResult]: For program point L51(lines 51 392) no Hoare annotation was computed. [2020-10-27 15:32:52,285 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:52,285 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:52,285 INFO L274 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-10-27 15:32:52,286 INFO L274 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-10-27 15:32:52,287 INFO L274 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-10-27 15:32:52,287 INFO L274 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-10-27 15:32:52,287 INFO L274 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-10-27 15:32:52,287 INFO L274 CegarLoopResult]: For program point L86(lines 86 392) no Hoare annotation was computed. [2020-10-27 15:32:52,287 INFO L274 CegarLoopResult]: For program point L549-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:52,287 INFO L274 CegarLoopResult]: For program point L516-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:52,287 INFO L274 CegarLoopResult]: For program point L483-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:52,287 INFO L274 CegarLoopResult]: For program point L450-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:52,288 INFO L274 CegarLoopResult]: For program point L384(lines 384 392) no Hoare annotation was computed. [2020-10-27 15:32:52,288 INFO L274 CegarLoopResult]: For program point L417-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:52,288 INFO L274 CegarLoopResult]: For program point L318(lines 318 392) no Hoare annotation was computed. [2020-10-27 15:32:52,288 INFO L274 CegarLoopResult]: For program point L252(lines 252 392) no Hoare annotation was computed. [2020-10-27 15:32:52,288 INFO L274 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-10-27 15:32:52,288 INFO L274 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-10-27 15:32:52,288 INFO L274 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-10-27 15:32:52,288 INFO L274 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-10-27 15:32:52,288 INFO L274 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-10-27 15:32:52,289 INFO L274 CegarLoopResult]: For program point L220(lines 220 392) no Hoare annotation was computed. [2020-10-27 15:32:52,289 INFO L274 CegarLoopResult]: For program point L154(lines 154 392) no Hoare annotation was computed. [2020-10-27 15:32:52,289 INFO L274 CegarLoopResult]: For program point L121(lines 121 392) no Hoare annotation was computed. [2020-10-27 15:32:52,290 INFO L274 CegarLoopResult]: For program point L320(lines 320 392) no Hoare annotation was computed. [2020-10-27 15:32:52,290 INFO L274 CegarLoopResult]: For program point L188(lines 188 392) no Hoare annotation was computed. [2020-10-27 15:32:52,290 INFO L274 CegarLoopResult]: For program point L56(lines 56 392) no Hoare annotation was computed. [2020-10-27 15:32:52,290 INFO L274 CegarLoopResult]: For program point L552-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:52,290 INFO L274 CegarLoopResult]: For program point L519-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:52,290 INFO L274 CegarLoopResult]: For program point L486-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:52,290 INFO L274 CegarLoopResult]: For program point L453-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:52,290 INFO L274 CegarLoopResult]: For program point L420-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:52,290 INFO L274 CegarLoopResult]: For program point L288(lines 288 392) no Hoare annotation was computed. [2020-10-27 15:32:52,291 INFO L274 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-10-27 15:32:52,291 INFO L274 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-10-27 15:32:52,291 INFO L274 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-10-27 15:32:52,291 INFO L274 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-10-27 15:32:52,291 INFO L274 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-10-27 15:32:52,291 INFO L274 CegarLoopResult]: For program point L355(lines 355 392) no Hoare annotation was computed. [2020-10-27 15:32:52,291 INFO L274 CegarLoopResult]: For program point L191(lines 191 392) no Hoare annotation was computed. [2020-10-27 15:32:52,291 INFO L274 CegarLoopResult]: For program point L555-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:52,291 INFO L274 CegarLoopResult]: For program point L522-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:52,292 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 32 577) the Hoare annotation is: (let ((.cse10 (= 5 |old(~a16~0)|)) (.cse11 (= ~a7~0 |old(~a7~0)|)) (.cse2 (= ~a17~0 |old(~a17~0)|)) (.cse12 (= ~a21~0 |old(~a21~0)|)) (.cse4 (= ~a20~0 |old(~a20~0)|)) (.cse13 (= ~a16~0 |old(~a16~0)|))) (let ((.cse0 (and .cse11 .cse2 .cse12 .cse4 .cse13 (= ~a8~0 |old(~a8~0)|))) (.cse1 (not (= |old(~a17~0)| 1))) (.cse3 (= ~a21~0 1)) (.cse5 (= 5 ~a16~0)) (.cse6 (not .cse10)) (.cse7 (and (not (= |calculate_output_#in~input| 3)) (not (= |calculate_output_#in~input| 2)) (not (= |calculate_output_#in~input| 4)) (not (= |calculate_output_#in~input| 1)) (not (= |calculate_output_#in~input| 5)) (not (= |calculate_output_#in~input| 6)))) (.cse8 (not (= |old(~a21~0)| 1))) (.cse9 (not (= ~a12~0 8)))) (and (or .cse0 (not (= 0 |old(~a17~0)|))) (or .cse1 (not (<= |old(~a8~0)| 15)) (not (<= 15 |old(~a8~0)|)) (and .cse2 .cse3 .cse4 .cse5 (<= ~a8~0 15) (<= 15 ~a8~0) (= ~a7~0 0)) .cse6 .cse7 .cse8 .cse9 (not (= |old(~a7~0)| 0))) (or .cse10 .cse0) (or (not (< 0 |old(~a7~0)|)) (not (< 0 |old(~a17~0)|)) (not (<= |old(~a21~0)| 0)) (and (or (not (<= |calculate_output_#in~input| 5)) (not (<= 5 |calculate_output_#in~input|))) (or (not (<= 4 |calculate_output_#in~input|)) (not (<= |calculate_output_#in~input| 4))) (or (not (<= |calculate_output_#in~input| 2)) (not (<= 2 |calculate_output_#in~input|))) (or (not (<= |calculate_output_#in~input| 3)) (not (<= 3 |calculate_output_#in~input|))) (or (not (<= |calculate_output_#in~input| 6)) (not (<= 6 |calculate_output_#in~input|))) (or (not (<= 1 |calculate_output_#in~input|)) (not (<= |calculate_output_#in~input| 1)))) (and .cse11 .cse2 (< 12 ~a8~0) .cse12 .cse4 .cse13 (<= ~a8~0 13)) (not (<= |old(~a8~0)| 13)) (not (<= |old(~a7~0)| 1)) (not (<= |old(~a17~0)| 1)) (not (< 12 |old(~a8~0)|)) .cse9 (not (<= |old(~a20~0)| 1)) (not (< 0 |old(~a20~0)|))) (or .cse1 (= |old(~a20~0)| 1) (and .cse11 .cse4 .cse3 (= ~a8~0 15) .cse5 (= ~a17~0 1)) .cse6 .cse7 (not (= 15 |old(~a8~0)|)) .cse8 .cse9 (= |old(~a7~0)| 1))))) [2020-10-27 15:32:52,292 INFO L274 CegarLoopResult]: For program point L489-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:52,292 INFO L274 CegarLoopResult]: For program point L456-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:52,292 INFO L274 CegarLoopResult]: For program point L423-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:52,292 INFO L274 CegarLoopResult]: For program point L357(lines 357 392) no Hoare annotation was computed. [2020-10-27 15:32:52,293 INFO L274 CegarLoopResult]: For program point L258(lines 258 392) no Hoare annotation was computed. [2020-10-27 15:32:52,293 INFO L274 CegarLoopResult]: For program point L225(lines 225 392) no Hoare annotation was computed. [2020-10-27 15:32:52,293 INFO L274 CegarLoopResult]: For program point L126(lines 126 392) no Hoare annotation was computed. [2020-10-27 15:32:52,293 INFO L274 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-10-27 15:32:52,293 INFO L274 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-10-27 15:32:52,293 INFO L274 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-10-27 15:32:52,293 INFO L274 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-10-27 15:32:52,293 INFO L274 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-10-27 15:32:52,293 INFO L274 CegarLoopResult]: For program point L94(lines 94 392) no Hoare annotation was computed. [2020-10-27 15:32:52,293 INFO L274 CegarLoopResult]: For program point L326(lines 326 392) no Hoare annotation was computed. [2020-10-27 15:32:52,294 INFO L274 CegarLoopResult]: For program point L558-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:52,294 INFO L274 CegarLoopResult]: For program point L525-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:52,294 INFO L274 CegarLoopResult]: For program point L492-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:52,294 INFO L274 CegarLoopResult]: For program point L459-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:52,294 INFO L274 CegarLoopResult]: For program point L393(lines 393 395) no Hoare annotation was computed. [2020-10-27 15:32:52,294 INFO L274 CegarLoopResult]: For program point L426-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:52,294 INFO L274 CegarLoopResult]: For program point L393-2(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:52,294 INFO L274 CegarLoopResult]: For program point L294(lines 294 392) no Hoare annotation was computed. [2020-10-27 15:32:52,294 INFO L274 CegarLoopResult]: For program point L162(lines 162 392) no Hoare annotation was computed. [2020-10-27 15:32:52,295 INFO L274 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-10-27 15:32:52,295 INFO L274 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-10-27 15:32:52,295 INFO L274 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-10-27 15:32:52,295 INFO L274 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-10-27 15:32:52,295 INFO L274 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-10-27 15:32:52,295 INFO L274 CegarLoopResult]: For program point L394(line 394) no Hoare annotation was computed. [2020-10-27 15:32:52,295 INFO L274 CegarLoopResult]: For program point L196(lines 196 392) no Hoare annotation was computed. [2020-10-27 15:32:52,295 INFO L274 CegarLoopResult]: For program point L64(lines 64 392) no Hoare annotation was computed. [2020-10-27 15:32:52,295 INFO L274 CegarLoopResult]: For program point L263(lines 263 392) no Hoare annotation was computed. [2020-10-27 15:32:52,295 INFO L274 CegarLoopResult]: For program point L131(lines 131 392) no Hoare annotation was computed. [2020-10-27 15:32:52,296 INFO L274 CegarLoopResult]: For program point L561-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:52,296 INFO L274 CegarLoopResult]: For program point L528-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:52,296 INFO L274 CegarLoopResult]: For program point L495-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:52,296 INFO L274 CegarLoopResult]: For program point L462-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:52,296 INFO L274 CegarLoopResult]: For program point L429-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:52,296 INFO L274 CegarLoopResult]: For program point L363(lines 363 392) no Hoare annotation was computed. [2020-10-27 15:32:52,296 INFO L274 CegarLoopResult]: For program point L396-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:32:52,296 INFO L274 CegarLoopResult]: For program point L99(lines 99 392) no Hoare annotation was computed. [2020-10-27 15:32:52,296 INFO L274 CegarLoopResult]: For program point L33(lines 33 392) no Hoare annotation was computed. [2020-10-27 15:32:52,297 INFO L274 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-10-27 15:32:52,297 INFO L274 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-10-27 15:32:52,297 INFO L274 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-10-27 15:32:52,297 INFO L274 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-10-27 15:32:52,297 INFO L274 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-10-27 15:32:52,297 INFO L274 CegarLoopResult]: For program point L397(line 397) no Hoare annotation was computed. [2020-10-27 15:32:52,297 INFO L274 CegarLoopResult]: For program point L331(lines 331 392) no Hoare annotation was computed. [2020-10-27 15:32:52,297 INFO L274 CegarLoopResult]: For program point L199(lines 199 392) no Hoare annotation was computed. [2020-10-27 15:32:52,297 INFO L274 CegarLoopResult]: For program point L67(lines 67 392) no Hoare annotation was computed. [2020-10-27 15:32:52,297 INFO L274 CegarLoopResult]: For program point L365(lines 365 392) no Hoare annotation was computed. [2020-10-27 15:32:52,298 INFO L274 CegarLoopResult]: For program point L233(lines 233 392) no Hoare annotation was computed. [2020-10-27 15:32:52,298 INFO L274 CegarLoopResult]: For program point L167(lines 167 392) no Hoare annotation was computed. [2020-10-27 15:32:52,298 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-27 15:32:52,298 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a21~0 1) (= ~a12~0 8) (= ~a20~0 1) (= 5 ~a16~0) (<= ~a8~0 15) (= ~a7~0 0) (<= 15 ~a8~0) (= ~a17~0 1)) [2020-10-27 15:32:52,298 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-27 15:32:52,298 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-27 15:32:52,298 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 579 596) the Hoare annotation is: (or (not (= |old(~a17~0)| 1)) (not (<= |old(~a8~0)| 15)) (not (<= 15 |old(~a8~0)|)) (not (= |old(~a20~0)| 1)) (and (= ~a17~0 |old(~a17~0)|) (= ~a21~0 1) (= ~a20~0 |old(~a20~0)|) (= 5 ~a16~0) (<= ~a8~0 15) (<= 15 ~a8~0) (= ~a7~0 0)) (not (= 5 |old(~a16~0)|)) (not (= |old(~a21~0)| 1)) (not (= ~a12~0 8)) (not (= |old(~a7~0)| 0))) [2020-10-27 15:32:52,298 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 579 596) no Hoare annotation was computed. [2020-10-27 15:32:52,299 INFO L270 CegarLoopResult]: At program point L593(line 593) the Hoare annotation is: (let ((.cse0 (= 6 main_~input~0)) (.cse1 (= main_~input~0 4)) (.cse2 (= 3 main_~input~0)) (.cse3 (= 2 main_~input~0))) (or (not (<= |old(~a8~0)| 15)) (and (or .cse0 (and (<= ~a17~0 main_~input~0) (<= main_~input~0 ~a17~0)) .cse1 .cse2 (and (< main_~input~0 (+ ~a16~0 1)) (<= ~a16~0 main_~input~0)) .cse3) (= ~a21~0 ~a17~0) (= ~a8~0 15) (not (= ~a7~0 1)) (not (= ~a20~0 1)) (= ~a17~0 1)) (and (<= 1 ~a7~0) (<= 13 ~a8~0) (<= 1 ~a20~0) (<= 1 ~a17~0) (or (and (<= 4 main_~input~0) (<= main_~input~0 4)) (and (<= 2 main_~input~0) (<= main_~input~0 2)) (and (<= 6 main_~input~0) (<= main_~input~0 6)) (and (<= main_~input~0 3) (<= 3 main_~input~0)) (and (<= main_~input~0 1) (<= 1 main_~input~0)) (and (<= main_~input~0 5) (<= 5 main_~input~0))) (<= ~a21~0 0) (<= ~a17~0 1) (<= ~a20~0 1) (<= ~a7~0 1) (<= ~a8~0 13)) (not (= |old(~a20~0)| 1)) (not (= 5 ~a16~0)) (not (= |old(~a21~0)| 1)) (and (= ~a17~0 |old(~a17~0)|) (= ~a21~0 1) (or (= 5 main_~input~0) .cse0 .cse1 .cse2 (= main_~input~0 1) .cse3) (<= ~a8~0 15) (<= 15 ~a8~0) (= ~a7~0 0)) (= ~a17~0 0) (not (= |old(~a17~0)| 1)) (not (<= 15 |old(~a8~0)|)) (not (= 5 |old(~a16~0)|)) (not (= ~a12~0 8)) (not (= |old(~a7~0)| 0)))) [2020-10-27 15:32:52,299 INFO L274 CegarLoopResult]: For program point L593-1(line 593) no Hoare annotation was computed. [2020-10-27 15:32:52,299 INFO L274 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-10-27 15:32:52,300 INFO L270 CegarLoopResult]: At program point L585-2(lines 585 595) the Hoare annotation is: (or (not (<= |old(~a8~0)| 15)) (not (= |old(~a20~0)| 1)) (and (<= 1 ~a7~0) (<= 13 ~a8~0) (<= 1 ~a20~0) (<= 1 ~a17~0) (<= ~a21~0 0) (<= ~a20~0 1) (<= ~a17~0 1) (<= ~a7~0 1) (<= ~a8~0 13)) (not (= 5 ~a16~0)) (not (= |old(~a21~0)| 1)) (= ~a17~0 0) (not (= |old(~a17~0)| 1)) (not (<= 15 |old(~a8~0)|)) (and (= ~a17~0 |old(~a17~0)|) (= ~a21~0 1) (<= ~a8~0 15) (<= 15 ~a8~0) (= ~a7~0 0)) (not (= 5 |old(~a16~0)|)) (and (= ~a21~0 ~a17~0) (= ~a8~0 15) (not (= ~a7~0 1)) (not (= ~a20~0 1)) (= ~a17~0 1)) (not (= ~a12~0 8)) (not (= |old(~a7~0)| 0))) [2020-10-27 15:32:52,300 INFO L274 CegarLoopResult]: For program point L585-3(lines 579 596) no Hoare annotation was computed. [2020-10-27 15:32:52,350 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 03:32:52 BoogieIcfgContainer [2020-10-27 15:32:52,350 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 15:32:52,352 INFO L168 Benchmark]: Toolchain (without parser) took 52110.68 ms. Allocated memory was 156.2 MB in the beginning and 563.1 MB in the end (delta: 406.8 MB). Free memory was 130.2 MB in the beginning and 474.0 MB in the end (delta: -343.9 MB). Peak memory consumption was 337.6 MB. Max. memory is 8.0 GB. [2020-10-27 15:32:52,353 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 125.8 MB. Free memory is still 84.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 15:32:52,353 INFO L168 Benchmark]: CACSL2BoogieTranslator took 815.73 ms. Allocated memory is still 156.2 MB. Free memory was 129.6 MB in the beginning and 102.8 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. [2020-10-27 15:32:52,354 INFO L168 Benchmark]: Boogie Preprocessor took 135.84 ms. Allocated memory is still 156.2 MB. Free memory was 102.8 MB in the beginning and 97.9 MB in the end (delta: 4.9 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-10-27 15:32:52,355 INFO L168 Benchmark]: RCFGBuilder took 1368.45 ms. Allocated memory is still 156.2 MB. Free memory was 97.7 MB in the beginning and 125.2 MB in the end (delta: -27.5 MB). Peak memory consumption was 48.3 MB. Max. memory is 8.0 GB. [2020-10-27 15:32:52,356 INFO L168 Benchmark]: TraceAbstraction took 49774.46 ms. Allocated memory was 156.2 MB in the beginning and 563.1 MB in the end (delta: 406.8 MB). Free memory was 124.7 MB in the beginning and 474.0 MB in the end (delta: -349.4 MB). Peak memory consumption was 331.2 MB. Max. memory is 8.0 GB. [2020-10-27 15:32:52,364 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 is still 84.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 815.73 ms. Allocated memory is still 156.2 MB. Free memory was 129.6 MB in the beginning and 102.8 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 135.84 ms. Allocated memory is still 156.2 MB. Free memory was 102.8 MB in the beginning and 97.9 MB in the end (delta: 4.9 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1368.45 ms. Allocated memory is still 156.2 MB. Free memory was 97.7 MB in the beginning and 125.2 MB in the end (delta: -27.5 MB). Peak memory consumption was 48.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 49774.46 ms. Allocated memory was 156.2 MB in the beginning and 563.1 MB in the end (delta: 406.8 MB). Free memory was 124.7 MB in the beginning and 474.0 MB in the end (delta: -349.4 MB). Peak memory consumption was 331.2 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: 585]: Loop Invariant Derived loop invariant: (((((((((((!(\old(a8) <= 15) || !(\old(a20) == 1)) || ((((((((1 <= a7 && 13 <= a8) && 1 <= a20) && 1 <= a17) && a21 <= 0) && a20 <= 1) && a17 <= 1) && a7 <= 1) && a8 <= 13)) || !(5 == a16)) || !(\old(a21) == 1)) || a17 == 0) || !(\old(a17) == 1)) || !(15 <= \old(a8))) || ((((a17 == \old(a17) && a21 == 1) && a8 <= 15) && 15 <= a8) && a7 == 0)) || !(5 == \old(a16))) || ((((a21 == a17 && a8 == 15) && !(a7 == 1)) && !(a20 == 1)) && a17 == 1)) || !(a12 == 8)) || !(\old(a7) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 211 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 46.5s, OverallIterations: 6, TraceHistogramMax: 3, AutomataDifference: 22.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 150 SDtfs, 2410 SDslu, 198 SDs, 0 SdLazy, 5475 SolverSat, 544 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 125 GetRequests, 40 SyntacticMatches, 2 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 289 ImplicationChecksByTransitivity, 14.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=627occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 93 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 60 PreInvPairs, 78 NumberOfFragments, 980 HoareAnnotationTreeSize, 60 FomulaSimplifications, 294 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 9 FomulaSimplificationsInter, 1654 FormulaSimplificationTreeSizeReductionInter, 2.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 21.9s InterpolantComputationTime, 816 NumberOfCodeBlocks, 816 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 810 ConstructedInterpolants, 0 QuantifiedInterpolants, 1705369 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 169/176 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...