/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --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_label26.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 04:46:23,564 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 04:46:23,567 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 04:46:23,606 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 04:46:23,607 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 04:46:23,608 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 04:46:23,610 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 04:46:23,612 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 04:46:23,614 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 04:46:23,615 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 04:46:23,617 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 04:46:23,618 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 04:46:23,619 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 04:46:23,620 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 04:46:23,621 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 04:46:23,622 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 04:46:23,623 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 04:46:23,624 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 04:46:23,627 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 04:46:23,629 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 04:46:23,631 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 04:46:23,632 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 04:46:23,633 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 04:46:23,634 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 04:46:23,638 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 04:46:23,638 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 04:46:23,638 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 04:46:23,640 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 04:46:23,640 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 04:46:23,641 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 04:46:23,642 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 04:46:23,643 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 04:46:23,644 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 04:46:23,644 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 04:46:23,646 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 04:46:23,646 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 04:46:23,647 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 04:46:23,647 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 04:46:23,648 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 04:46:23,649 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 04:46:23,650 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 04:46:23,653 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 [2020-10-29 04:46:23,714 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 04:46:23,714 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 04:46:23,716 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 04:46:23,717 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 04:46:23,717 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 04:46:23,717 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 04:46:23,717 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 04:46:23,717 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 04:46:23,718 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 04:46:23,718 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 04:46:23,718 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 04:46:23,718 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 04:46:23,718 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 04:46:23,719 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 04:46:23,719 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 04:46:23,720 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 04:46:23,720 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 04:46:23,720 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 04:46:23,721 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 04:46:23,721 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 04:46:23,721 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 04:46:23,721 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 04:46:23,722 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 04:46:23,722 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 04:46:23,722 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 04:46:23,722 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 04:46:23,722 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 04:46:23,723 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 04:46:23,723 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 04:46:23,723 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 04:46:24,193 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 04:46:24,233 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 04:46:24,236 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 04:46:24,238 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 04:46:24,238 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 04:46:24,239 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label26.c [2020-10-29 04:46:24,311 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ff434f3ed/1f2c736ec9a44d05bf40da29a50f5512/FLAGeea26cd14 [2020-10-29 04:46:25,014 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 04:46:25,014 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem01_label26.c [2020-10-29 04:46:25,038 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ff434f3ed/1f2c736ec9a44d05bf40da29a50f5512/FLAGeea26cd14 [2020-10-29 04:46:25,266 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ff434f3ed/1f2c736ec9a44d05bf40da29a50f5512 [2020-10-29 04:46:25,272 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 04:46:25,277 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 04:46:25,279 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 04:46:25,280 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 04:46:25,283 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 04:46:25,285 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:46:25" (1/1) ... [2020-10-29 04:46:25,289 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c74a02b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:46:25, skipping insertion in model container [2020-10-29 04:46:25,289 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:46:25" (1/1) ... [2020-10-29 04:46:25,297 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 04:46:25,370 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 04:46:25,778 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 04:46:25,794 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 04:46:25,939 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 04:46:25,960 INFO L208 MainTranslator]: Completed translation [2020-10-29 04:46:25,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:46:25 WrapperNode [2020-10-29 04:46:25,961 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 04:46:25,962 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 04:46:25,962 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 04:46:25,963 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 04:46:25,981 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:46:25" (1/1) ... [2020-10-29 04:46:25,982 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:46:25" (1/1) ... [2020-10-29 04:46:26,004 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:46:25" (1/1) ... [2020-10-29 04:46:26,004 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:46:25" (1/1) ... [2020-10-29 04:46:26,108 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:46:25" (1/1) ... [2020-10-29 04:46:26,145 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:46:25" (1/1) ... [2020-10-29 04:46:26,161 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:46:25" (1/1) ... [2020-10-29 04:46:26,174 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 04:46:26,175 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 04:46:26,175 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 04:46:26,175 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 04:46:26,177 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:46:25" (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 [2020-10-29 04:46:26,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 04:46:26,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 04:46:26,269 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 04:46:26,270 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-29 04:46:26,270 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 04:46:26,271 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-29 04:46:26,271 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 04:46:26,271 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 04:46:26,272 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 04:46:26,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 04:46:26,273 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 04:46:26,273 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-29 04:46:26,273 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 04:46:26,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 04:46:26,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 04:46:26,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 04:46:26,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 04:46:26,275 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 04:46:26,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 04:46:27,630 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 04:46:27,630 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-29 04:46:27,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:46:27 BoogieIcfgContainer [2020-10-29 04:46:27,632 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 04:46:27,634 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 04:46:27,634 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 04:46:27,638 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 04:46:27,638 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 04:46:25" (1/3) ... [2020-10-29 04:46:27,639 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40eb252c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 04:46:27, skipping insertion in model container [2020-10-29 04:46:27,639 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:46:25" (2/3) ... [2020-10-29 04:46:27,640 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40eb252c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 04:46:27, skipping insertion in model container [2020-10-29 04:46:27,640 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:46:27" (3/3) ... [2020-10-29 04:46:27,642 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label26.c [2020-10-29 04:46:27,654 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 04:46:27,660 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 04:46:27,673 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 04:46:27,702 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 04:46:27,702 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 04:46:27,702 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 04:46:27,703 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 04:46:27,703 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 04:46:27,703 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 04:46:27,703 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 04:46:27,703 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 04:46:27,725 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states. [2020-10-29 04:46:27,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-10-29 04:46:27,737 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:46:27,738 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:46:27,739 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:46:27,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:46:27,748 INFO L82 PathProgramCache]: Analyzing trace with hash 1315592841, now seen corresponding path program 1 times [2020-10-29 04:46:27,756 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:46:27,756 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [524679067] [2020-10-29 04:46:27,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:46:28,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:46:28,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:28,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:30,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:46:30,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-29 04:46:30,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 04:46:30,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2329 [2020-10-29 04:46:30,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:46:30,449 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:46:30,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 04:46:30,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 04:46:30,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-29 04:46:30,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 04:46:30,741 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-29 04:46:30,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:46:30,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:46:30,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:30,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:46:30,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:46:30,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:46:30,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-29 04:46:30,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:46:30,796 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:46:30,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:46:30,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:46:30,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 04:46:30,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:46:30,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 04:46:30,843 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [524679067] [2020-10-29 04:46:30,845 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 04:46:30,846 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-29 04:46:30,846 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853927221] [2020-10-29 04:46:30,851 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-29 04:46:30,852 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:46:30,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-29 04:46:30,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-29 04:46:30,869 INFO L87 Difference]: Start difference. First operand 211 states. Second operand 4 states. [2020-10-29 04:46:31,024 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-29 04:46:32,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:46:32,733 INFO L93 Difference]: Finished difference Result 562 states and 962 transitions. [2020-10-29 04:46:32,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 04:46:32,738 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 110 [2020-10-29 04:46:32,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:46:32,761 INFO L225 Difference]: With dead ends: 562 [2020-10-29 04:46:32,761 INFO L226 Difference]: Without dead ends: 287 [2020-10-29 04:46:32,768 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-29 04:46:32,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2020-10-29 04:46:32,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 281. [2020-10-29 04:46:32,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 281 states. [2020-10-29 04:46:32,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 385 transitions. [2020-10-29 04:46:32,845 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 385 transitions. Word has length 110 [2020-10-29 04:46:32,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:46:32,846 INFO L481 AbstractCegarLoop]: Abstraction has 281 states and 385 transitions. [2020-10-29 04:46:32,846 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-29 04:46:32,846 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 385 transitions. [2020-10-29 04:46:32,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-10-29 04:46:32,852 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:46:32,852 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:46:32,852 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 04:46:32,853 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:46:32,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:46:32,853 INFO L82 PathProgramCache]: Analyzing trace with hash -1908289750, now seen corresponding path program 1 times [2020-10-29 04:46:32,854 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:46:32,854 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1290017907] [2020-10-29 04:46:32,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:46:32,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:46:32,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:32,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:35,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:37,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:46:37,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-29 04:46:37,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 04:46:37,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4131 [2020-10-29 04:46:37,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:46:37,015 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:46:37,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:46:37,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-29 04:46:37,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-10-29 04:46:37,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 04:46:37,276 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-29 04:46:37,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:46:37,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:46:37,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:37,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:46:37,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:46:37,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:46:37,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 04:46:37,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:46:37,301 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:46:37,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:46:37,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:46:37,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:46:37,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-29 04:46:37,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:46:37,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:46:37,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:37,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:46:37,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 04:46:37,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:46:37,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-29 04:46:37,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:46:37,378 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:46:37,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:46:37,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:46:37,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 04:46:37,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:46:37,410 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 04:46:37,411 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1290017907] [2020-10-29 04:46:37,411 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:46:37,411 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 04:46:37,413 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360145864] [2020-10-29 04:46:37,416 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 04:46:37,416 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:46:37,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 04:46:37,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 04:46:37,422 INFO L87 Difference]: Start difference. First operand 281 states and 385 transitions. Second operand 5 states. [2020-10-29 04:46:38,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:46:38,993 INFO L93 Difference]: Finished difference Result 838 states and 1171 transitions. [2020-10-29 04:46:38,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 04:46:38,994 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 119 [2020-10-29 04:46:38,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:46:39,000 INFO L225 Difference]: With dead ends: 838 [2020-10-29 04:46:39,001 INFO L226 Difference]: Without dead ends: 563 [2020-10-29 04:46:39,004 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 04:46:39,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states. [2020-10-29 04:46:39,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 559. [2020-10-29 04:46:39,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 559 states. [2020-10-29 04:46:39,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 559 states and 736 transitions. [2020-10-29 04:46:39,083 INFO L78 Accepts]: Start accepts. Automaton has 559 states and 736 transitions. Word has length 119 [2020-10-29 04:46:39,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:46:39,084 INFO L481 AbstractCegarLoop]: Abstraction has 559 states and 736 transitions. [2020-10-29 04:46:39,084 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 04:46:39,084 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 736 transitions. [2020-10-29 04:46:39,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-29 04:46:39,089 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:46:39,089 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, 1, 1, 1] [2020-10-29 04:46:39,089 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 04:46:39,089 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:46:39,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:46:39,090 INFO L82 PathProgramCache]: Analyzing trace with hash -215052346, now seen corresponding path program 1 times [2020-10-29 04:46:39,090 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:46:39,091 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1330033924] [2020-10-29 04:46:39,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:46:39,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:46:39,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:39,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:39,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:39,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:46:39,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-29 04:46:39,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 04:46:39,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 778 [2020-10-29 04:46:39,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:46:39,912 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:46:39,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:46:39,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-29 04:46:39,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-10-29 04:46:39,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:46:40,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:46:40,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:46:40,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:40,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:46:40,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:46:40,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:46:40,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 04:46:40,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:46:40,076 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:46:40,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:46:40,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:46:40,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:46:40,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:46:40,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:46:40,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:46:40,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:40,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:46:40,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 04:46:40,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:46:40,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 04:46:40,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:46:40,123 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:46:40,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:46:40,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:46:40,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:46:40,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:46:40,172 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 04:46:40,172 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1330033924] [2020-10-29 04:46:40,172 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:46:40,173 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-29 04:46:40,173 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630287073] [2020-10-29 04:46:40,174 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-29 04:46:40,175 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:46:40,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-29 04:46:40,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-29 04:46:40,178 INFO L87 Difference]: Start difference. First operand 559 states and 736 transitions. Second operand 6 states. [2020-10-29 04:46:42,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:46:42,493 INFO L93 Difference]: Finished difference Result 2077 states and 2849 transitions. [2020-10-29 04:46:42,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-29 04:46:42,493 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 121 [2020-10-29 04:46:42,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:46:42,503 INFO L225 Difference]: With dead ends: 2077 [2020-10-29 04:46:42,503 INFO L226 Difference]: Without dead ends: 1387 [2020-10-29 04:46:42,506 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 [2020-10-29 04:46:42,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1387 states. [2020-10-29 04:46:42,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1387 to 976. [2020-10-29 04:46:42,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 976 states. [2020-10-29 04:46:42,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 976 states to 976 states and 1223 transitions. [2020-10-29 04:46:42,556 INFO L78 Accepts]: Start accepts. Automaton has 976 states and 1223 transitions. Word has length 121 [2020-10-29 04:46:42,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:46:42,557 INFO L481 AbstractCegarLoop]: Abstraction has 976 states and 1223 transitions. [2020-10-29 04:46:42,557 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-29 04:46:42,557 INFO L276 IsEmpty]: Start isEmpty. Operand 976 states and 1223 transitions. [2020-10-29 04:46:42,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-10-29 04:46:42,561 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:46:42,561 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:46:42,562 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 04:46:42,562 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:46:42,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:46:42,562 INFO L82 PathProgramCache]: Analyzing trace with hash -970841546, now seen corresponding path program 1 times [2020-10-29 04:46:42,563 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:46:42,563 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1175717890] [2020-10-29 04:46:42,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:46:42,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:46:42,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:42,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:44,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:45,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:46,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:46:46,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-29 04:46:46,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 04:46:46,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3833 [2020-10-29 04:46:46,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:46:46,420 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:46:46,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:46:46,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-29 04:46:46,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-10-29 04:46:46,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:46:46,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:46:46,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:46:46,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:46,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:46:46,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:46:46,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:46:46,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 04:46:46,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:46:46,613 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:46:46,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:46:46,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:46:46,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:46:46,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:46:46,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:46:46,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:46:46,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:46,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:46:46,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-29 04:46:46,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:46:46,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-29 04:46:46,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:46:46,663 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:46:46,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:46:46,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:46:46,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-29 04:46:46,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:46:46,695 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 04:46:46,696 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1175717890] [2020-10-29 04:46:46,696 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:46:46,696 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 04:46:46,696 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477008963] [2020-10-29 04:46:46,697 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 04:46:46,697 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:46:46,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 04:46:46,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 04:46:46,698 INFO L87 Difference]: Start difference. First operand 976 states and 1223 transitions. Second operand 5 states. [2020-10-29 04:46:48,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:46:48,162 INFO L93 Difference]: Finished difference Result 2361 states and 3054 transitions. [2020-10-29 04:46:48,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 04:46:48,165 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 129 [2020-10-29 04:46:48,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:46:48,180 INFO L225 Difference]: With dead ends: 2361 [2020-10-29 04:46:48,181 INFO L226 Difference]: Without dead ends: 1391 [2020-10-29 04:46:48,184 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 04:46:48,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1391 states. [2020-10-29 04:46:48,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1391 to 1387. [2020-10-29 04:46:48,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1387 states. [2020-10-29 04:46:48,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1387 states to 1387 states and 1750 transitions. [2020-10-29 04:46:48,256 INFO L78 Accepts]: Start accepts. Automaton has 1387 states and 1750 transitions. Word has length 129 [2020-10-29 04:46:48,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:46:48,258 INFO L481 AbstractCegarLoop]: Abstraction has 1387 states and 1750 transitions. [2020-10-29 04:46:48,258 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 04:46:48,258 INFO L276 IsEmpty]: Start isEmpty. Operand 1387 states and 1750 transitions. [2020-10-29 04:46:48,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-10-29 04:46:48,264 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:46:48,264 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:46:48,265 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 04:46:48,265 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:46:48,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:46:48,265 INFO L82 PathProgramCache]: Analyzing trace with hash -114326045, now seen corresponding path program 1 times [2020-10-29 04:46:48,265 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:46:48,266 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2011787745] [2020-10-29 04:46:48,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:46:48,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:46:48,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:48,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:50,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:51,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:52,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:46:52,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-29 04:46:52,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 04:46:52,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3752 [2020-10-29 04:46:52,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:46:52,046 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:46:52,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:46:52,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-10-29 04:46:52,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-10-29 04:46:52,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:46:52,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:46:52,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:46:52,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:52,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:46:52,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:46:52,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:46:52,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 04:46:52,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:46:52,224 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:46:52,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:46:52,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:46:52,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:46:52,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:46:52,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:46:52,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:46:52,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:52,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:46:52,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 04:46:52,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:46:52,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-29 04:46:52,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:46:52,292 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:46:52,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:46:52,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:46:52,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-29 04:46:52,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:46:52,343 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 04:46:52,344 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2011787745] [2020-10-29 04:46:52,344 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:46:52,344 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 04:46:52,344 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607220592] [2020-10-29 04:46:52,345 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 04:46:52,345 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:46:52,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 04:46:52,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 04:46:52,347 INFO L87 Difference]: Start difference. First operand 1387 states and 1750 transitions. Second operand 5 states. [2020-10-29 04:46:53,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:46:53,827 INFO L93 Difference]: Finished difference Result 4007 states and 5164 transitions. [2020-10-29 04:46:53,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 04:46:53,828 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 136 [2020-10-29 04:46:53,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:46:53,843 INFO L225 Difference]: With dead ends: 4007 [2020-10-29 04:46:53,844 INFO L226 Difference]: Without dead ends: 2626 [2020-10-29 04:46:53,849 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 04:46:53,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2626 states. [2020-10-29 04:46:53,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2626 to 1945. [2020-10-29 04:46:53,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1945 states. [2020-10-29 04:46:53,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1945 states to 1945 states and 2506 transitions. [2020-10-29 04:46:53,937 INFO L78 Accepts]: Start accepts. Automaton has 1945 states and 2506 transitions. Word has length 136 [2020-10-29 04:46:53,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:46:53,937 INFO L481 AbstractCegarLoop]: Abstraction has 1945 states and 2506 transitions. [2020-10-29 04:46:53,938 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 04:46:53,938 INFO L276 IsEmpty]: Start isEmpty. Operand 1945 states and 2506 transitions. [2020-10-29 04:46:53,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-10-29 04:46:53,946 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:46:53,946 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, 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] [2020-10-29 04:46:53,947 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-29 04:46:53,947 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:46:53,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:46:53,947 INFO L82 PathProgramCache]: Analyzing trace with hash -1040484450, now seen corresponding path program 1 times [2020-10-29 04:46:53,948 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:46:53,948 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1046820045] [2020-10-29 04:46:53,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:46:53,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:46:54,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:54,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:54,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:55,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:46:55,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 185 [2020-10-29 04:46:55,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 04:46:55,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1759 [2020-10-29 04:46:55,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:46:55,754 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:46:55,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 04:46:55,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 04:46:55,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 176 [2020-10-29 04:46:55,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:46:55,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:46:55,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:46:55,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:55,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:46:55,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:46:55,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:46:55,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 04:46:55,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:46:55,928 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:46:55,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:46:55,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:46:55,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 04:46:55,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:46:55,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:46:55,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:46:55,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:56,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:46:56,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-29 04:46:56,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:46:56,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-10-29 04:46:56,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:46:56,056 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:46:56,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:46:56,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 04:46:56,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-29 04:46:56,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:46:56,136 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-29 04:46:56,137 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1046820045] [2020-10-29 04:46:56,138 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:46:56,138 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 04:46:56,138 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085552075] [2020-10-29 04:46:56,139 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-29 04:46:56,139 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:46:56,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-29 04:46:56,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-29 04:46:56,140 INFO L87 Difference]: Start difference. First operand 1945 states and 2506 transitions. Second operand 6 states. [2020-10-29 04:46:57,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:46:57,616 INFO L93 Difference]: Finished difference Result 5735 states and 7680 transitions. [2020-10-29 04:46:57,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-29 04:46:57,617 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 173 [2020-10-29 04:46:57,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:46:57,641 INFO L225 Difference]: With dead ends: 5735 [2020-10-29 04:46:57,641 INFO L226 Difference]: Without dead ends: 3796 [2020-10-29 04:46:57,648 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-29 04:46:57,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3796 states. [2020-10-29 04:46:57,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3796 to 3466. [2020-10-29 04:46:57,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3466 states. [2020-10-29 04:46:57,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3466 states to 3466 states and 4369 transitions. [2020-10-29 04:46:57,785 INFO L78 Accepts]: Start accepts. Automaton has 3466 states and 4369 transitions. Word has length 173 [2020-10-29 04:46:57,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:46:57,785 INFO L481 AbstractCegarLoop]: Abstraction has 3466 states and 4369 transitions. [2020-10-29 04:46:57,786 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-29 04:46:57,786 INFO L276 IsEmpty]: Start isEmpty. Operand 3466 states and 4369 transitions. [2020-10-29 04:46:57,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2020-10-29 04:46:57,798 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:46:57,799 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:46:57,799 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-29 04:46:57,799 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:46:57,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:46:57,800 INFO L82 PathProgramCache]: Analyzing trace with hash 1892151828, now seen corresponding path program 1 times [2020-10-29 04:46:57,800 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:46:57,800 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1948245507] [2020-10-29 04:46:57,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:46:57,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:46:57,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:57,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:57,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:58,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:58,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:47:00,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:47:01,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:47:02,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:47:02,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 241 [2020-10-29 04:47:02,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-29 04:47:02,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5041 [2020-10-29 04:47:02,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:47:02,877 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:47:02,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:47:02,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 64 [2020-10-29 04:47:02,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-10-29 04:47:02,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:47:03,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:47:03,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:47:03,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:47:03,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:47:03,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:47:03,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:47:03,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 04:47:03,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:47:03,020 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:47:03,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:47:03,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:47:03,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:47:03,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:47:03,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:47:03,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:47:03,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:47:03,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:47:03,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 04:47:03,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:47:03,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 04:47:03,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:47:03,056 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:47:03,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:47:03,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:47:03,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:47:03,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:47:03,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 04:47:03,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:47:03,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:47:03,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:47:03,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-29 04:47:03,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:47:03,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 04:47:03,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:47:03,071 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:47:03,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:47:03,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:47:03,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:47:03,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:47:03,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-29 04:47:03,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:47:03,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:47:03,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:47:03,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-29 04:47:03,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:47:03,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-29 04:47:03,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:47:03,108 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:47:03,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:47:03,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:47:03,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-29 04:47:03,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 04:47:03,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-29 04:47:03,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:47:03,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:47:03,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:47:03,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-29 04:47:03,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:47:03,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-10-29 04:47:03,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:47:03,224 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:47:03,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:47:03,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 04:47:03,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-29 04:47:03,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:47:03,391 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 152 proven. 2 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-10-29 04:47:03,392 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1948245507] [2020-10-29 04:47:03,392 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:47:03,392 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 04:47:03,392 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665194081] [2020-10-29 04:47:03,393 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 04:47:03,393 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:47:03,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 04:47:03,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-29 04:47:03,395 INFO L87 Difference]: Start difference. First operand 3466 states and 4369 transitions. Second operand 7 states. [2020-10-29 04:47:03,782 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-29 04:47:06,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:47:06,122 INFO L93 Difference]: Finished difference Result 8055 states and 10640 transitions. [2020-10-29 04:47:06,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 04:47:06,123 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 223 [2020-10-29 04:47:06,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:47:06,154 INFO L225 Difference]: With dead ends: 8055 [2020-10-29 04:47:06,155 INFO L226 Difference]: Without dead ends: 4595 [2020-10-29 04:47:06,166 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-29 04:47:06,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4595 states. [2020-10-29 04:47:06,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4595 to 4179. [2020-10-29 04:47:06,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4179 states. [2020-10-29 04:47:06,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4179 states to 4179 states and 5061 transitions. [2020-10-29 04:47:06,329 INFO L78 Accepts]: Start accepts. Automaton has 4179 states and 5061 transitions. Word has length 223 [2020-10-29 04:47:06,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:47:06,330 INFO L481 AbstractCegarLoop]: Abstraction has 4179 states and 5061 transitions. [2020-10-29 04:47:06,330 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 04:47:06,330 INFO L276 IsEmpty]: Start isEmpty. Operand 4179 states and 5061 transitions. [2020-10-29 04:47:06,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2020-10-29 04:47:06,345 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:47:06,346 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:47:06,346 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-29 04:47:06,346 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:47:06,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:47:06,347 INFO L82 PathProgramCache]: Analyzing trace with hash -185561221, now seen corresponding path program 1 times [2020-10-29 04:47:06,347 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:47:06,348 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [309172661] [2020-10-29 04:47:06,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:47:06,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:47:06,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:47:06,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:47:06,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:47:06,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:47:06,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:47:07,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:47:11,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:47:11,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 286 [2020-10-29 04:47:11,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 04:47:11,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5030 [2020-10-29 04:47:11,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:47:11,415 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:47:11,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:47:11,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 109 [2020-10-29 04:47:11,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-10-29 04:47:11,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:47:11,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:47:11,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:47:11,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:47:11,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:47:11,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:47:11,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:47:11,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 04:47:11,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:47:11,564 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:47:11,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:47:11,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:47:11,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:47:11,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:47:11,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:47:11,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:47:11,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:47:11,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:47:11,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 04:47:11,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:47:11,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 04:47:11,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:47:11,661 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:47:11,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:47:11,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:47:11,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:47:11,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:47:11,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 04:47:11,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:47:11,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:47:11,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:47:11,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-29 04:47:11,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:47:11,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 04:47:11,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:47:11,674 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:47:11,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:47:11,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:47:11,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:47:11,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:47:11,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-29 04:47:11,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:47:11,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:47:11,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:47:11,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-29 04:47:11,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:47:11,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 04:47:11,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:47:11,695 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:47:11,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:47:11,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:47:11,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:47:11,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:47:11,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-29 04:47:11,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:47:11,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:47:11,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:47:11,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 04:47:11,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:47:11,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-29 04:47:11,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:47:11,740 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:47:11,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:47:11,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:47:11,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-29 04:47:11,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:47:11,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-29 04:47:11,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:47:11,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:47:11,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:47:11,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-29 04:47:11,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:47:11,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-10-29 04:47:11,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:47:11,854 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:47:11,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:47:11,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 04:47:11,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-29 04:47:11,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:47:12,019 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 237 proven. 2 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2020-10-29 04:47:12,019 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [309172661] [2020-10-29 04:47:12,019 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:47:12,020 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 04:47:12,020 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575835498] [2020-10-29 04:47:12,020 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 04:47:12,021 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:47:12,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 04:47:12,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 04:47:12,021 INFO L87 Difference]: Start difference. First operand 4179 states and 5061 transitions. Second operand 7 states. [2020-10-29 04:47:14,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:47:14,885 INFO L93 Difference]: Finished difference Result 10016 states and 12421 transitions. [2020-10-29 04:47:14,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 04:47:14,886 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 266 [2020-10-29 04:47:14,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:47:14,887 INFO L225 Difference]: With dead ends: 10016 [2020-10-29 04:47:14,887 INFO L226 Difference]: Without dead ends: 0 [2020-10-29 04:47:14,913 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-29 04:47:14,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-29 04:47:14,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-29 04:47:14,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-29 04:47:14,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-29 04:47:14,914 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 266 [2020-10-29 04:47:14,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:47:14,914 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-29 04:47:14,914 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 04:47:14,914 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-29 04:47:14,914 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-29 04:47:14,915 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-29 04:47:14,917 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-29 04:47:15,167 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 105 [2020-10-29 04:47:15,452 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 105 [2020-10-29 04:47:15,580 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 105 [2020-10-29 04:47:17,156 WARN L193 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 150 [2020-10-29 04:47:17,602 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 150 [2020-10-29 04:47:17,830 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 29 [2020-10-29 04:47:19,484 WARN L193 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 237 DAG size of output: 59 [2020-10-29 04:47:19,830 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 51 [2020-10-29 04:47:20,245 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 51 [2020-10-29 04:47:20,617 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 37 [2020-10-29 04:47:20,621 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-29 04:47:20,621 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-29 04:47:20,621 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-29 04:47:20,621 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-29 04:47:20,621 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-29 04:47:20,622 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)|)) [2020-10-29 04:47:20,622 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-29 04:47:20,622 INFO L274 CegarLoopResult]: For program point L564-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:20,622 INFO L274 CegarLoopResult]: For program point L531-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:20,622 INFO L274 CegarLoopResult]: For program point L498-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:20,622 INFO L274 CegarLoopResult]: For program point L465-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:20,622 INFO L274 CegarLoopResult]: For program point L432-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:20,623 INFO L274 CegarLoopResult]: For program point L399-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:20,623 INFO L274 CegarLoopResult]: For program point L267(lines 267 392) no Hoare annotation was computed. [2020-10-29 04:47:20,623 INFO L274 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-10-29 04:47:20,623 INFO L274 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-10-29 04:47:20,623 INFO L274 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-10-29 04:47:20,623 INFO L274 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-10-29 04:47:20,623 INFO L274 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-10-29 04:47:20,623 INFO L274 CegarLoopResult]: For program point L400(line 400) no Hoare annotation was computed. [2020-10-29 04:47:20,623 INFO L274 CegarLoopResult]: For program point L367(lines 367 392) no Hoare annotation was computed. [2020-10-29 04:47:20,623 INFO L274 CegarLoopResult]: For program point L301(lines 301 392) no Hoare annotation was computed. [2020-10-29 04:47:20,624 INFO L274 CegarLoopResult]: For program point L37(lines 37 392) no Hoare annotation was computed. [2020-10-29 04:47:20,624 INFO L274 CegarLoopResult]: For program point L335(lines 335 392) no Hoare annotation was computed. [2020-10-29 04:47:20,624 INFO L274 CegarLoopResult]: For program point L104(lines 104 392) no Hoare annotation was computed. [2020-10-29 04:47:20,624 INFO L274 CegarLoopResult]: For program point L567-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:20,624 INFO L274 CegarLoopResult]: For program point L534-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:20,624 INFO L274 CegarLoopResult]: For program point L501-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:20,624 INFO L274 CegarLoopResult]: For program point L468-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:20,624 INFO L274 CegarLoopResult]: For program point L435-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:20,624 INFO L274 CegarLoopResult]: For program point L402-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:20,625 INFO L274 CegarLoopResult]: For program point L270(lines 270 392) no Hoare annotation was computed. [2020-10-29 04:47:20,625 INFO L274 CegarLoopResult]: For program point L138(lines 138 392) no Hoare annotation was computed. [2020-10-29 04:47:20,625 INFO L274 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-10-29 04:47:20,625 INFO L274 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-10-29 04:47:20,625 INFO L274 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-10-29 04:47:20,625 INFO L274 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-10-29 04:47:20,625 INFO L274 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-10-29 04:47:20,625 INFO L274 CegarLoopResult]: For program point L403(line 403) no Hoare annotation was computed. [2020-10-29 04:47:20,625 INFO L274 CegarLoopResult]: For program point L205(lines 205 392) no Hoare annotation was computed. [2020-10-29 04:47:20,625 INFO L274 CegarLoopResult]: For program point L74(lines 74 392) no Hoare annotation was computed. [2020-10-29 04:47:20,625 INFO L274 CegarLoopResult]: For program point L570-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:20,626 INFO L274 CegarLoopResult]: For program point L537-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:20,626 INFO L274 CegarLoopResult]: For program point L504-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:20,626 INFO L274 CegarLoopResult]: For program point L471-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:20,626 INFO L274 CegarLoopResult]: For program point L438-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:20,626 INFO L274 CegarLoopResult]: For program point L405-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:20,626 INFO L274 CegarLoopResult]: For program point L339(lines 339 392) no Hoare annotation was computed. [2020-10-29 04:47:20,626 INFO L274 CegarLoopResult]: For program point L240(lines 240 392) no Hoare annotation was computed. [2020-10-29 04:47:20,626 INFO L274 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-10-29 04:47:20,626 INFO L274 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-10-29 04:47:20,626 INFO L274 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-10-29 04:47:20,627 INFO L274 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-10-29 04:47:20,627 INFO L274 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-10-29 04:47:20,627 INFO L274 CegarLoopResult]: For program point L406(line 406) no Hoare annotation was computed. [2020-10-29 04:47:20,627 INFO L274 CegarLoopResult]: For program point L175(lines 175 392) no Hoare annotation was computed. [2020-10-29 04:47:20,627 INFO L274 CegarLoopResult]: For program point L142(lines 142 392) no Hoare annotation was computed. [2020-10-29 04:47:20,627 INFO L274 CegarLoopResult]: For program point L374(lines 374 392) no Hoare annotation was computed. [2020-10-29 04:47:20,627 INFO L274 CegarLoopResult]: For program point L308(lines 308 392) no Hoare annotation was computed. [2020-10-29 04:47:20,627 INFO L274 CegarLoopResult]: For program point L275(lines 275 392) no Hoare annotation was computed. [2020-10-29 04:47:20,627 INFO L274 CegarLoopResult]: For program point L110(lines 110 392) no Hoare annotation was computed. [2020-10-29 04:47:20,628 INFO L274 CegarLoopResult]: For program point L573-1(lines 573 575) no Hoare annotation was computed. [2020-10-29 04:47:20,628 INFO L274 CegarLoopResult]: For program point L540-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:20,628 INFO L274 CegarLoopResult]: For program point L507-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:20,628 INFO L274 CegarLoopResult]: For program point L474-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:20,628 INFO L274 CegarLoopResult]: For program point L441-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:20,628 INFO L274 CegarLoopResult]: For program point L408-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:20,628 INFO L274 CegarLoopResult]: For program point L210(lines 210 392) no Hoare annotation was computed. [2020-10-29 04:47:20,628 INFO L274 CegarLoopResult]: For program point L45(lines 45 392) no Hoare annotation was computed. [2020-10-29 04:47:20,628 INFO L274 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-10-29 04:47:20,628 INFO L274 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-10-29 04:47:20,629 INFO L274 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-10-29 04:47:20,629 INFO L274 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-10-29 04:47:20,629 INFO L274 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-10-29 04:47:20,629 INFO L274 CegarLoopResult]: For program point L409(line 409) no Hoare annotation was computed. [2020-10-29 04:47:20,629 INFO L274 CegarLoopResult]: For program point L146(lines 146 392) no Hoare annotation was computed. [2020-10-29 04:47:20,629 INFO L274 CegarLoopResult]: For program point L543-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:20,629 INFO L274 CegarLoopResult]: For program point L510-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:20,629 INFO L274 CegarLoopResult]: For program point L477-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:20,629 INFO L274 CegarLoopResult]: For program point L444-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:20,629 INFO L274 CegarLoopResult]: For program point L411-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:20,629 INFO L274 CegarLoopResult]: For program point L180(lines 180 392) no Hoare annotation was computed. [2020-10-29 04:47:20,630 INFO L274 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-10-29 04:47:20,630 INFO L274 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-10-29 04:47:20,630 INFO L274 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-10-29 04:47:20,630 INFO L274 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-10-29 04:47:20,630 INFO L274 CegarLoopResult]: For program point L412(line 412) no Hoare annotation was computed. [2020-10-29 04:47:20,630 INFO L274 CegarLoopResult]: For program point L379(lines 379 392) no Hoare annotation was computed. [2020-10-29 04:47:20,630 INFO L274 CegarLoopResult]: For program point L280(lines 280 392) no Hoare annotation was computed. [2020-10-29 04:47:20,630 INFO L274 CegarLoopResult]: For program point L247(lines 247 392) no Hoare annotation was computed. [2020-10-29 04:47:20,630 INFO L274 CegarLoopResult]: For program point L82(lines 82 392) no Hoare annotation was computed. [2020-10-29 04:47:20,630 INFO L274 CegarLoopResult]: For program point L347(lines 347 392) no Hoare annotation was computed. [2020-10-29 04:47:20,630 INFO L274 CegarLoopResult]: For program point L314(lines 314 392) no Hoare annotation was computed. [2020-10-29 04:47:20,631 INFO L274 CegarLoopResult]: For program point L116(lines 116 392) no Hoare annotation was computed. [2020-10-29 04:47:20,631 INFO L274 CegarLoopResult]: For program point L546-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:20,631 INFO L274 CegarLoopResult]: For program point L513-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:20,631 INFO L274 CegarLoopResult]: For program point L480-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:20,631 INFO L274 CegarLoopResult]: For program point L447-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:20,631 INFO L274 CegarLoopResult]: For program point L414-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:20,631 INFO L274 CegarLoopResult]: For program point L216(lines 216 392) no Hoare annotation was computed. [2020-10-29 04:47:20,631 INFO L274 CegarLoopResult]: For program point L150(lines 150 392) no Hoare annotation was computed. [2020-10-29 04:47:20,631 INFO L274 CegarLoopResult]: For program point L51(lines 51 392) no Hoare annotation was computed. [2020-10-29 04:47:20,631 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:20,631 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:20,632 INFO L274 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-10-29 04:47:20,632 INFO L274 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-10-29 04:47:20,632 INFO L274 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-10-29 04:47:20,632 INFO L274 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-10-29 04:47:20,632 INFO L274 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-10-29 04:47:20,632 INFO L274 CegarLoopResult]: For program point L86(lines 86 392) no Hoare annotation was computed. [2020-10-29 04:47:20,632 INFO L274 CegarLoopResult]: For program point L549-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:20,632 INFO L274 CegarLoopResult]: For program point L516-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:20,632 INFO L274 CegarLoopResult]: For program point L483-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:20,632 INFO L274 CegarLoopResult]: For program point L450-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:20,633 INFO L274 CegarLoopResult]: For program point L384(lines 384 392) no Hoare annotation was computed. [2020-10-29 04:47:20,633 INFO L274 CegarLoopResult]: For program point L417-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:20,633 INFO L274 CegarLoopResult]: For program point L318(lines 318 392) no Hoare annotation was computed. [2020-10-29 04:47:20,633 INFO L274 CegarLoopResult]: For program point L252(lines 252 392) no Hoare annotation was computed. [2020-10-29 04:47:20,633 INFO L274 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-10-29 04:47:20,633 INFO L274 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-10-29 04:47:20,633 INFO L274 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-10-29 04:47:20,633 INFO L274 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-10-29 04:47:20,633 INFO L274 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-10-29 04:47:20,633 INFO L274 CegarLoopResult]: For program point L220(lines 220 392) no Hoare annotation was computed. [2020-10-29 04:47:20,633 INFO L274 CegarLoopResult]: For program point L154(lines 154 392) no Hoare annotation was computed. [2020-10-29 04:47:20,634 INFO L274 CegarLoopResult]: For program point L121(lines 121 392) no Hoare annotation was computed. [2020-10-29 04:47:20,634 INFO L274 CegarLoopResult]: For program point L320(lines 320 392) no Hoare annotation was computed. [2020-10-29 04:47:20,634 INFO L274 CegarLoopResult]: For program point L188(lines 188 392) no Hoare annotation was computed. [2020-10-29 04:47:20,634 INFO L274 CegarLoopResult]: For program point L56(lines 56 392) no Hoare annotation was computed. [2020-10-29 04:47:20,634 INFO L274 CegarLoopResult]: For program point L552-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:20,634 INFO L274 CegarLoopResult]: For program point L519-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:20,634 INFO L274 CegarLoopResult]: For program point L486-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:20,634 INFO L274 CegarLoopResult]: For program point L453-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:20,634 INFO L274 CegarLoopResult]: For program point L420-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:20,634 INFO L274 CegarLoopResult]: For program point L288(lines 288 392) no Hoare annotation was computed. [2020-10-29 04:47:20,635 INFO L274 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-10-29 04:47:20,635 INFO L274 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-10-29 04:47:20,635 INFO L270 CegarLoopResult]: At program point L487(line 487) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~a20~0)|))) (.cse5 (not (= 5 |old(~a16~0)|))) (.cse4 (not (= |old(~a17~0)| 1))) (.cse3 (not (= |old(~a7~0)| 0))) (.cse2 (not (<= 6 |old(~a16~0)|))) (.cse1 (not (= 0 |old(~a17~0)|)))) (and (or .cse0 .cse1) (or .cse0 .cse2 .cse3) (or .cse4 .cse5 .cse3) (or .cse5 .cse1) (= 15 |old(~a8~0)|) (or .cse4 (= |old(~a20~0)| 1)) (or (not (<= 1 |old(~a20~0)|)) .cse3 .cse1 (not (<= |old(~a20~0)| 1))) (or .cse2 .cse1))) [2020-10-29 04:47:20,635 INFO L274 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-10-29 04:47:20,635 INFO L274 CegarLoopResult]: For program point L487-1(line 487) no Hoare annotation was computed. [2020-10-29 04:47:20,635 INFO L274 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-10-29 04:47:20,635 INFO L274 CegarLoopResult]: For program point L355(lines 355 392) no Hoare annotation was computed. [2020-10-29 04:47:20,635 INFO L274 CegarLoopResult]: For program point L191(lines 191 392) no Hoare annotation was computed. [2020-10-29 04:47:20,635 INFO L274 CegarLoopResult]: For program point L555-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:20,636 INFO L274 CegarLoopResult]: For program point L522-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:20,636 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 32 577) the Hoare annotation is: (let ((.cse5 (= ~a7~0 |old(~a7~0)|)) (.cse6 (= ~a17~0 |old(~a17~0)|)) (.cse7 (= ~a21~0 |old(~a21~0)|)) (.cse8 (= ~a20~0 |old(~a20~0)|)) (.cse13 (= ~a16~0 |old(~a16~0)|)) (.cse9 (= ~a8~0 |old(~a8~0)|)) (.cse15 (= ~a7~0 0))) (let ((.cse0 (and .cse6 .cse7 .cse8 .cse13 .cse9 .cse15)) (.cse3 (not (= 0 |old(~a20~0)|))) (.cse12 (not (<= 6 |old(~a16~0)|))) (.cse2 (not (= 0 |old(~a17~0)|))) (.cse4 (and .cse5 .cse6 .cse7 .cse8 .cse13 .cse9)) (.cse14 (not (= |old(~a17~0)| 1))) (.cse10 (= 5 ~a16~0)) (.cse11 (not (= 5 |old(~a16~0)|))) (.cse1 (not (= |old(~a7~0)| 0)))) (and (or .cse0 (not (<= 1 |old(~a20~0)|)) .cse1 .cse2 (not (<= |old(~a20~0)| 1))) (or .cse3 .cse4 .cse2) (or (and .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) .cse11 .cse2) (or .cse0 .cse3 .cse12 .cse1) (or .cse4 .cse12 .cse2) (or (= 15 |old(~a8~0)|) (and .cse6 .cse5 .cse7 .cse8 .cse13 .cse9)) (or .cse14 (= |old(~a20~0)| 1) .cse4) (or .cse14 (and .cse6 .cse7 .cse8 .cse9 .cse10 .cse15) .cse11 .cse1)))) [2020-10-29 04:47:20,636 INFO L274 CegarLoopResult]: For program point L489-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:20,636 INFO L274 CegarLoopResult]: For program point L456-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:20,636 INFO L274 CegarLoopResult]: For program point L423-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:20,636 INFO L274 CegarLoopResult]: For program point L357(lines 357 392) no Hoare annotation was computed. [2020-10-29 04:47:20,636 INFO L274 CegarLoopResult]: For program point L258(lines 258 392) no Hoare annotation was computed. [2020-10-29 04:47:20,637 INFO L274 CegarLoopResult]: For program point L225(lines 225 392) no Hoare annotation was computed. [2020-10-29 04:47:20,637 INFO L274 CegarLoopResult]: For program point L126(lines 126 392) no Hoare annotation was computed. [2020-10-29 04:47:20,637 INFO L274 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-10-29 04:47:20,637 INFO L274 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-10-29 04:47:20,637 INFO L274 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-10-29 04:47:20,637 INFO L274 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-10-29 04:47:20,637 INFO L274 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-10-29 04:47:20,637 INFO L274 CegarLoopResult]: For program point L94(lines 94 392) no Hoare annotation was computed. [2020-10-29 04:47:20,637 INFO L274 CegarLoopResult]: For program point L326(lines 326 392) no Hoare annotation was computed. [2020-10-29 04:47:20,637 INFO L274 CegarLoopResult]: For program point L558-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:20,637 INFO L274 CegarLoopResult]: For program point L525-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:20,637 INFO L274 CegarLoopResult]: For program point L492-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:20,638 INFO L274 CegarLoopResult]: For program point L459-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:20,638 INFO L274 CegarLoopResult]: For program point L393(lines 393 395) no Hoare annotation was computed. [2020-10-29 04:47:20,638 INFO L274 CegarLoopResult]: For program point L426-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:20,638 INFO L274 CegarLoopResult]: For program point L393-2(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:20,638 INFO L274 CegarLoopResult]: For program point L294(lines 294 392) no Hoare annotation was computed. [2020-10-29 04:47:20,638 INFO L274 CegarLoopResult]: For program point L162(lines 162 392) no Hoare annotation was computed. [2020-10-29 04:47:20,638 INFO L274 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-10-29 04:47:20,638 INFO L274 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-10-29 04:47:20,638 INFO L274 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-10-29 04:47:20,638 INFO L274 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-10-29 04:47:20,638 INFO L274 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-10-29 04:47:20,639 INFO L274 CegarLoopResult]: For program point L394(line 394) no Hoare annotation was computed. [2020-10-29 04:47:20,639 INFO L274 CegarLoopResult]: For program point L196(lines 196 392) no Hoare annotation was computed. [2020-10-29 04:47:20,639 INFO L274 CegarLoopResult]: For program point L64(lines 64 392) no Hoare annotation was computed. [2020-10-29 04:47:20,639 INFO L274 CegarLoopResult]: For program point L263(lines 263 392) no Hoare annotation was computed. [2020-10-29 04:47:20,639 INFO L274 CegarLoopResult]: For program point L131(lines 131 392) no Hoare annotation was computed. [2020-10-29 04:47:20,639 INFO L274 CegarLoopResult]: For program point L561-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:20,639 INFO L274 CegarLoopResult]: For program point L528-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:20,639 INFO L274 CegarLoopResult]: For program point L495-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:20,639 INFO L274 CegarLoopResult]: For program point L462-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:20,639 INFO L274 CegarLoopResult]: For program point L429-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:20,639 INFO L274 CegarLoopResult]: For program point L363(lines 363 392) no Hoare annotation was computed. [2020-10-29 04:47:20,639 INFO L274 CegarLoopResult]: For program point L396-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:20,640 INFO L274 CegarLoopResult]: For program point L99(lines 99 392) no Hoare annotation was computed. [2020-10-29 04:47:20,640 INFO L274 CegarLoopResult]: For program point L33(lines 33 392) no Hoare annotation was computed. [2020-10-29 04:47:20,640 INFO L274 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-10-29 04:47:20,640 INFO L274 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-10-29 04:47:20,640 INFO L274 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-10-29 04:47:20,640 INFO L274 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-10-29 04:47:20,640 INFO L274 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-10-29 04:47:20,640 INFO L274 CegarLoopResult]: For program point L397(line 397) no Hoare annotation was computed. [2020-10-29 04:47:20,640 INFO L274 CegarLoopResult]: For program point L331(lines 331 392) no Hoare annotation was computed. [2020-10-29 04:47:20,640 INFO L274 CegarLoopResult]: For program point L199(lines 199 392) no Hoare annotation was computed. [2020-10-29 04:47:20,640 INFO L274 CegarLoopResult]: For program point L67(lines 67 392) no Hoare annotation was computed. [2020-10-29 04:47:20,640 INFO L274 CegarLoopResult]: For program point L365(lines 365 392) no Hoare annotation was computed. [2020-10-29 04:47:20,641 INFO L274 CegarLoopResult]: For program point L233(lines 233 392) no Hoare annotation was computed. [2020-10-29 04:47:20,641 INFO L274 CegarLoopResult]: For program point L167(lines 167 392) no Hoare annotation was computed. [2020-10-29 04:47:20,641 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-29 04:47:20,641 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 5 ~a16~0) (= ~a7~0 0) (= ~a17~0 1)) [2020-10-29 04:47:20,641 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-29 04:47:20,641 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-29 04:47:20,641 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 579 596) the Hoare annotation is: (or (not (= |old(~a17~0)| 1)) (and (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a8~0 |old(~a8~0)|) (= 5 ~a16~0) (= ~a7~0 0)) (not (= 5 |old(~a16~0)|)) (not (= |old(~a7~0)| 0))) [2020-10-29 04:47:20,641 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 579 596) no Hoare annotation was computed. [2020-10-29 04:47:20,641 INFO L270 CegarLoopResult]: At program point L593(line 593) the Hoare annotation is: (let ((.cse0 (= ~a20~0 0)) (.cse2 (<= 6 ~a16~0)) (.cse3 (= ~a7~0 0)) (.cse1 (= ~a17~0 0))) (or (not (= |old(~a17~0)| 1)) (and .cse0 .cse1) (and .cse2 .cse1) (not (= ~a8~0 15)) (and (<= |old(~a20~0)| ~a20~0) (<= 1 |old(~a20~0)|) (<= ~a20~0 |old(~a20~0)|) .cse3 .cse1 (<= |old(~a20~0)| 1)) (and (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|)) (and .cse0 .cse2 .cse3) (and (not (= ~a20~0 1)) (= ~a17~0 1)) (and (= 5 ~a16~0) .cse1) (not (= 5 |old(~a16~0)|)) (not (= |old(~a7~0)| 0)))) [2020-10-29 04:47:20,642 INFO L274 CegarLoopResult]: For program point L593-1(line 593) no Hoare annotation was computed. [2020-10-29 04:47:20,642 INFO L274 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-10-29 04:47:20,642 INFO L270 CegarLoopResult]: At program point L585-2(lines 585 595) the Hoare annotation is: (let ((.cse0 (= ~a20~0 0)) (.cse2 (<= 6 ~a16~0)) (.cse3 (= ~a7~0 0)) (.cse1 (= ~a17~0 0))) (or (not (= |old(~a17~0)| 1)) (and .cse0 .cse1) (and .cse2 .cse1) (not (= ~a8~0 15)) (and (<= |old(~a20~0)| ~a20~0) (<= 1 |old(~a20~0)|) (<= ~a20~0 |old(~a20~0)|) .cse3 .cse1 (<= |old(~a20~0)| 1)) (and (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|)) (and .cse0 .cse2 .cse3) (and (not (= ~a20~0 1)) (= ~a17~0 1)) (and (= 5 ~a16~0) .cse1) (not (= 5 |old(~a16~0)|)) (not (= |old(~a7~0)| 0)))) [2020-10-29 04:47:20,642 INFO L274 CegarLoopResult]: For program point L585-3(lines 579 596) no Hoare annotation was computed. [2020-10-29 04:47:20,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 04:47:20 BoogieIcfgContainer [2020-10-29 04:47:20,661 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-29 04:47:20,662 INFO L168 Benchmark]: Toolchain (without parser) took 55388.57 ms. Allocated memory was 151.0 MB in the beginning and 1.0 GB in the end (delta: 859.8 MB). Free memory was 125.2 MB in the beginning and 829.5 MB in the end (delta: -704.3 MB). Peak memory consumption was 609.0 MB. Max. memory is 8.0 GB. [2020-10-29 04:47:20,663 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 151.0 MB. Free memory is still 125.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-29 04:47:20,663 INFO L168 Benchmark]: CACSL2BoogieTranslator took 681.96 ms. Allocated memory is still 151.0 MB. Free memory was 124.4 MB in the beginning and 97.1 MB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 8.0 GB. [2020-10-29 04:47:20,664 INFO L168 Benchmark]: Boogie Preprocessor took 211.68 ms. Allocated memory is still 151.0 MB. Free memory was 97.1 MB in the beginning and 129.8 MB in the end (delta: -32.7 MB). Peak memory consumption was 5.8 MB. Max. memory is 8.0 GB. [2020-10-29 04:47:20,665 INFO L168 Benchmark]: RCFGBuilder took 1457.55 ms. Allocated memory was 151.0 MB in the beginning and 200.3 MB in the end (delta: 49.3 MB). Free memory was 129.8 MB in the beginning and 131.8 MB in the end (delta: -2.0 MB). Peak memory consumption was 59.9 MB. Max. memory is 8.0 GB. [2020-10-29 04:47:20,666 INFO L168 Benchmark]: TraceAbstraction took 53026.48 ms. Allocated memory was 200.3 MB in the beginning and 1.0 GB in the end (delta: 810.5 MB). Free memory was 131.8 MB in the beginning and 829.5 MB in the end (delta: -697.7 MB). Peak memory consumption was 565.3 MB. Max. memory is 8.0 GB. [2020-10-29 04:47:20,669 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 151.0 MB. Free memory is still 125.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 681.96 ms. Allocated memory is still 151.0 MB. Free memory was 124.4 MB in the beginning and 97.1 MB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 211.68 ms. Allocated memory is still 151.0 MB. Free memory was 97.1 MB in the beginning and 129.8 MB in the end (delta: -32.7 MB). Peak memory consumption was 5.8 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1457.55 ms. Allocated memory was 151.0 MB in the beginning and 200.3 MB in the end (delta: 49.3 MB). Free memory was 129.8 MB in the beginning and 131.8 MB in the end (delta: -2.0 MB). Peak memory consumption was 59.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 53026.48 ms. Allocated memory was 200.3 MB in the beginning and 1.0 GB in the end (delta: 810.5 MB). Free memory was 131.8 MB in the beginning and 829.5 MB in the end (delta: -697.7 MB). Peak memory consumption was 565.3 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(a17) == 1) || (a20 == 0 && a17 == 0)) || (6 <= a16 && a17 == 0)) || !(a8 == 15)) || (((((\old(a20) <= a20 && 1 <= \old(a20)) && a20 <= \old(a20)) && a7 == 0) && a17 == 0) && \old(a20) <= 1)) || (((((a7 == \old(a7) && a17 == \old(a17)) && a21 == \old(a21)) && a20 == \old(a20)) && a16 == \old(a16)) && a8 == \old(a8))) || ((a20 == 0 && 6 <= a16) && a7 == 0)) || (!(a20 == 1) && a17 == 1)) || (5 == a16 && a17 == 0)) || !(5 == \old(a16))) || !(\old(a7) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 211 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 47.2s, OverallIterations: 8, TraceHistogramMax: 6, AutomataDifference: 15.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 250 SDtfs, 2576 SDslu, 223 SDs, 0 SdLazy, 6936 SolverSat, 892 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 114 GetRequests, 66 SyntacticMatches, 2 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4179occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 8 MinimizatonAttempts, 1852 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 358 PreInvPairs, 518 NumberOfFragments, 637 HoareAnnotationTreeSize, 358 FomulaSimplifications, 334818 FormulaSimplificationTreeSizeReduction, 2.7s HoareSimplificationTime, 9 FomulaSimplificationsInter, 10471 FormulaSimplificationTreeSizeReductionInter, 2.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 29.4s InterpolantComputationTime, 1277 NumberOfCodeBlocks, 1277 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1269 ConstructedInterpolants, 0 QuantifiedInterpolants, 760306 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 1 PerfectInterpolantSequences, 573/638 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...