/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/eca-rers2012/Problem11_label32.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 12:07:16,694 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 12:07:16,702 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 12:07:16,758 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 12:07:16,759 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 12:07:16,766 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 12:07:16,768 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 12:07:16,771 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 12:07:16,774 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 12:07:16,775 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 12:07:16,776 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 12:07:16,777 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 12:07:16,778 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 12:07:16,779 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 12:07:16,780 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 12:07:16,782 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 12:07:16,783 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 12:07:16,784 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 12:07:16,786 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 12:07:16,788 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 12:07:16,790 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 12:07:16,792 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 12:07:16,793 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 12:07:16,794 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 12:07:16,797 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 12:07:16,798 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 12:07:16,798 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 12:07:16,799 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 12:07:16,800 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 12:07:16,801 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 12:07:16,801 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 12:07:16,802 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 12:07:16,803 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 12:07:16,804 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 12:07:16,805 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 12:07:16,805 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 12:07:16,806 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 12:07:16,807 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 12:07:16,807 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 12:07:16,808 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 12:07:16,809 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 12:07:16,810 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-28 12:07:16,849 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 12:07:16,849 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 12:07:16,851 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 12:07:16,851 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 12:07:16,851 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 12:07:16,851 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 12:07:16,852 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 12:07:16,852 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 12:07:16,852 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 12:07:16,852 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 12:07:16,852 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 12:07:16,853 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 12:07:16,853 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 12:07:16,853 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 12:07:16,853 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 12:07:16,853 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 12:07:16,854 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 12:07:16,854 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 12:07:16,854 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 12:07:16,854 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 12:07:16,854 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 12:07:16,855 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 12:07:16,855 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 12:07:16,855 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 12:07:16,855 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 12:07:16,856 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 12:07:16,856 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 12:07:16,856 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 12:07:16,856 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 12:07:16,856 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 12:07:17,259 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 12:07:17,320 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 12:07:17,325 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 12:07:17,327 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 12:07:17,328 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 12:07:17,330 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label32.c [2020-10-28 12:07:17,428 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/eb192e3ae/ef695e4534744ee4a91bac9b87119309/FLAGab457ec69 [2020-10-28 12:07:18,224 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 12:07:18,225 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem11_label32.c [2020-10-28 12:07:18,247 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/eb192e3ae/ef695e4534744ee4a91bac9b87119309/FLAGab457ec69 [2020-10-28 12:07:18,418 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/eb192e3ae/ef695e4534744ee4a91bac9b87119309 [2020-10-28 12:07:18,425 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 12:07:18,431 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 12:07:18,433 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 12:07:18,433 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 12:07:18,438 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 12:07:18,440 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 12:07:18" (1/1) ... [2020-10-28 12:07:18,444 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a5d40e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:07:18, skipping insertion in model container [2020-10-28 12:07:18,444 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 12:07:18" (1/1) ... [2020-10-28 12:07:18,454 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 12:07:18,542 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 12:07:19,206 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 12:07:19,219 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 12:07:19,387 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 12:07:19,407 INFO L208 MainTranslator]: Completed translation [2020-10-28 12:07:19,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:07:19 WrapperNode [2020-10-28 12:07:19,408 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 12:07:19,410 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 12:07:19,410 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 12:07:19,410 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 12:07:19,425 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:07:19" (1/1) ... [2020-10-28 12:07:19,426 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:07:19" (1/1) ... [2020-10-28 12:07:19,459 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:07:19" (1/1) ... [2020-10-28 12:07:19,460 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:07:19" (1/1) ... [2020-10-28 12:07:19,515 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:07:19" (1/1) ... [2020-10-28 12:07:19,528 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:07:19" (1/1) ... [2020-10-28 12:07:19,537 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:07:19" (1/1) ... [2020-10-28 12:07:19,551 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 12:07:19,552 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 12:07:19,552 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 12:07:19,552 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 12:07:19,553 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:07:19" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 12:07:19,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 12:07:19,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 12:07:19,655 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 12:07:19,655 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-28 12:07:19,655 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 12:07:19,656 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-28 12:07:19,656 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 12:07:19,656 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 12:07:19,656 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 12:07:19,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 12:07:19,656 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 12:07:19,657 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-28 12:07:19,657 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 12:07:19,657 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 12:07:19,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 12:07:19,657 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 12:07:19,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 12:07:19,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 12:07:19,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 12:07:21,767 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 12:07:21,767 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-28 12:07:21,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 12:07:21 BoogieIcfgContainer [2020-10-28 12:07:21,771 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 12:07:21,776 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 12:07:21,777 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 12:07:21,781 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 12:07:21,782 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 12:07:18" (1/3) ... [2020-10-28 12:07:21,783 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76c7b941 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 12:07:21, skipping insertion in model container [2020-10-28 12:07:21,784 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:07:19" (2/3) ... [2020-10-28 12:07:21,784 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76c7b941 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 12:07:21, skipping insertion in model container [2020-10-28 12:07:21,784 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 12:07:21" (3/3) ... [2020-10-28 12:07:21,786 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label32.c [2020-10-28 12:07:21,801 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 12:07:21,808 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 12:07:21,823 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 12:07:21,875 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 12:07:21,875 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 12:07:21,875 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 12:07:21,876 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 12:07:21,876 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 12:07:21,876 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 12:07:21,876 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 12:07:21,876 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 12:07:21,919 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states. [2020-10-28 12:07:21,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-10-28 12:07:21,929 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:07:21,930 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] [2020-10-28 12:07:21,931 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:07:21,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:07:21,940 INFO L82 PathProgramCache]: Analyzing trace with hash 72405502, now seen corresponding path program 1 times [2020-10-28 12:07:21,950 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:07:21,951 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2136236770] [2020-10-28 12:07:21,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:07:22,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:07:22,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:07:22,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:07:22,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-28 12:07:22,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:07:22,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 630 [2020-10-28 12:07:22,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:07:22,875 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:07:22,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 12:07:22,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 12:07:22,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-28 12:07:22,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 12:07:23,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:07:23,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:07:23,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:07:23,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:07:23,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:07:23,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:07:23,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-28 12:07:23,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:07:23,131 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:07:23,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:07:23,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:07:23,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 12:07:23,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:07:23,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 12:07:23,160 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2136236770] [2020-10-28 12:07:23,163 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 12:07:23,163 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-28 12:07:23,165 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105355207] [2020-10-28 12:07:23,170 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 12:07:23,170 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:07:23,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 12:07:23,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-28 12:07:23,195 INFO L87 Difference]: Start difference. First operand 296 states. Second operand 4 states. [2020-10-28 12:07:26,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:07:26,451 INFO L93 Difference]: Finished difference Result 810 states and 1408 transitions. [2020-10-28 12:07:26,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 12:07:26,454 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-10-28 12:07:26,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:07:26,471 INFO L225 Difference]: With dead ends: 810 [2020-10-28 12:07:26,471 INFO L226 Difference]: Without dead ends: 434 [2020-10-28 12:07:26,483 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-28 12:07:26,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2020-10-28 12:07:26,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 425. [2020-10-28 12:07:26,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 425 states. [2020-10-28 12:07:26,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 612 transitions. [2020-10-28 12:07:26,575 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 612 transitions. Word has length 47 [2020-10-28 12:07:26,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:07:26,575 INFO L481 AbstractCegarLoop]: Abstraction has 425 states and 612 transitions. [2020-10-28 12:07:26,576 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 12:07:26,576 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 612 transitions. [2020-10-28 12:07:26,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-10-28 12:07:26,582 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:07:26,582 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:07:26,582 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 12:07:26,583 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:07:26,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:07:26,584 INFO L82 PathProgramCache]: Analyzing trace with hash 1790094947, now seen corresponding path program 1 times [2020-10-28 12:07:26,584 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:07:26,584 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1277484064] [2020-10-28 12:07:26,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:07:26,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:07:26,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:07:26,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:07:28,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:07:28,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:07:28,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-28 12:07:28,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 12:07:28,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2096 [2020-10-28 12:07:28,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:07:28,756 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:07:28,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 12:07:28,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 12:07:28,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-28 12:07:28,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:07:28,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:07:28,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:07:28,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:07:28,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:07:28,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:07:28,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:07:28,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-28 12:07:28,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:07:28,915 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:07:28,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:07:28,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:07:28,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 12:07:28,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:07:28,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:07:28,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:07:28,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:07:29,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:07:29,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-28 12:07:29,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:07:29,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 161 [2020-10-28 12:07:29,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:07:29,129 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:07:29,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:07:29,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:07:29,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-28 12:07:29,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:07:29,258 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 12:07:29,259 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1277484064] [2020-10-28 12:07:29,259 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 12:07:29,259 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 12:07:29,260 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455467453] [2020-10-28 12:07:29,262 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 12:07:29,262 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:07:29,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 12:07:29,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 12:07:29,266 INFO L87 Difference]: Start difference. First operand 425 states and 612 transitions. Second operand 7 states. [2020-10-28 12:07:32,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:07:32,691 INFO L93 Difference]: Finished difference Result 1269 states and 1867 transitions. [2020-10-28 12:07:32,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 12:07:32,695 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 119 [2020-10-28 12:07:32,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:07:32,705 INFO L225 Difference]: With dead ends: 1269 [2020-10-28 12:07:32,706 INFO L226 Difference]: Without dead ends: 850 [2020-10-28 12:07:32,709 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-28 12:07:32,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 850 states. [2020-10-28 12:07:32,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 850 to 818. [2020-10-28 12:07:32,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 818 states. [2020-10-28 12:07:32,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 818 states and 1127 transitions. [2020-10-28 12:07:32,825 INFO L78 Accepts]: Start accepts. Automaton has 818 states and 1127 transitions. Word has length 119 [2020-10-28 12:07:32,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:07:32,827 INFO L481 AbstractCegarLoop]: Abstraction has 818 states and 1127 transitions. [2020-10-28 12:07:32,828 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 12:07:32,828 INFO L276 IsEmpty]: Start isEmpty. Operand 818 states and 1127 transitions. [2020-10-28 12:07:32,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-28 12:07:32,833 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:07:32,833 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:07:32,834 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 12:07:32,834 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:07:32,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:07:32,835 INFO L82 PathProgramCache]: Analyzing trace with hash 1469704231, now seen corresponding path program 1 times [2020-10-28 12:07:32,835 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:07:32,835 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [403249043] [2020-10-28 12:07:32,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:07:32,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:07:32,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:07:33,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:07:33,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:07:34,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:07:34,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-28 12:07:34,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 12:07:34,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1889 [2020-10-28 12:07:34,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:07:34,787 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:07:34,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 12:07:34,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 12:07:34,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-28 12:07:34,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:07:34,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:07:34,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:07:34,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:07:34,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:07:34,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:07:34,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:07:34,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 12:07:34,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:07:34,953 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:07:34,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:07:34,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:07:34,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 12:07:34,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:07:34,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:07:35,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:07:35,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:07:35,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:07:35,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-28 12:07:35,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:07:35,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 173 [2020-10-28 12:07:35,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:07:35,177 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:07:35,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:07:35,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:07:35,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-28 12:07:35,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:07:35,327 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 12:07:35,329 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [403249043] [2020-10-28 12:07:35,329 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 12:07:35,330 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 12:07:35,330 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367374813] [2020-10-28 12:07:35,332 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 12:07:35,333 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:07:35,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 12:07:35,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 12:07:35,334 INFO L87 Difference]: Start difference. First operand 818 states and 1127 transitions. Second operand 7 states. [2020-10-28 12:07:39,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:07:39,003 INFO L93 Difference]: Finished difference Result 1848 states and 2613 transitions. [2020-10-28 12:07:39,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-28 12:07:39,005 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 121 [2020-10-28 12:07:39,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:07:39,012 INFO L225 Difference]: With dead ends: 1848 [2020-10-28 12:07:39,012 INFO L226 Difference]: Without dead ends: 1036 [2020-10-28 12:07:39,016 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-10-28 12:07:39,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1036 states. [2020-10-28 12:07:39,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1036 to 1012. [2020-10-28 12:07:39,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1012 states. [2020-10-28 12:07:39,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1012 states to 1012 states and 1273 transitions. [2020-10-28 12:07:39,070 INFO L78 Accepts]: Start accepts. Automaton has 1012 states and 1273 transitions. Word has length 121 [2020-10-28 12:07:39,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:07:39,073 INFO L481 AbstractCegarLoop]: Abstraction has 1012 states and 1273 transitions. [2020-10-28 12:07:39,073 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 12:07:39,074 INFO L276 IsEmpty]: Start isEmpty. Operand 1012 states and 1273 transitions. [2020-10-28 12:07:39,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-10-28 12:07:39,084 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:07:39,090 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:07:39,091 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 12:07:39,091 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:07:39,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:07:39,092 INFO L82 PathProgramCache]: Analyzing trace with hash 263965449, now seen corresponding path program 1 times [2020-10-28 12:07:39,092 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:07:39,093 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [696619442] [2020-10-28 12:07:39,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:07:39,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:07:39,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:07:39,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:07:40,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:07:40,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 175 [2020-10-28 12:07:40,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 12:07:40,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1127 [2020-10-28 12:07:40,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:07:40,275 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:07:40,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:07:40,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-28 12:07:40,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-28 12:07:40,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:07:40,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:07:40,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:07:40,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:07:40,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:07:40,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:07:40,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:07:40,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 12:07:40,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:07:40,406 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:07:40,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:07:40,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:07:40,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:07:40,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:07:40,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:07:40,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:07:40,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:07:40,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:07:40,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-28 12:07:40,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:07:40,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 160 [2020-10-28 12:07:40,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:07:40,612 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:07:40,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:07:40,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:07:40,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-28 12:07:40,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:07:40,709 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 38 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 12:07:40,709 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [696619442] [2020-10-28 12:07:40,710 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:07:40,710 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 12:07:40,710 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385196753] [2020-10-28 12:07:40,711 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 12:07:40,711 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:07:40,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 12:07:40,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 12:07:40,712 INFO L87 Difference]: Start difference. First operand 1012 states and 1273 transitions. Second operand 5 states. [2020-10-28 12:07:43,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:07:43,464 INFO L93 Difference]: Finished difference Result 2230 states and 2994 transitions. [2020-10-28 12:07:43,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 12:07:43,466 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 163 [2020-10-28 12:07:43,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:07:43,481 INFO L225 Difference]: With dead ends: 2230 [2020-10-28 12:07:43,481 INFO L226 Difference]: Without dead ends: 1602 [2020-10-28 12:07:43,484 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 12:07:43,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1602 states. [2020-10-28 12:07:43,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1602 to 1412. [2020-10-28 12:07:43,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1412 states. [2020-10-28 12:07:43,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1412 states to 1412 states and 1856 transitions. [2020-10-28 12:07:43,551 INFO L78 Accepts]: Start accepts. Automaton has 1412 states and 1856 transitions. Word has length 163 [2020-10-28 12:07:43,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:07:43,552 INFO L481 AbstractCegarLoop]: Abstraction has 1412 states and 1856 transitions. [2020-10-28 12:07:43,552 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 12:07:43,552 INFO L276 IsEmpty]: Start isEmpty. Operand 1412 states and 1856 transitions. [2020-10-28 12:07:43,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-10-28 12:07:43,559 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:07:43,559 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:07:43,559 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 12:07:43,560 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:07:43,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:07:43,560 INFO L82 PathProgramCache]: Analyzing trace with hash 1505989597, now seen corresponding path program 1 times [2020-10-28 12:07:43,561 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:07:43,561 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1089758491] [2020-10-28 12:07:43,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:07:43,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:07:43,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:07:43,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:07:44,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:07:44,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 185 [2020-10-28 12:07:44,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 12:07:44,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1005 [2020-10-28 12:07:44,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:07:44,625 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:07:44,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:07:44,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-10-28 12:07:44,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-28 12:07:44,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:07:44,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:07:44,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:07:44,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:07:44,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:07:44,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:07:44,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:07:44,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 12:07:44,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:07:44,767 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:07:44,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:07:44,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:07:44,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:07:44,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:07:44,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:07:44,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:07:44,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:07:44,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:07:44,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-28 12:07:44,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:07:44,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 147 [2020-10-28 12:07:44,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:07:44,967 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:07:44,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:07:44,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:07:44,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-10-28 12:07:44,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:07:45,121 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 38 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 12:07:45,122 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1089758491] [2020-10-28 12:07:45,122 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:07:45,122 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 12:07:45,123 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628085865] [2020-10-28 12:07:45,123 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 12:07:45,124 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:07:45,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 12:07:45,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 12:07:45,125 INFO L87 Difference]: Start difference. First operand 1412 states and 1856 transitions. Second operand 5 states. [2020-10-28 12:07:47,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:07:47,987 INFO L93 Difference]: Finished difference Result 3214 states and 4560 transitions. [2020-10-28 12:07:47,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 12:07:47,988 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 173 [2020-10-28 12:07:47,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:07:48,002 INFO L225 Difference]: With dead ends: 3214 [2020-10-28 12:07:48,002 INFO L226 Difference]: Without dead ends: 2186 [2020-10-28 12:07:48,006 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 12:07:48,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2186 states. [2020-10-28 12:07:48,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2186 to 2186. [2020-10-28 12:07:48,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2186 states. [2020-10-28 12:07:48,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2186 states to 2186 states and 2857 transitions. [2020-10-28 12:07:48,084 INFO L78 Accepts]: Start accepts. Automaton has 2186 states and 2857 transitions. Word has length 173 [2020-10-28 12:07:48,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:07:48,085 INFO L481 AbstractCegarLoop]: Abstraction has 2186 states and 2857 transitions. [2020-10-28 12:07:48,085 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 12:07:48,085 INFO L276 IsEmpty]: Start isEmpty. Operand 2186 states and 2857 transitions. [2020-10-28 12:07:48,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-10-28 12:07:48,088 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:07:48,089 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:07:48,089 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 12:07:48,089 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:07:48,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:07:48,090 INFO L82 PathProgramCache]: Analyzing trace with hash -26800662, now seen corresponding path program 1 times [2020-10-28 12:07:48,090 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:07:48,090 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [834220392] [2020-10-28 12:07:48,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:07:48,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:07:48,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:07:48,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:07:48,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 190 [2020-10-28 12:07:48,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:07:48,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 321 [2020-10-28 12:07:48,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:07:48,465 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:07:48,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:07:48,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-28 12:07:48,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-28 12:07:48,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:07:48,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:07:48,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:07:48,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:07:48,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:07:48,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:07:48,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:07:48,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 12:07:48,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:07:48,599 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:07:48,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:07:48,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:07:48,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:07:48,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:07:48,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:07:48,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:07:48,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:07:48,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:07:48,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-28 12:07:48,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:07:48,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 134 [2020-10-28 12:07:48,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:07:48,782 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:07:48,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:07:48,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:07:48,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-28 12:07:48,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:07:48,902 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 38 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 12:07:48,903 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [834220392] [2020-10-28 12:07:48,903 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:07:48,903 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 12:07:48,903 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369766559] [2020-10-28 12:07:48,904 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 12:07:48,904 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:07:48,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 12:07:48,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 12:07:48,905 INFO L87 Difference]: Start difference. First operand 2186 states and 2857 transitions. Second operand 5 states. [2020-10-28 12:07:51,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:07:51,730 INFO L93 Difference]: Finished difference Result 4785 states and 6606 transitions. [2020-10-28 12:07:51,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 12:07:51,733 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 178 [2020-10-28 12:07:51,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:07:51,751 INFO L225 Difference]: With dead ends: 4785 [2020-10-28 12:07:51,751 INFO L226 Difference]: Without dead ends: 2983 [2020-10-28 12:07:51,757 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 12:07:51,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2983 states. [2020-10-28 12:07:51,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2983 to 2978. [2020-10-28 12:07:51,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2978 states. [2020-10-28 12:07:51,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2978 states to 2978 states and 3986 transitions. [2020-10-28 12:07:51,853 INFO L78 Accepts]: Start accepts. Automaton has 2978 states and 3986 transitions. Word has length 178 [2020-10-28 12:07:51,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:07:51,854 INFO L481 AbstractCegarLoop]: Abstraction has 2978 states and 3986 transitions. [2020-10-28 12:07:51,854 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 12:07:51,854 INFO L276 IsEmpty]: Start isEmpty. Operand 2978 states and 3986 transitions. [2020-10-28 12:07:51,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2020-10-28 12:07:51,860 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:07:51,860 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:07:51,860 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 12:07:51,861 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:07:51,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:07:51,861 INFO L82 PathProgramCache]: Analyzing trace with hash -157976718, now seen corresponding path program 1 times [2020-10-28 12:07:51,862 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:07:51,862 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [836918836] [2020-10-28 12:07:51,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:07:51,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:07:51,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:07:52,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:07:52,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:07:54,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:07:54,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 251 [2020-10-28 12:07:54,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 12:07:54,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2097 [2020-10-28 12:07:54,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:07:54,023 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:07:54,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:07:54,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-28 12:07:54,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-28 12:07:54,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:07:54,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:07:54,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:07:54,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:07:54,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:07:54,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:07:54,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:07:54,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 12:07:54,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:07:54,193 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:07:54,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:07:54,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:07:54,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:07:54,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:07:54,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:07:54,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:07:54,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:07:54,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:07:54,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-28 12:07:54,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:07:54,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 137 [2020-10-28 12:07:54,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:07:54,388 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:07:54,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:07:54,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:07:54,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-28 12:07:54,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:07:54,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-28 12:07:54,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:07:54,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:07:54,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:07:54,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-28 12:07:54,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:07:54,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 128 [2020-10-28 12:07:54,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:07:54,588 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:07:54,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:07:54,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:07:54,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-28 12:07:54,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:07:54,859 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 149 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-28 12:07:54,859 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [836918836] [2020-10-28 12:07:54,859 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:07:54,860 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 12:07:54,860 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741803972] [2020-10-28 12:07:54,860 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 12:07:54,861 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:07:54,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 12:07:54,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 12:07:54,862 INFO L87 Difference]: Start difference. First operand 2978 states and 3986 transitions. Second operand 7 states. [2020-10-28 12:07:58,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:07:58,731 INFO L93 Difference]: Finished difference Result 6389 states and 8734 transitions. [2020-10-28 12:07:58,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 12:07:58,732 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 237 [2020-10-28 12:07:58,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:07:58,756 INFO L225 Difference]: With dead ends: 6389 [2020-10-28 12:07:58,757 INFO L226 Difference]: Without dead ends: 3795 [2020-10-28 12:07:58,766 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-28 12:07:58,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3795 states. [2020-10-28 12:07:58,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3795 to 3402. [2020-10-28 12:07:58,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3402 states. [2020-10-28 12:07:58,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3402 states to 3402 states and 4561 transitions. [2020-10-28 12:07:58,882 INFO L78 Accepts]: Start accepts. Automaton has 3402 states and 4561 transitions. Word has length 237 [2020-10-28 12:07:58,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:07:58,883 INFO L481 AbstractCegarLoop]: Abstraction has 3402 states and 4561 transitions. [2020-10-28 12:07:58,883 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 12:07:58,883 INFO L276 IsEmpty]: Start isEmpty. Operand 3402 states and 4561 transitions. [2020-10-28 12:07:58,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2020-10-28 12:07:58,889 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:07:58,889 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:07:58,890 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-28 12:07:58,890 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:07:58,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:07:58,891 INFO L82 PathProgramCache]: Analyzing trace with hash -764799354, now seen corresponding path program 1 times [2020-10-28 12:07:58,891 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:07:58,892 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [300469041] [2020-10-28 12:07:58,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:07:58,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:07:59,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:07:59,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:07:59,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:07:59,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 261 [2020-10-28 12:07:59,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 12:07:59,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 744 [2020-10-28 12:07:59,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:07:59,703 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:07:59,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:07:59,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 212 [2020-10-28 12:07:59,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-28 12:07:59,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:07:59,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:07:59,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:07:59,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:07:59,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:07:59,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:07:59,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:07:59,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 12:07:59,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:07:59,844 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:07:59,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:07:59,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:07:59,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:07:59,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:07:59,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:07:59,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:07:59,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:07:59,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:07:59,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-28 12:07:59,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:07:59,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-28 12:07:59,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:07:59,951 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:07:59,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:07:59,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:07:59,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:07:59,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:07:59,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-28 12:08:00,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:08:00,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:08:00,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:08:00,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-28 12:08:00,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:08:00,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-10-28 12:08:00,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:08:00,086 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:08:00,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:08:00,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:08:00,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-28 12:08:00,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:08:00,166 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 79 proven. 2 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2020-10-28 12:08:00,166 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [300469041] [2020-10-28 12:08:00,166 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:08:00,167 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 12:08:00,167 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362289116] [2020-10-28 12:08:00,167 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 12:08:00,168 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:08:00,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 12:08:00,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 12:08:00,169 INFO L87 Difference]: Start difference. First operand 3402 states and 4561 transitions. Second operand 5 states. [2020-10-28 12:08:03,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:08:03,438 INFO L93 Difference]: Finished difference Result 8160 states and 11222 transitions. [2020-10-28 12:08:03,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 12:08:03,439 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 247 [2020-10-28 12:08:03,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:08:03,466 INFO L225 Difference]: With dead ends: 8160 [2020-10-28 12:08:03,466 INFO L226 Difference]: Without dead ends: 4764 [2020-10-28 12:08:03,479 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 12:08:03,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4764 states. [2020-10-28 12:08:03,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4764 to 4368. [2020-10-28 12:08:03,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4368 states. [2020-10-28 12:08:03,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4368 states to 4368 states and 5829 transitions. [2020-10-28 12:08:03,620 INFO L78 Accepts]: Start accepts. Automaton has 4368 states and 5829 transitions. Word has length 247 [2020-10-28 12:08:03,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:08:03,621 INFO L481 AbstractCegarLoop]: Abstraction has 4368 states and 5829 transitions. [2020-10-28 12:08:03,621 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 12:08:03,621 INFO L276 IsEmpty]: Start isEmpty. Operand 4368 states and 5829 transitions. [2020-10-28 12:08:03,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2020-10-28 12:08:03,628 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:08:03,628 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:08:03,629 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-28 12:08:03,629 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:08:03,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:08:03,630 INFO L82 PathProgramCache]: Analyzing trace with hash 592249170, now seen corresponding path program 1 times [2020-10-28 12:08:03,630 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:08:03,630 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1019304436] [2020-10-28 12:08:03,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:08:03,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:08:03,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:08:03,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:08:04,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:08:05,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:08:05,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 267 [2020-10-28 12:08:05,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 12:08:05,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2153 [2020-10-28 12:08:05,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:08:05,852 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:08:05,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:08:05,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-10-28 12:08:05,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-28 12:08:05,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:08:05,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:08:05,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:08:05,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:08:05,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:08:05,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:08:05,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:08:05,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 12:08:05,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:08:05,992 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:08:05,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:08:05,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:08:05,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:08:05,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:08:06,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:08:06,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:08:06,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:08:06,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:08:06,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-28 12:08:06,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:08:06,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 119 [2020-10-28 12:08:06,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:08:06,162 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:08:06,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:08:06,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:08:06,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-10-28 12:08:06,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:08:06,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-28 12:08:06,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:08:06,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:08:06,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:08:06,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-28 12:08:06,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:08:06,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 125 [2020-10-28 12:08:06,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:08:06,355 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:08:06,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:08:06,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:08:06,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-28 12:08:06,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:08:06,481 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 155 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-28 12:08:06,482 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1019304436] [2020-10-28 12:08:06,482 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:08:06,482 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 12:08:06,484 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427651541] [2020-10-28 12:08:06,485 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 12:08:06,489 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:08:06,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 12:08:06,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 12:08:06,492 INFO L87 Difference]: Start difference. First operand 4368 states and 5829 transitions. Second operand 7 states. [2020-10-28 12:08:10,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:08:10,534 INFO L93 Difference]: Finished difference Result 10393 states and 14912 transitions. [2020-10-28 12:08:10,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 12:08:10,535 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 253 [2020-10-28 12:08:10,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:08:10,572 INFO L225 Difference]: With dead ends: 10393 [2020-10-28 12:08:10,573 INFO L226 Difference]: Without dead ends: 6031 [2020-10-28 12:08:10,586 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-28 12:08:10,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6031 states. [2020-10-28 12:08:10,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6031 to 5947. [2020-10-28 12:08:10,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5947 states. [2020-10-28 12:08:10,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5947 states to 5947 states and 7878 transitions. [2020-10-28 12:08:10,804 INFO L78 Accepts]: Start accepts. Automaton has 5947 states and 7878 transitions. Word has length 253 [2020-10-28 12:08:10,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:08:10,804 INFO L481 AbstractCegarLoop]: Abstraction has 5947 states and 7878 transitions. [2020-10-28 12:08:10,804 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 12:08:10,805 INFO L276 IsEmpty]: Start isEmpty. Operand 5947 states and 7878 transitions. [2020-10-28 12:08:10,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2020-10-28 12:08:10,812 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:08:10,813 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:08:10,813 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-28 12:08:10,813 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:08:10,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:08:10,815 INFO L82 PathProgramCache]: Analyzing trace with hash -1791464198, now seen corresponding path program 1 times [2020-10-28 12:08:10,815 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:08:10,815 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2084215732] [2020-10-28 12:08:10,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:08:10,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:08:10,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:08:11,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:08:11,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:08:11,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 288 [2020-10-28 12:08:11,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 12:08:11,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1064 [2020-10-28 12:08:11,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:08:11,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:08:11,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:08:11,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 239 [2020-10-28 12:08:11,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-28 12:08:11,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:08:12,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:08:12,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:08:12,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:08:12,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:08:12,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:08:12,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:08:12,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 12:08:12,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:08:12,123 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:08:12,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:08:12,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:08:12,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:08:12,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:08:12,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:08:12,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:08:12,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:08:12,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:08:12,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-28 12:08:12,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:08:12,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-28 12:08:12,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:08:12,204 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:08:12,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:08:12,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:08:12,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:08:12,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:08:12,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-28 12:08:12,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:08:12,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:08:12,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:08:12,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-28 12:08:12,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:08:12,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 106 [2020-10-28 12:08:12,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:08:12,378 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:08:12,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:08:12,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:08:12,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-28 12:08:12,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:08:12,593 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 79 proven. 2 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2020-10-28 12:08:12,594 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2084215732] [2020-10-28 12:08:12,594 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:08:12,595 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 12:08:12,595 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250255038] [2020-10-28 12:08:12,596 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 12:08:12,597 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:08:12,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 12:08:12,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 12:08:12,598 INFO L87 Difference]: Start difference. First operand 5947 states and 7878 transitions. Second operand 5 states. [2020-10-28 12:08:16,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:08:16,118 INFO L93 Difference]: Finished difference Result 13037 states and 17674 transitions. [2020-10-28 12:08:16,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 12:08:16,121 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 274 [2020-10-28 12:08:16,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:08:16,166 INFO L225 Difference]: With dead ends: 13037 [2020-10-28 12:08:16,166 INFO L226 Difference]: Without dead ends: 7096 [2020-10-28 12:08:16,184 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 12:08:16,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7096 states. [2020-10-28 12:08:16,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7096 to 7083. [2020-10-28 12:08:16,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7083 states. [2020-10-28 12:08:16,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7083 states to 7083 states and 9363 transitions. [2020-10-28 12:08:16,428 INFO L78 Accepts]: Start accepts. Automaton has 7083 states and 9363 transitions. Word has length 274 [2020-10-28 12:08:16,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:08:16,428 INFO L481 AbstractCegarLoop]: Abstraction has 7083 states and 9363 transitions. [2020-10-28 12:08:16,429 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 12:08:16,429 INFO L276 IsEmpty]: Start isEmpty. Operand 7083 states and 9363 transitions. [2020-10-28 12:08:16,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2020-10-28 12:08:16,446 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:08:16,446 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:08:16,447 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-28 12:08:16,447 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:08:16,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:08:16,447 INFO L82 PathProgramCache]: Analyzing trace with hash -701884038, now seen corresponding path program 1 times [2020-10-28 12:08:16,448 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:08:16,448 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [631544416] [2020-10-28 12:08:16,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:08:16,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:08:16,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:08:16,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:08:19,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:08:19,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:08:19,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 353 [2020-10-28 12:08:19,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 12:08:19,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3426 [2020-10-28 12:08:19,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:08:19,972 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:08:19,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:08:19,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-10-28 12:08:19,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 169 [2020-10-28 12:08:19,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:08:20,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:08:20,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:08:20,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:08:20,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:08:20,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:08:20,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:08:20,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 12:08:20,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:08:20,128 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:08:20,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:08:20,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:08:20,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:08:20,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:08:20,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:08:20,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:08:20,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:08:20,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:08:20,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-28 12:08:20,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:08:20,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-10-28 12:08:20,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:08:20,291 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:08:20,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:08:20,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:08:20,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-10-28 12:08:20,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:08:20,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-28 12:08:20,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:08:20,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:08:20,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:08:20,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 167 [2020-10-28 12:08:20,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:08:20,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 296 [2020-10-28 12:08:20,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:08:20,667 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:08:20,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:08:20,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:08:20,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 167 [2020-10-28 12:08:20,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:08:20,992 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 201 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-28 12:08:20,992 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [631544416] [2020-10-28 12:08:20,993 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:08:20,993 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 12:08:20,993 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082266497] [2020-10-28 12:08:20,994 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 12:08:20,995 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:08:20,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 12:08:20,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 12:08:20,996 INFO L87 Difference]: Start difference. First operand 7083 states and 9363 transitions. Second operand 7 states. [2020-10-28 12:08:24,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:08:24,715 INFO L93 Difference]: Finished difference Result 14595 states and 19215 transitions. [2020-10-28 12:08:24,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 12:08:24,717 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 339 [2020-10-28 12:08:24,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:08:24,749 INFO L225 Difference]: With dead ends: 14595 [2020-10-28 12:08:24,749 INFO L226 Difference]: Without dead ends: 7518 [2020-10-28 12:08:24,770 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-28 12:08:24,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7518 states. [2020-10-28 12:08:24,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7518 to 7507. [2020-10-28 12:08:24,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7507 states. [2020-10-28 12:08:24,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7507 states to 7507 states and 9374 transitions. [2020-10-28 12:08:24,954 INFO L78 Accepts]: Start accepts. Automaton has 7507 states and 9374 transitions. Word has length 339 [2020-10-28 12:08:24,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:08:24,955 INFO L481 AbstractCegarLoop]: Abstraction has 7507 states and 9374 transitions. [2020-10-28 12:08:24,955 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 12:08:24,955 INFO L276 IsEmpty]: Start isEmpty. Operand 7507 states and 9374 transitions. [2020-10-28 12:08:24,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2020-10-28 12:08:24,973 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:08:24,974 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-28 12:08:24,974 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-28 12:08:24,974 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:08:24,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:08:24,975 INFO L82 PathProgramCache]: Analyzing trace with hash 781526620, now seen corresponding path program 1 times [2020-10-28 12:08:24,975 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:08:24,976 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1497713269] [2020-10-28 12:08:24,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:08:25,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:08:25,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:08:25,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:08:26,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:08:26,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 374 [2020-10-28 12:08:26,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 12:08:26,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1549 [2020-10-28 12:08:26,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:08:26,640 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:08:26,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:08:26,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 325 [2020-10-28 12:08:26,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-28 12:08:26,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:08:26,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:08:26,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:08:26,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:08:26,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:08:26,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:08:26,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:08:26,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 12:08:26,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:08:26,812 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:08:26,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:08:26,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:08:26,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:08:26,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:08:26,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:08:26,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:08:26,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:08:26,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:08:26,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-28 12:08:26,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:08:26,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-28 12:08:26,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:08:26,891 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:08:26,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:08:26,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:08:26,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:08:26,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:08:26,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-28 12:08:26,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:08:27,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:08:27,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:08:27,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 167 [2020-10-28 12:08:27,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:08:27,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 181 [2020-10-28 12:08:27,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:08:27,162 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:08:27,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:08:27,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:08:27,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 161 [2020-10-28 12:08:27,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:08:27,416 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 79 proven. 2 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2020-10-28 12:08:27,417 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1497713269] [2020-10-28 12:08:27,417 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:08:27,417 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 12:08:27,417 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422954846] [2020-10-28 12:08:27,418 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 12:08:27,418 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:08:27,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 12:08:27,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 12:08:27,419 INFO L87 Difference]: Start difference. First operand 7507 states and 9374 transitions. Second operand 5 states. [2020-10-28 12:08:30,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:08:30,122 INFO L93 Difference]: Finished difference Result 16334 states and 20721 transitions. [2020-10-28 12:08:30,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 12:08:30,124 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 360 [2020-10-28 12:08:30,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:08:30,156 INFO L225 Difference]: With dead ends: 16334 [2020-10-28 12:08:30,157 INFO L226 Difference]: Without dead ends: 9021 [2020-10-28 12:08:30,176 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 12:08:30,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9021 states. [2020-10-28 12:08:30,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9021 to 8833. [2020-10-28 12:08:30,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8833 states. [2020-10-28 12:08:30,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8833 states to 8833 states and 10981 transitions. [2020-10-28 12:08:30,379 INFO L78 Accepts]: Start accepts. Automaton has 8833 states and 10981 transitions. Word has length 360 [2020-10-28 12:08:30,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:08:30,380 INFO L481 AbstractCegarLoop]: Abstraction has 8833 states and 10981 transitions. [2020-10-28 12:08:30,380 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 12:08:30,380 INFO L276 IsEmpty]: Start isEmpty. Operand 8833 states and 10981 transitions. [2020-10-28 12:08:30,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2020-10-28 12:08:30,399 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:08:30,400 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:08:30,400 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-28 12:08:30,400 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:08:30,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:08:30,404 INFO L82 PathProgramCache]: Analyzing trace with hash -1072797265, now seen corresponding path program 1 times [2020-10-28 12:08:30,404 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:08:30,405 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1028689456] [2020-10-28 12:08:30,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:08:30,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:08:30,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:08:30,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:08:30,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:08:31,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:08:35,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:08:35,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 385 [2020-10-28 12:08:35,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 12:08:35,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023 [2020-10-28 12:08:35,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:08:35,520 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:08:35,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:08:35,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 211 [2020-10-28 12:08:35,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 126 [2020-10-28 12:08:35,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:08:35,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:08:35,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:08:35,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:08:35,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:08:35,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:08:35,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:08:35,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 12:08:35,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:08:35,691 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:08:35,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:08:35,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:08:35,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:08:35,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:08:35,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:08:35,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:08:35,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:08:35,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:08:35,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-28 12:08:35,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:08:35,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-28 12:08:35,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:08:35,762 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:08:35,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:08:35,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:08:35,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:08:35,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:08:35,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-28 12:08:35,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:08:35,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:08:35,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:08:35,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-28 12:08:35,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:08:35,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-28 12:08:35,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:08:35,893 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:08:35,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:08:35,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:08:35,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-28 12:08:35,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:08:35,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2020-10-28 12:08:35,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:08:35,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:08:36,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:08:36,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-10-28 12:08:36,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:08:36,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 164 [2020-10-28 12:08:36,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:08:36,129 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:08:36,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:08:36,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:08:36,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-28 12:08:36,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:08:36,351 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 312 proven. 2 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2020-10-28 12:08:36,352 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1028689456] [2020-10-28 12:08:36,352 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:08:36,352 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 12:08:36,352 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693382761] [2020-10-28 12:08:36,353 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 12:08:36,354 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:08:36,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 12:08:36,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 12:08:36,355 INFO L87 Difference]: Start difference. First operand 8833 states and 10981 transitions. Second operand 7 states. [2020-10-28 12:08:39,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:08:39,888 INFO L93 Difference]: Finished difference Result 19823 states and 25295 transitions. [2020-10-28 12:08:39,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 12:08:39,895 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 369 [2020-10-28 12:08:39,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:08:39,940 INFO L225 Difference]: With dead ends: 19823 [2020-10-28 12:08:39,940 INFO L226 Difference]: Without dead ends: 11184 [2020-10-28 12:08:39,963 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-28 12:08:39,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11184 states. [2020-10-28 12:08:40,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11184 to 10942. [2020-10-28 12:08:40,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10942 states. [2020-10-28 12:08:40,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10942 states to 10942 states and 13628 transitions. [2020-10-28 12:08:40,224 INFO L78 Accepts]: Start accepts. Automaton has 10942 states and 13628 transitions. Word has length 369 [2020-10-28 12:08:40,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:08:40,225 INFO L481 AbstractCegarLoop]: Abstraction has 10942 states and 13628 transitions. [2020-10-28 12:08:40,225 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 12:08:40,225 INFO L276 IsEmpty]: Start isEmpty. Operand 10942 states and 13628 transitions. [2020-10-28 12:08:40,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 391 [2020-10-28 12:08:40,251 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:08:40,252 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:08:40,252 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-28 12:08:40,252 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:08:40,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:08:40,253 INFO L82 PathProgramCache]: Analyzing trace with hash -1802047581, now seen corresponding path program 1 times [2020-10-28 12:08:40,253 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:08:40,259 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1895263190] [2020-10-28 12:08:40,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:08:40,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:08:40,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:08:40,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:08:40,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:08:44,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:08:45,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:08:45,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 406 [2020-10-28 12:08:45,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 12:08:45,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5049 [2020-10-28 12:08:45,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:08:45,407 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:08:45,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:08:45,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 232 [2020-10-28 12:08:45,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 126 [2020-10-28 12:08:45,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:08:45,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:08:45,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:08:45,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:08:45,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:08:45,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:08:45,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:08:45,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 12:08:45,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:08:45,584 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:08:45,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:08:45,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:08:45,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:08:45,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:08:45,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:08:45,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:08:45,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:08:45,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:08:45,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-28 12:08:45,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:08:45,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-28 12:08:45,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:08:45,675 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:08:45,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:08:45,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:08:45,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:08:45,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:08:45,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-28 12:08:45,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:08:45,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:08:45,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:08:45,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-28 12:08:45,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:08:45,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-10-28 12:08:45,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:08:45,848 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:08:45,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:08:45,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:08:45,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-28 12:08:45,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:08:45,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2020-10-28 12:08:45,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:08:45,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:08:46,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:08:46,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-10-28 12:08:46,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:08:46,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 216 [2020-10-28 12:08:46,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:08:46,127 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:08:46,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:08:46,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:08:46,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-28 12:08:46,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:08:46,517 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 333 proven. 2 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2020-10-28 12:08:46,518 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1895263190] [2020-10-28 12:08:46,518 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:08:46,518 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 12:08:46,518 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129474129] [2020-10-28 12:08:46,519 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 12:08:46,519 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:08:46,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 12:08:46,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 12:08:46,521 INFO L87 Difference]: Start difference. First operand 10942 states and 13628 transitions. Second operand 7 states. [2020-10-28 12:08:50,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:08:50,039 INFO L93 Difference]: Finished difference Result 20764 states and 26324 transitions. [2020-10-28 12:08:50,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 12:08:50,039 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 390 [2020-10-28 12:08:50,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:08:50,048 INFO L225 Difference]: With dead ends: 20764 [2020-10-28 12:08:50,048 INFO L226 Difference]: Without dead ends: 0 [2020-10-28 12:08:50,076 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-28 12:08:50,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-28 12:08:50,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-28 12:08:50,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-28 12:08:50,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-28 12:08:50,077 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 390 [2020-10-28 12:08:50,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:08:50,078 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-28 12:08:50,078 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 12:08:50,078 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-28 12:08:50,078 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-28 12:08:50,078 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-28 12:08:50,081 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-28 12:08:51,764 WARN L193 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 148 [2020-10-28 12:08:52,355 WARN L193 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 148 [2020-10-28 12:08:52,704 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 26 [2020-10-28 12:08:54,163 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 236 DAG size of output: 51 [2020-10-28 12:08:54,906 WARN L193 SmtUtils]: Spent 739.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 44 [2020-10-28 12:08:55,739 WARN L193 SmtUtils]: Spent 750.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 44 [2020-10-28 12:08:56,245 WARN L193 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 38 [2020-10-28 12:08:56,250 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-28 12:08:56,250 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-28 12:08:56,250 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-28 12:08:56,250 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-28 12:08:56,250 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-28 12:08:56,251 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~inputA~0 |old(~inputA~0)|) (= ~a25~0 |old(~a25~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~a23~0 |old(~a23~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a29~0 |old(~a29~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |old(#valid)| |#valid|) (= ~a3~0 |old(~a3~0)|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~inputB~0 |old(~inputB~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~a4~0 |old(~a4~0)|) (= |#t~string7.base| |old(#t~string7.base)|)) [2020-10-28 12:08:56,251 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-28 12:08:56,251 INFO L274 CegarLoopResult]: For program point L960(lines 960 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,251 INFO L274 CegarLoopResult]: For program point L696(lines 696 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,252 INFO L274 CegarLoopResult]: For program point L630(lines 630 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,252 INFO L274 CegarLoopResult]: For program point L895(lines 895 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,252 INFO L274 CegarLoopResult]: For program point L697(lines 697 707) no Hoare annotation was computed. [2020-10-28 12:08:56,253 INFO L274 CegarLoopResult]: For program point L697-2(lines 697 707) no Hoare annotation was computed. [2020-10-28 12:08:56,253 INFO L274 CegarLoopResult]: For program point L367(lines 367 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,253 INFO L274 CegarLoopResult]: For program point L301(lines 301 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,253 INFO L274 CegarLoopResult]: For program point L235(lines 235 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,253 INFO L274 CegarLoopResult]: For program point L169-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:08:56,253 INFO L274 CegarLoopResult]: For program point L103-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:08:56,253 INFO L274 CegarLoopResult]: For program point L37-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:08:56,253 INFO L274 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-10-28 12:08:56,253 INFO L274 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-10-28 12:08:56,254 INFO L274 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-10-28 12:08:56,254 INFO L274 CegarLoopResult]: For program point L568(lines 568 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,254 INFO L274 CegarLoopResult]: For program point L502(lines 502 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,254 INFO L274 CegarLoopResult]: For program point L172-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:08:56,254 INFO L274 CegarLoopResult]: For program point L106-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:08:56,254 INFO L274 CegarLoopResult]: For program point L40-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:08:56,254 INFO L274 CegarLoopResult]: For program point L965(lines 965 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,254 INFO L274 CegarLoopResult]: For program point L833(lines 833 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,254 INFO L274 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-10-28 12:08:56,254 INFO L274 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-10-28 12:08:56,254 INFO L274 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-10-28 12:08:56,255 INFO L274 CegarLoopResult]: For program point L900(lines 900 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,255 INFO L274 CegarLoopResult]: For program point L438(lines 438 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,255 INFO L274 CegarLoopResult]: For program point L372(lines 372 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,255 INFO L274 CegarLoopResult]: For program point L637(lines 637 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,255 INFO L274 CegarLoopResult]: For program point L307(lines 307 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,255 INFO L274 CegarLoopResult]: For program point L175-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:08:56,255 INFO L274 CegarLoopResult]: For program point L109-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:08:56,255 INFO L274 CegarLoopResult]: For program point L43-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:08:56,255 INFO L274 CegarLoopResult]: For program point L242(lines 242 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,255 INFO L274 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-10-28 12:08:56,255 INFO L274 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-10-28 12:08:56,256 INFO L274 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-10-28 12:08:56,256 INFO L274 CegarLoopResult]: For program point L771(lines 771 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,256 INFO L274 CegarLoopResult]: For program point L838(lines 838 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,256 INFO L274 CegarLoopResult]: For program point L574(lines 574 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,256 INFO L274 CegarLoopResult]: For program point L178-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:08:56,256 INFO L274 CegarLoopResult]: For program point L112-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:08:56,256 INFO L274 CegarLoopResult]: For program point L46-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:08:56,256 INFO L274 CegarLoopResult]: For program point L971(lines 971 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,256 INFO L274 CegarLoopResult]: For program point L905(lines 905 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,256 INFO L274 CegarLoopResult]: For program point L509(lines 509 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,256 INFO L274 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-10-28 12:08:56,256 INFO L274 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-10-28 12:08:56,257 INFO L274 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-10-28 12:08:56,257 INFO L274 CegarLoopResult]: For program point L972(lines 972 982) no Hoare annotation was computed. [2020-10-28 12:08:56,257 INFO L274 CegarLoopResult]: For program point L906(lines 906 916) no Hoare annotation was computed. [2020-10-28 12:08:56,257 INFO L274 CegarLoopResult]: For program point L972-2(lines 972 982) no Hoare annotation was computed. [2020-10-28 12:08:56,257 INFO L274 CegarLoopResult]: For program point L906-2(lines 906 916) no Hoare annotation was computed. [2020-10-28 12:08:56,257 INFO L274 CegarLoopResult]: For program point L708(lines 708 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,257 INFO L274 CegarLoopResult]: For program point L312(lines 312 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,257 INFO L274 CegarLoopResult]: For program point L577(lines 577 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,257 INFO L274 CegarLoopResult]: For program point L445(lines 445 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,257 INFO L274 CegarLoopResult]: For program point L379(lines 379 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,257 INFO L274 CegarLoopResult]: For program point L181-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:08:56,258 INFO L274 CegarLoopResult]: For program point L115-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:08:56,258 INFO L274 CegarLoopResult]: For program point L49-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:08:56,258 INFO L274 CegarLoopResult]: For program point L776(lines 776 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,258 INFO L274 CegarLoopResult]: For program point L644(lines 644 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,258 INFO L274 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-10-28 12:08:56,258 INFO L274 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-10-28 12:08:56,258 INFO L274 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-10-28 12:08:56,258 INFO L274 CegarLoopResult]: For program point L843(lines 843 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,258 INFO L274 CegarLoopResult]: For program point L249(lines 249 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,258 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:08:56,259 INFO L274 CegarLoopResult]: For program point L184-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:08:56,259 INFO L274 CegarLoopResult]: For program point L118-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:08:56,259 INFO L274 CegarLoopResult]: For program point L52-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:08:56,259 INFO L274 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-10-28 12:08:56,259 INFO L274 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-10-28 12:08:56,259 INFO L274 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-10-28 12:08:56,259 INFO L274 CegarLoopResult]: For program point L714(lines 714 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,259 INFO L274 CegarLoopResult]: For program point L516(lines 516 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,259 INFO L274 CegarLoopResult]: For program point L649(lines 649 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,259 INFO L274 CegarLoopResult]: For program point L583(lines 583 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,260 INFO L274 CegarLoopResult]: For program point L517(lines 517 527) no Hoare annotation was computed. [2020-10-28 12:08:56,260 INFO L274 CegarLoopResult]: For program point L517-2(lines 517 527) no Hoare annotation was computed. [2020-10-28 12:08:56,260 INFO L274 CegarLoopResult]: For program point L319(lines 319 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,260 INFO L274 CegarLoopResult]: For program point L187-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:08:56,260 INFO L274 CegarLoopResult]: For program point L121-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:08:56,260 INFO L274 CegarLoopResult]: For program point L55-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:08:56,260 INFO L274 CegarLoopResult]: For program point L848(lines 848 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,260 INFO L274 CegarLoopResult]: For program point L782(lines 782 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,260 INFO L274 CegarLoopResult]: For program point L650(lines 650 659) no Hoare annotation was computed. [2020-10-28 12:08:56,260 INFO L274 CegarLoopResult]: For program point L650-2(lines 650 659) no Hoare annotation was computed. [2020-10-28 12:08:56,261 INFO L274 CegarLoopResult]: For program point L452(lines 452 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,261 INFO L274 CegarLoopResult]: For program point L386(lines 386 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,261 INFO L274 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-10-28 12:08:56,261 INFO L274 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-10-28 12:08:56,261 INFO L274 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-10-28 12:08:56,261 INFO L274 CegarLoopResult]: For program point L256(lines 256 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,261 INFO L274 CegarLoopResult]: For program point L190-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:08:56,261 INFO L274 CegarLoopResult]: For program point L124-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:08:56,261 INFO L274 CegarLoopResult]: For program point L58-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:08:56,261 INFO L274 CegarLoopResult]: For program point L983(lines 983 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,261 INFO L274 CegarLoopResult]: For program point L917(lines 917 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,262 INFO L274 CegarLoopResult]: For program point L719(lines 719 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,262 INFO L274 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-10-28 12:08:56,262 INFO L274 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-10-28 12:08:56,262 INFO L274 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-10-28 12:08:56,262 INFO L274 CegarLoopResult]: For program point L918(lines 918 928) no Hoare annotation was computed. [2020-10-28 12:08:56,262 INFO L274 CegarLoopResult]: For program point L918-2(lines 918 928) no Hoare annotation was computed. [2020-10-28 12:08:56,262 INFO L274 CegarLoopResult]: For program point L720(lines 720 732) no Hoare annotation was computed. [2020-10-28 12:08:56,262 INFO L274 CegarLoopResult]: For program point L720-2(lines 720 732) no Hoare annotation was computed. [2020-10-28 12:08:56,262 INFO L274 CegarLoopResult]: For program point L588(lines 588 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,263 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 24 1028) the Hoare annotation is: (let ((.cse9 (= ~a4~0 |old(~a4~0)|)) (.cse11 (= ~a25~0 |old(~a25~0)|)) (.cse7 (= ~a23~0 |old(~a23~0)|)) (.cse8 (= ~a29~0 |old(~a29~0)|))) (let ((.cse1 (not (= 13 |old(~a25~0)|))) (.cse0 (not (= |old(~a4~0)| 1))) (.cse5 (and .cse11 .cse7 .cse8 (= ~a4~0 1))) (.cse6 (not (= 12 |old(~a25~0)|))) (.cse3 (not (= 11 |old(~a25~0)|))) (.cse4 (not (<= |old(~a25~0)| 10))) (.cse2 (and .cse11 .cse7 .cse8 .cse9)) (.cse10 (not (= |old(~a4~0)| 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse2 .cse3) (or .cse0 .cse4 .cse2) (or .cse0 .cse5 .cse6 (not (<= |old(~a29~0)| 220))) (or (and .cse7 .cse8 (= ~a25~0 12) .cse9) .cse6 .cse10) (or .cse1 .cse2 .cse10) (or .cse0 .cse5 .cse6 (not (<= 160 |old(~a23~0)|))) (or .cse2 .cse3 .cse10) (or .cse4 .cse2 .cse10)))) [2020-10-28 12:08:56,263 INFO L274 CegarLoopResult]: For program point L324(lines 324 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,263 INFO L274 CegarLoopResult]: For program point L589(lines 589 599) no Hoare annotation was computed. [2020-10-28 12:08:56,263 INFO L274 CegarLoopResult]: For program point L589-2(lines 589 599) no Hoare annotation was computed. [2020-10-28 12:08:56,263 INFO L274 CegarLoopResult]: For program point L193-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:08:56,263 INFO L274 CegarLoopResult]: For program point L127-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:08:56,263 INFO L274 CegarLoopResult]: For program point L61-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:08:56,263 INFO L274 CegarLoopResult]: For program point L854(lines 854 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,264 INFO L274 CegarLoopResult]: For program point L458(lines 458 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,264 INFO L274 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-10-28 12:08:56,264 INFO L270 CegarLoopResult]: At program point L128(line 128) the Hoare annotation is: (let ((.cse3 (not (= 11 |old(~a25~0)|))) (.cse0 (not (= 12 |old(~a25~0)|))) (.cse4 (not (= 13 |old(~a25~0)|))) (.cse1 (not (= |old(~a4~0)| 0))) (.cse2 (not (= |old(~a4~0)| 1))) (.cse5 (not (<= |old(~a25~0)| 10)))) (and (or .cse0 .cse1) (or .cse2 .cse3) (or .cse3 .cse1) (or .cse2 .cse0 (not (<= 160 |old(~a23~0)|))) (or .cse2 .cse4) (or .cse2 .cse0 (not (<= |old(~a29~0)| 220))) (or .cse5 .cse1) (or .cse4 .cse1) (or .cse2 .cse5))) [2020-10-28 12:08:56,264 INFO L274 CegarLoopResult]: For program point L128-1(line 128) no Hoare annotation was computed. [2020-10-28 12:08:56,264 INFO L274 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-10-28 12:08:56,264 INFO L274 CegarLoopResult]: For program point L789(lines 789 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,264 INFO L274 CegarLoopResult]: For program point L393(lines 393 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,264 INFO L274 CegarLoopResult]: For program point L262(lines 262 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,265 INFO L274 CegarLoopResult]: For program point L196-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:08:56,265 INFO L274 CegarLoopResult]: For program point L130-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:08:56,265 INFO L274 CegarLoopResult]: For program point L64-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:08:56,265 INFO L274 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-10-28 12:08:56,265 INFO L274 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-10-28 12:08:56,265 INFO L274 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-10-28 12:08:56,265 INFO L274 CegarLoopResult]: For program point L990(lines 990 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,265 INFO L274 CegarLoopResult]: For program point L660(lines 660 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,265 INFO L274 CegarLoopResult]: For program point L528(lines 528 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,265 INFO L274 CegarLoopResult]: For program point L331(lines 331 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,266 INFO L274 CegarLoopResult]: For program point L199-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:08:56,266 INFO L274 CegarLoopResult]: For program point L133-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:08:56,266 INFO L274 CegarLoopResult]: For program point L67-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:08:56,266 INFO L274 CegarLoopResult]: For program point L794(lines 794 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,266 INFO L274 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-10-28 12:08:56,266 INFO L274 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-10-28 12:08:56,266 INFO L274 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-10-28 12:08:56,266 INFO L274 CegarLoopResult]: For program point L861(lines 861 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,266 INFO L274 CegarLoopResult]: For program point L465(lines 465 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,266 INFO L274 CegarLoopResult]: For program point L267(lines 267 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,266 INFO L274 CegarLoopResult]: For program point L400(lines 400 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,266 INFO L274 CegarLoopResult]: For program point L202-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:08:56,267 INFO L274 CegarLoopResult]: For program point L136-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:08:56,267 INFO L274 CegarLoopResult]: For program point L70-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:08:56,267 INFO L274 CegarLoopResult]: For program point L995(lines 995 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,267 INFO L274 CegarLoopResult]: For program point L929(lines 929 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,267 INFO L274 CegarLoopResult]: For program point L665(lines 665 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,267 INFO L274 CegarLoopResult]: For program point L533(lines 533 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,267 INFO L274 CegarLoopResult]: For program point L401(lines 401 412) no Hoare annotation was computed. [2020-10-28 12:08:56,267 INFO L274 CegarLoopResult]: For program point L401-2(lines 401 412) no Hoare annotation was computed. [2020-10-28 12:08:56,267 INFO L274 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-10-28 12:08:56,267 INFO L274 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-10-28 12:08:56,267 INFO L274 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-10-28 12:08:56,268 INFO L274 CegarLoopResult]: For program point L600(lines 600 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,268 INFO L274 CegarLoopResult]: For program point L336(lines 336 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,268 INFO L274 CegarLoopResult]: For program point L270(lines 270 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,268 INFO L274 CegarLoopResult]: For program point L733(lines 733 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,268 INFO L274 CegarLoopResult]: For program point L205-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:08:56,268 INFO L274 CegarLoopResult]: For program point L139-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:08:56,268 INFO L274 CegarLoopResult]: For program point L73-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:08:56,268 INFO L274 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-10-28 12:08:56,268 INFO L274 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-10-28 12:08:56,268 INFO L274 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-10-28 12:08:56,269 INFO L274 CegarLoopResult]: For program point L867(lines 867 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,269 INFO L274 CegarLoopResult]: For program point L801(lines 801 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,269 INFO L274 CegarLoopResult]: For program point L934(lines 934 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,269 INFO L274 CegarLoopResult]: For program point L868(lines 868 877) no Hoare annotation was computed. [2020-10-28 12:08:56,269 INFO L274 CegarLoopResult]: For program point L868-2(lines 868 877) no Hoare annotation was computed. [2020-10-28 12:08:56,269 INFO L274 CegarLoopResult]: For program point L472(lines 472 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,269 INFO L274 CegarLoopResult]: For program point L142-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:08:56,269 INFO L274 CegarLoopResult]: For program point L76-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:08:56,269 INFO L274 CegarLoopResult]: For program point L605(lines 605 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,269 INFO L274 CegarLoopResult]: For program point L539(lines 539 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,269 INFO L274 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-10-28 12:08:56,270 INFO L274 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-10-28 12:08:56,270 INFO L274 CegarLoopResult]: For program point L1002(lines 1002 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,270 INFO L274 CegarLoopResult]: For program point L672(lines 672 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,270 INFO L274 CegarLoopResult]: For program point L606(lines 606 616) no Hoare annotation was computed. [2020-10-28 12:08:56,270 INFO L274 CegarLoopResult]: For program point L606-2(lines 606 616) no Hoare annotation was computed. [2020-10-28 12:08:56,270 INFO L274 CegarLoopResult]: For program point L342(lines 342 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,270 INFO L274 CegarLoopResult]: For program point L277(lines 277 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,270 INFO L274 CegarLoopResult]: For program point L145-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:08:56,270 INFO L274 CegarLoopResult]: For program point L79-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:08:56,270 INFO L274 CegarLoopResult]: For program point L806(lines 806 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,270 INFO L274 CegarLoopResult]: For program point L740(lines 740 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,270 INFO L274 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-10-28 12:08:56,271 INFO L274 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-10-28 12:08:56,271 INFO L274 CegarLoopResult]: For program point L807(lines 807 817) no Hoare annotation was computed. [2020-10-28 12:08:56,271 INFO L274 CegarLoopResult]: For program point L807-2(lines 807 817) no Hoare annotation was computed. [2020-10-28 12:08:56,271 INFO L274 CegarLoopResult]: For program point L544(lines 544 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,271 INFO L274 CegarLoopResult]: For program point L148-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:08:56,271 INFO L274 CegarLoopResult]: For program point L82-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:08:56,271 INFO L274 CegarLoopResult]: For program point L1007(lines 1007 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,271 INFO L274 CegarLoopResult]: For program point L941(lines 941 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,271 INFO L274 CegarLoopResult]: For program point L677(lines 677 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,271 INFO L274 CegarLoopResult]: For program point L479(lines 479 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,272 INFO L274 CegarLoopResult]: For program point L413(lines 413 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,272 INFO L274 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-10-28 12:08:56,272 INFO L274 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-10-28 12:08:56,272 INFO L274 CegarLoopResult]: For program point L942(lines 942 954) no Hoare annotation was computed. [2020-10-28 12:08:56,272 INFO L274 CegarLoopResult]: For program point L942-2(lines 942 954) no Hoare annotation was computed. [2020-10-28 12:08:56,272 INFO L274 CegarLoopResult]: For program point L480(lines 480 488) no Hoare annotation was computed. [2020-10-28 12:08:56,272 INFO L274 CegarLoopResult]: For program point L480-2(lines 480 488) no Hoare annotation was computed. [2020-10-28 12:08:56,272 INFO L274 CegarLoopResult]: For program point L348(lines 348 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,272 INFO L274 CegarLoopResult]: For program point L282(lines 282 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,272 INFO L274 CegarLoopResult]: For program point L216(lines 216 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,273 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:08:56,273 INFO L274 CegarLoopResult]: For program point L745(lines 745 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,273 INFO L274 CegarLoopResult]: For program point L151-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:08:56,273 INFO L274 CegarLoopResult]: For program point L85-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:08:56,273 INFO L274 CegarLoopResult]: For program point L878(lines 878 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,273 INFO L274 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-10-28 12:08:56,273 INFO L274 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-10-28 12:08:56,273 INFO L274 CegarLoopResult]: For program point L154-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:08:56,273 INFO L274 CegarLoopResult]: For program point L88-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:08:56,273 INFO L274 CegarLoopResult]: For program point L683(lines 683 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,274 INFO L274 CegarLoopResult]: For program point L617(lines 617 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,274 INFO L274 CegarLoopResult]: For program point L551(lines 551 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,274 INFO L274 CegarLoopResult]: For program point L419(lines 419 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,274 INFO L274 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-10-28 12:08:56,274 INFO L274 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-10-28 12:08:56,274 INFO L274 CegarLoopResult]: For program point L1014(lines 1014 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,274 INFO L274 CegarLoopResult]: For program point L883(lines 883 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,274 INFO L274 CegarLoopResult]: For program point L355(lines 355 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,274 INFO L274 CegarLoopResult]: For program point L289(lines 289 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,275 INFO L274 CegarLoopResult]: For program point L223(lines 223 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,275 INFO L274 CegarLoopResult]: For program point L157-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:08:56,275 INFO L274 CegarLoopResult]: For program point L91-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:08:56,275 INFO L274 CegarLoopResult]: For program point L25(lines 25 27) no Hoare annotation was computed. [2020-10-28 12:08:56,275 INFO L274 CegarLoopResult]: For program point L25-2(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:08:56,275 INFO L274 CegarLoopResult]: For program point L818(lines 818 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,275 INFO L274 CegarLoopResult]: For program point L752(lines 752 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,275 INFO L274 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-10-28 12:08:56,275 INFO L274 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-10-28 12:08:56,275 INFO L274 CegarLoopResult]: For program point L26(line 26) no Hoare annotation was computed. [2020-10-28 12:08:56,276 INFO L274 CegarLoopResult]: For program point L489(lines 489 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,276 INFO L274 CegarLoopResult]: For program point L490(lines 490 501) no Hoare annotation was computed. [2020-10-28 12:08:56,276 INFO L274 CegarLoopResult]: For program point L424(lines 424 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,276 INFO L274 CegarLoopResult]: For program point L490-2(lines 490 501) no Hoare annotation was computed. [2020-10-28 12:08:56,276 INFO L274 CegarLoopResult]: For program point L160-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:08:56,276 INFO L274 CegarLoopResult]: For program point L94-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:08:56,276 INFO L274 CegarLoopResult]: For program point L28-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:08:56,276 INFO L274 CegarLoopResult]: For program point L1019(lines 1019 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,276 INFO L274 CegarLoopResult]: For program point L623(lines 623 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,276 INFO L274 CegarLoopResult]: For program point L557(lines 557 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,277 INFO L274 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-10-28 12:08:56,277 INFO L274 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-10-28 12:08:56,277 INFO L274 CegarLoopResult]: For program point L29(line 29) no Hoare annotation was computed. [2020-10-28 12:08:56,277 INFO L274 CegarLoopResult]: For program point L888(lines 888 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,277 INFO L274 CegarLoopResult]: For program point L690(lines 690 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,277 INFO L274 CegarLoopResult]: For program point L360(lines 360 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,277 INFO L274 CegarLoopResult]: For program point L955(lines 955 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,277 INFO L274 CegarLoopResult]: For program point L229(lines 229 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,277 INFO L274 CegarLoopResult]: For program point L163-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:08:56,278 INFO L274 CegarLoopResult]: For program point L97-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:08:56,278 INFO L274 CegarLoopResult]: For program point L31-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:08:56,278 INFO L274 CegarLoopResult]: For program point L824(lines 824 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,278 INFO L274 CegarLoopResult]: For program point L296(lines 296 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,278 INFO L274 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-10-28 12:08:56,278 INFO L274 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-10-28 12:08:56,278 INFO L274 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2020-10-28 12:08:56,278 INFO L274 CegarLoopResult]: For program point L759(lines 759 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,278 INFO L274 CegarLoopResult]: For program point L760(lines 760 770) no Hoare annotation was computed. [2020-10-28 12:08:56,278 INFO L274 CegarLoopResult]: For program point L760-2(lines 760 770) no Hoare annotation was computed. [2020-10-28 12:08:56,278 INFO L274 CegarLoopResult]: For program point L166-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:08:56,279 INFO L274 CegarLoopResult]: For program point L100-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:08:56,279 INFO L274 CegarLoopResult]: For program point L34-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:08:56,279 INFO L274 CegarLoopResult]: For program point L827(lines 827 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,279 INFO L274 CegarLoopResult]: For program point L563(lines 563 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,279 INFO L274 CegarLoopResult]: For program point L431(lines 431 1026) no Hoare annotation was computed. [2020-10-28 12:08:56,279 INFO L274 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-10-28 12:08:56,279 INFO L274 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-10-28 12:08:56,279 INFO L274 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-10-28 12:08:56,279 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-28 12:08:56,279 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a25~0 10) (<= 312 ~a23~0) (= ~a29~0 130) (= ~a4~0 1)) [2020-10-28 12:08:56,280 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-28 12:08:56,280 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-28 12:08:56,280 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 1030 1046) the Hoare annotation is: (or (not (= |old(~a4~0)| 1)) (not (<= |old(~a25~0)| 10)) (and (= ~a25~0 |old(~a25~0)|) (= ~a23~0 |old(~a23~0)|) (= ~a29~0 130) (= ~a4~0 1)) (not (= 130 |old(~a29~0)|)) (not (<= 312 |old(~a23~0)|))) [2020-10-28 12:08:56,280 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 1030 1046) no Hoare annotation was computed. [2020-10-28 12:08:56,280 INFO L270 CegarLoopResult]: At program point L1044(line 1044) the Hoare annotation is: (let ((.cse2 (= ~a25~0 13)) (.cse0 (= ~a25~0 12)) (.cse4 (= ~a25~0 11)) (.cse1 (= ~a4~0 1)) (.cse5 (<= ~a25~0 10)) (.cse3 (= ~a4~0 0))) (or (and .cse0 .cse1 (<= 160 ~a23~0)) (and .cse2 .cse1) (not (<= 312 |old(~a23~0)|)) (and .cse0 (<= ~a29~0 220) .cse1) (and .cse3 .cse2) (not (<= |old(~a25~0)| 10)) (not (= |old(~a4~0)| 1)) (and .cse3 .cse0) (and .cse4 .cse1) (not (= 130 |old(~a29~0)|)) (and .cse4 .cse3) (and .cse5 .cse1) (and .cse5 .cse3))) [2020-10-28 12:08:56,280 INFO L274 CegarLoopResult]: For program point L1044-1(line 1044) no Hoare annotation was computed. [2020-10-28 12:08:56,280 INFO L274 CegarLoopResult]: For program point L1041(line 1041) no Hoare annotation was computed. [2020-10-28 12:08:56,281 INFO L270 CegarLoopResult]: At program point L1036-2(lines 1036 1045) the Hoare annotation is: (let ((.cse2 (= ~a25~0 13)) (.cse0 (= ~a25~0 12)) (.cse4 (= ~a25~0 11)) (.cse1 (= ~a4~0 1)) (.cse5 (<= ~a25~0 10)) (.cse3 (= ~a4~0 0))) (or (and .cse0 .cse1 (<= 160 ~a23~0)) (and .cse2 .cse1) (not (<= 312 |old(~a23~0)|)) (and .cse0 (<= ~a29~0 220) .cse1) (and .cse3 .cse2) (not (<= |old(~a25~0)| 10)) (not (= |old(~a4~0)| 1)) (and .cse3 .cse0) (and .cse4 .cse1) (not (= 130 |old(~a29~0)|)) (and .cse4 .cse3) (and .cse5 .cse1) (and .cse5 .cse3))) [2020-10-28 12:08:56,281 INFO L274 CegarLoopResult]: For program point L1036-3(lines 1030 1046) no Hoare annotation was computed. [2020-10-28 12:08:56,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 12:08:56 BoogieIcfgContainer [2020-10-28 12:08:56,305 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 12:08:56,307 INFO L168 Benchmark]: Toolchain (without parser) took 97879.34 ms. Allocated memory was 160.4 MB in the beginning and 1.4 GB in the end (delta: 1.3 GB). Free memory was 134.3 MB in the beginning and 903.9 MB in the end (delta: -769.5 MB). Peak memory consumption was 843.6 MB. Max. memory is 8.0 GB. [2020-10-28 12:08:56,307 INFO L168 Benchmark]: CDTParser took 0.78 ms. Allocated memory is still 125.8 MB. Free memory was 101.5 MB in the beginning and 101.5 MB in the end (delta: 67.4 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 12:08:56,309 INFO L168 Benchmark]: CACSL2BoogieTranslator took 975.61 ms. Allocated memory is still 160.4 MB. Free memory was 133.8 MB in the beginning and 119.9 MB in the end (delta: 13.8 MB). Peak memory consumption was 29.1 MB. Max. memory is 8.0 GB. [2020-10-28 12:08:56,311 INFO L168 Benchmark]: Boogie Preprocessor took 141.37 ms. Allocated memory is still 160.4 MB. Free memory was 119.9 MB in the beginning and 112.6 MB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. [2020-10-28 12:08:56,313 INFO L168 Benchmark]: RCFGBuilder took 2219.54 ms. Allocated memory was 160.4 MB in the beginning and 192.9 MB in the end (delta: 32.5 MB). Free memory was 112.2 MB in the beginning and 116.3 MB in the end (delta: -4.2 MB). Peak memory consumption was 43.7 MB. Max. memory is 8.0 GB. [2020-10-28 12:08:56,315 INFO L168 Benchmark]: TraceAbstraction took 94528.46 ms. Allocated memory was 192.9 MB in the beginning and 1.4 GB in the end (delta: 1.3 GB). Free memory was 115.8 MB in the beginning and 903.9 MB in the end (delta: -788.1 MB). Peak memory consumption was 792.1 MB. Max. memory is 8.0 GB. [2020-10-28 12:08:56,319 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.78 ms. Allocated memory is still 125.8 MB. Free memory was 101.5 MB in the beginning and 101.5 MB in the end (delta: 67.4 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 975.61 ms. Allocated memory is still 160.4 MB. Free memory was 133.8 MB in the beginning and 119.9 MB in the end (delta: 13.8 MB). Peak memory consumption was 29.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 141.37 ms. Allocated memory is still 160.4 MB. Free memory was 119.9 MB in the beginning and 112.6 MB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. * RCFGBuilder took 2219.54 ms. Allocated memory was 160.4 MB in the beginning and 192.9 MB in the end (delta: 32.5 MB). Free memory was 112.2 MB in the beginning and 116.3 MB in the end (delta: -4.2 MB). Peak memory consumption was 43.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 94528.46 ms. Allocated memory was 192.9 MB in the beginning and 1.4 GB in the end (delta: 1.3 GB). Free memory was 115.8 MB in the beginning and 903.9 MB in the end (delta: -788.1 MB). Peak memory consumption was 792.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1036]: Loop Invariant Derived loop invariant: (((((((((((((a25 == 12 && a4 == 1) && 160 <= a23) || (a25 == 13 && a4 == 1)) || !(312 <= \old(a23))) || ((a25 == 12 && a29 <= 220) && a4 == 1)) || (a4 == 0 && a25 == 13)) || !(\old(a25) <= 10)) || !(\old(a4) == 1)) || (a4 == 0 && a25 == 12)) || (a25 == 11 && a4 == 1)) || !(130 == \old(a29))) || (a25 == 11 && a4 == 0)) || (a25 <= 10 && a4 == 1)) || (a25 <= 10 && a4 == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 296 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 88.2s, OverallIterations: 14, TraceHistogramMax: 4, AutomataDifference: 47.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 642 SDtfs, 8013 SDslu, 1054 SDs, 0 SdLazy, 17670 SolverSat, 2797 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 33.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 204 GetRequests, 106 SyntacticMatches, 1 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 3.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10942occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.8s AutomataMinimizationTime, 14 MinimizatonAttempts, 1587 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 722 PreInvPairs, 868 NumberOfFragments, 581 HoareAnnotationTreeSize, 722 FomulaSimplifications, 22139 FormulaSimplificationTreeSizeReduction, 2.4s HoareSimplificationTime, 9 FomulaSimplificationsInter, 12269 FormulaSimplificationTreeSizeReductionInter, 3.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 35.7s InterpolantComputationTime, 3270 NumberOfCodeBlocks, 3270 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 3256 ConstructedInterpolants, 0 QuantifiedInterpolants, 2021384 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 3 PerfectInterpolantSequences, 2070/2089 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...