/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/eca-rers2012/Problem11_label03.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 17:29:14,848 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 17:29:14,851 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 17:29:14,902 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 17:29:14,903 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 17:29:14,904 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 17:29:14,906 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 17:29:14,909 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 17:29:14,911 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 17:29:14,912 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 17:29:14,913 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 17:29:14,915 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 17:29:14,916 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 17:29:14,917 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 17:29:14,918 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 17:29:14,920 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 17:29:14,921 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 17:29:14,922 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 17:29:14,924 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 17:29:14,926 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 17:29:14,928 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 17:29:14,933 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 17:29:14,934 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 17:29:14,936 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 17:29:14,939 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 17:29:14,940 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 17:29:14,940 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 17:29:14,941 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 17:29:14,942 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 17:29:14,943 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 17:29:14,943 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 17:29:14,944 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 17:29:14,945 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 17:29:14,946 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 17:29:14,947 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 17:29:14,947 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 17:29:14,948 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 17:29:14,949 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 17:29:14,949 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 17:29:14,950 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 17:29:14,951 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 17:29:14,957 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 17:29:15,010 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 17:29:15,010 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 17:29:15,013 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 17:29:15,014 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 17:29:15,014 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 17:29:15,016 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 17:29:15,016 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 17:29:15,017 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 17:29:15,017 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 17:29:15,017 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 17:29:15,017 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 17:29:15,017 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 17:29:15,018 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 17:29:15,018 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 17:29:15,018 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 17:29:15,018 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 17:29:15,018 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 17:29:15,019 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 17:29:15,019 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 17:29:15,019 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 17:29:15,019 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 17:29:15,019 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 17:29:15,020 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 17:29:15,022 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 17:29:15,022 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 17:29:15,022 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 17:29:15,022 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 17:29:15,022 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 17:29:15,023 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 17:29:15,023 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 17:29:15,506 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 17:29:15,544 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 17:29:15,547 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 17:29:15,548 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 17:29:15,550 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 17:29:15,551 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label03.c [2020-10-27 17:29:15,632 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/524e71775/6a03b16d9425483ea03399e77b5a7cf2/FLAGe00b0057d [2020-10-27 17:29:16,446 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 17:29:16,447 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem11_label03.c [2020-10-27 17:29:16,464 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/524e71775/6a03b16d9425483ea03399e77b5a7cf2/FLAGe00b0057d [2020-10-27 17:29:16,641 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/524e71775/6a03b16d9425483ea03399e77b5a7cf2 [2020-10-27 17:29:16,645 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 17:29:16,653 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 17:29:16,655 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 17:29:16,655 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 17:29:16,660 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 17:29:16,661 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:29:16" (1/1) ... [2020-10-27 17:29:16,665 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61162730 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:29:16, skipping insertion in model container [2020-10-27 17:29:16,665 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:29:16" (1/1) ... [2020-10-27 17:29:16,674 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 17:29:16,740 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 17:29:17,434 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 17:29:17,455 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 17:29:17,632 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 17:29:17,651 INFO L208 MainTranslator]: Completed translation [2020-10-27 17:29:17,652 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:29:17 WrapperNode [2020-10-27 17:29:17,652 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 17:29:17,653 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 17:29:17,654 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 17:29:17,654 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 17:29:17,668 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:29:17" (1/1) ... [2020-10-27 17:29:17,668 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:29:17" (1/1) ... [2020-10-27 17:29:17,697 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:29:17" (1/1) ... [2020-10-27 17:29:17,697 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:29:17" (1/1) ... [2020-10-27 17:29:17,777 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:29:17" (1/1) ... [2020-10-27 17:29:17,804 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:29:17" (1/1) ... [2020-10-27 17:29:17,823 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:29:17" (1/1) ... [2020-10-27 17:29:17,834 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 17:29:17,837 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 17:29:17,837 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 17:29:17,838 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 17:29:17,839 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:29:17" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 17:29:17,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 17:29:17,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 17:29:17,944 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 17:29:17,945 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-27 17:29:17,945 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 17:29:17,946 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-27 17:29:17,946 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 17:29:17,946 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 17:29:17,946 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 17:29:17,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 17:29:17,948 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 17:29:17,948 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 17:29:17,948 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 17:29:17,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 17:29:17,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 17:29:17,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 17:29:17,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 17:29:17,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 17:29:17,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 17:29:19,983 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 17:29:19,983 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-27 17:29:19,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:29:19 BoogieIcfgContainer [2020-10-27 17:29:19,988 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 17:29:19,991 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 17:29:19,991 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 17:29:19,996 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 17:29:19,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 05:29:16" (1/3) ... [2020-10-27 17:29:19,998 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c1b538b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 05:29:19, skipping insertion in model container [2020-10-27 17:29:19,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:29:17" (2/3) ... [2020-10-27 17:29:19,998 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c1b538b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 05:29:19, skipping insertion in model container [2020-10-27 17:29:19,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:29:19" (3/3) ... [2020-10-27 17:29:20,000 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label03.c [2020-10-27 17:29:20,014 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 17:29:20,020 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 17:29:20,035 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 17:29:20,085 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 17:29:20,085 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 17:29:20,085 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 17:29:20,085 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 17:29:20,085 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 17:29:20,085 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 17:29:20,086 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 17:29:20,086 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 17:29:20,118 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states. [2020-10-27 17:29:20,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-10-27 17:29:20,126 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:29:20,127 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] [2020-10-27 17:29:20,128 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:29:20,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:29:20,135 INFO L82 PathProgramCache]: Analyzing trace with hash 164451990, now seen corresponding path program 1 times [2020-10-27 17:29:20,145 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:29:20,146 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1279945643] [2020-10-27 17:29:20,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:29:20,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:20,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:21,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:21,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-27 17:29:21,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:29:21,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 721 [2020-10-27 17:29:21,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:21,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 17:29:21,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 17:29:21,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-27 17:29:21,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 17:29:21,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:29:21,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:21,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:21,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:21,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:29:21,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:29:21,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-27 17:29:21,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:21,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:29:21,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:29:21,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 17:29:21,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:21,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:29:21,285 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1279945643] [2020-10-27 17:29:21,287 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 17:29:21,287 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-27 17:29:21,288 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046412137] [2020-10-27 17:29:21,294 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:29:21,295 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:29:21,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:29:21,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:29:21,314 INFO L87 Difference]: Start difference. First operand 296 states. Second operand 5 states. [2020-10-27 17:29:26,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:29:26,006 INFO L93 Difference]: Finished difference Result 1004 states and 1802 transitions. [2020-10-27 17:29:26,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 17:29:26,009 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2020-10-27 17:29:26,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:29:26,030 INFO L225 Difference]: With dead ends: 1004 [2020-10-27 17:29:26,031 INFO L226 Difference]: Without dead ends: 640 [2020-10-27 17:29:26,042 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-27 17:29:26,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 640 states. [2020-10-27 17:29:26,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 640 to 622. [2020-10-27 17:29:26,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 622 states. [2020-10-27 17:29:26,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 622 states and 904 transitions. [2020-10-27 17:29:26,185 INFO L78 Accepts]: Start accepts. Automaton has 622 states and 904 transitions. Word has length 37 [2020-10-27 17:29:26,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:29:26,186 INFO L481 AbstractCegarLoop]: Abstraction has 622 states and 904 transitions. [2020-10-27 17:29:26,187 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:29:26,187 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 904 transitions. [2020-10-27 17:29:26,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-10-27 17:29:26,196 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:29:26,197 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:29:26,198 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 17:29:26,198 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:29:26,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:29:26,199 INFO L82 PathProgramCache]: Analyzing trace with hash 552761815, now seen corresponding path program 1 times [2020-10-27 17:29:26,199 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:29:26,199 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2078489577] [2020-10-27 17:29:26,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:29:26,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:26,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:26,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:27,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:27,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-27 17:29:27,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 17:29:27,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1296 [2020-10-27 17:29:27,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:27,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:29:27,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-27 17:29:27,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-27 17:29:27,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 17:29:27,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:29:27,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:27,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:27,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:27,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:29:27,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:29:27,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 17:29:27,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:27,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:29:27,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:29:27,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:29:27,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:27,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:29:27,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:27,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:27,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:27,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-27 17:29:27,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:29:27,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 121 [2020-10-27 17:29:27,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:27,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:29:27,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:29:27,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-27 17:29:27,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:27,982 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 28 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:29:27,983 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2078489577] [2020-10-27 17:29:27,983 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:29:27,983 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:29:27,983 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327585030] [2020-10-27 17:29:27,985 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:29:27,986 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:29:27,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:29:27,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:29:27,992 INFO L87 Difference]: Start difference. First operand 622 states and 904 transitions. Second operand 5 states. [2020-10-27 17:29:30,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:29:30,996 INFO L93 Difference]: Finished difference Result 1819 states and 2691 transitions. [2020-10-27 17:29:30,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:29:30,997 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 107 [2020-10-27 17:29:30,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:29:31,008 INFO L225 Difference]: With dead ends: 1819 [2020-10-27 17:29:31,008 INFO L226 Difference]: Without dead ends: 1203 [2020-10-27 17:29:31,012 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 17:29:31,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1203 states. [2020-10-27 17:29:31,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1203 to 1199. [2020-10-27 17:29:31,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1199 states. [2020-10-27 17:29:31,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1199 states to 1199 states and 1608 transitions. [2020-10-27 17:29:31,101 INFO L78 Accepts]: Start accepts. Automaton has 1199 states and 1608 transitions. Word has length 107 [2020-10-27 17:29:31,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:29:31,101 INFO L481 AbstractCegarLoop]: Abstraction has 1199 states and 1608 transitions. [2020-10-27 17:29:31,102 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:29:31,102 INFO L276 IsEmpty]: Start isEmpty. Operand 1199 states and 1608 transitions. [2020-10-27 17:29:31,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-10-27 17:29:31,115 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:29:31,115 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:29:31,116 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 17:29:31,116 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:29:31,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:29:31,117 INFO L82 PathProgramCache]: Analyzing trace with hash -987055189, now seen corresponding path program 1 times [2020-10-27 17:29:31,117 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:29:31,117 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [144488609] [2020-10-27 17:29:31,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:29:31,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:31,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:31,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:31,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:32,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:32,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-27 17:29:32,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 17:29:32,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1699 [2020-10-27 17:29:32,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:32,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:29:32,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 90 [2020-10-27 17:29:32,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-27 17:29:32,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:33,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:29:33,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:33,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:33,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:33,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:29:33,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:29:33,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 17:29:33,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:33,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:29:33,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:29:33,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:29:33,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:33,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:29:33,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:33,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:33,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:33,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-27 17:29:33,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:29:33,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 142 [2020-10-27 17:29:33,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:33,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:29:33,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:29:33,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-27 17:29:33,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:33,435 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 28 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:29:33,436 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [144488609] [2020-10-27 17:29:33,436 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:29:33,436 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:29:33,436 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600093836] [2020-10-27 17:29:33,437 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:29:33,437 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:29:33,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:29:33,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:29:33,439 INFO L87 Difference]: Start difference. First operand 1199 states and 1608 transitions. Second operand 5 states. [2020-10-27 17:29:33,961 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-27 17:29:35,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:29:35,714 INFO L93 Difference]: Finished difference Result 2413 states and 3252 transitions. [2020-10-27 17:29:35,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:29:35,714 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 117 [2020-10-27 17:29:35,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:29:35,722 INFO L225 Difference]: With dead ends: 2413 [2020-10-27 17:29:35,722 INFO L226 Difference]: Without dead ends: 1203 [2020-10-27 17:29:35,726 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 17:29:35,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1203 states. [2020-10-27 17:29:35,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1203 to 1199. [2020-10-27 17:29:35,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1199 states. [2020-10-27 17:29:35,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1199 states to 1199 states and 1599 transitions. [2020-10-27 17:29:35,767 INFO L78 Accepts]: Start accepts. Automaton has 1199 states and 1599 transitions. Word has length 117 [2020-10-27 17:29:35,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:29:35,768 INFO L481 AbstractCegarLoop]: Abstraction has 1199 states and 1599 transitions. [2020-10-27 17:29:35,768 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:29:35,768 INFO L276 IsEmpty]: Start isEmpty. Operand 1199 states and 1599 transitions. [2020-10-27 17:29:35,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-10-27 17:29:35,770 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:29:35,770 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:29:35,771 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 17:29:35,771 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:29:35,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:29:35,771 INFO L82 PathProgramCache]: Analyzing trace with hash -1804233029, now seen corresponding path program 1 times [2020-10-27 17:29:35,772 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:29:35,772 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2054903505] [2020-10-27 17:29:35,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:29:35,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:35,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:36,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:36,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:36,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-27 17:29:36,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 17:29:36,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 784 [2020-10-27 17:29:36,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:36,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:29:36,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 98 [2020-10-27 17:29:36,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-27 17:29:36,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 17:29:36,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:29:36,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:36,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:36,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:36,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:29:36,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:29:36,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 17:29:36,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:36,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:29:36,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:29:36,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:29:36,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:36,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:29:36,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:36,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:36,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:36,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-27 17:29:36,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:29:36,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-10-27 17:29:36,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:36,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:29:36,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:29:36,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-27 17:29:36,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:36,917 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 28 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:29:36,917 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2054903505] [2020-10-27 17:29:36,917 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:29:36,918 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:29:36,918 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963707554] [2020-10-27 17:29:36,919 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:29:36,919 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:29:36,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:29:36,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:29:36,920 INFO L87 Difference]: Start difference. First operand 1199 states and 1599 transitions. Second operand 5 states. [2020-10-27 17:29:39,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:29:39,760 INFO L93 Difference]: Finished difference Result 2782 states and 3798 transitions. [2020-10-27 17:29:39,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:29:39,761 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 125 [2020-10-27 17:29:39,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:29:39,772 INFO L225 Difference]: With dead ends: 2782 [2020-10-27 17:29:39,772 INFO L226 Difference]: Without dead ends: 1589 [2020-10-27 17:29:39,777 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 17:29:39,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1589 states. [2020-10-27 17:29:39,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1589 to 1580. [2020-10-27 17:29:39,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1580 states. [2020-10-27 17:29:39,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1580 states to 1580 states and 2152 transitions. [2020-10-27 17:29:39,855 INFO L78 Accepts]: Start accepts. Automaton has 1580 states and 2152 transitions. Word has length 125 [2020-10-27 17:29:39,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:29:39,858 INFO L481 AbstractCegarLoop]: Abstraction has 1580 states and 2152 transitions. [2020-10-27 17:29:39,858 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:29:39,858 INFO L276 IsEmpty]: Start isEmpty. Operand 1580 states and 2152 transitions. [2020-10-27 17:29:39,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2020-10-27 17:29:39,864 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:29:39,864 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-27 17:29:39,864 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 17:29:39,865 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:29:39,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:29:39,865 INFO L82 PathProgramCache]: Analyzing trace with hash -1791255188, now seen corresponding path program 1 times [2020-10-27 17:29:39,865 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:29:39,866 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1063636900] [2020-10-27 17:29:39,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:29:39,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:39,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:40,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:41,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:41,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:44,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:44,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:44,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 240 [2020-10-27 17:29:44,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 17:29:44,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-27 17:29:44,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:44,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:29:44,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 201 [2020-10-27 17:29:44,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-27 17:29:44,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:45,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:29:45,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:45,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:45,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:45,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:29:45,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:29:45,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 17:29:45,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:45,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:29:45,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:29:45,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:29:45,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:45,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:29:45,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:45,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:45,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:45,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-27 17:29:45,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:29:45,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-27 17:29:45,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:45,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:29:45,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:29:45,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:29:45,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:45,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-27 17:29:45,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:45,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:45,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:45,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-27 17:29:45,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:29:45,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 139 [2020-10-27 17:29:45,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:45,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:29:45,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:29:45,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-27 17:29:45,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:45,452 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 59 proven. 2 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2020-10-27 17:29:45,452 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1063636900] [2020-10-27 17:29:45,452 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:29:45,454 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:29:45,454 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611823529] [2020-10-27 17:29:45,455 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:29:45,455 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:29:45,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:29:45,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:29:45,456 INFO L87 Difference]: Start difference. First operand 1580 states and 2152 transitions. Second operand 5 states. [2020-10-27 17:29:48,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:29:48,282 INFO L93 Difference]: Finished difference Result 3728 states and 5251 transitions. [2020-10-27 17:29:48,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:29:48,285 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 226 [2020-10-27 17:29:48,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:29:48,300 INFO L225 Difference]: With dead ends: 3728 [2020-10-27 17:29:48,300 INFO L226 Difference]: Without dead ends: 2154 [2020-10-27 17:29:48,307 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 17:29:48,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2154 states. [2020-10-27 17:29:48,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2154 to 2150. [2020-10-27 17:29:48,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2150 states. [2020-10-27 17:29:48,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2150 states to 2150 states and 2880 transitions. [2020-10-27 17:29:48,388 INFO L78 Accepts]: Start accepts. Automaton has 2150 states and 2880 transitions. Word has length 226 [2020-10-27 17:29:48,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:29:48,389 INFO L481 AbstractCegarLoop]: Abstraction has 2150 states and 2880 transitions. [2020-10-27 17:29:48,389 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:29:48,389 INFO L276 IsEmpty]: Start isEmpty. Operand 2150 states and 2880 transitions. [2020-10-27 17:29:48,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-10-27 17:29:48,394 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:29:48,395 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:29:48,395 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 17:29:48,395 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:29:48,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:29:48,396 INFO L82 PathProgramCache]: Analyzing trace with hash 873533748, now seen corresponding path program 1 times [2020-10-27 17:29:48,396 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:29:48,396 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1636729012] [2020-10-27 17:29:48,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:29:48,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:48,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:48,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:49,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:52,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:52,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 244 [2020-10-27 17:29:52,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 17:29:52,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4067 [2020-10-27 17:29:52,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:52,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:29:52,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 205 [2020-10-27 17:29:52,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-27 17:29:52,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:52,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:29:52,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:52,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:52,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:52,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:29:52,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:29:52,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 17:29:52,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:52,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:29:52,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:29:52,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:29:52,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-27 17:29:52,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:29:52,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:52,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:52,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:52,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-27 17:29:52,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:29:52,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-27 17:29:52,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:52,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:29:52,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:29:52,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:29:52,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:52,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-27 17:29:52,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:52,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:52,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:52,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-10-27 17:29:52,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:29:52,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-10-27 17:29:52,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:52,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:29:52,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:29:52,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-10-27 17:29:52,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:53,022 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 59 proven. 2 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2020-10-27 17:29:53,023 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1636729012] [2020-10-27 17:29:53,023 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:29:53,024 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:29:53,024 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136203227] [2020-10-27 17:29:53,025 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:29:53,025 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:29:53,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:29:53,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:29:53,026 INFO L87 Difference]: Start difference. First operand 2150 states and 2880 transitions. Second operand 5 states. [2020-10-27 17:29:55,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:29:55,940 INFO L93 Difference]: Finished difference Result 5833 states and 8043 transitions. [2020-10-27 17:29:55,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:29:55,942 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 230 [2020-10-27 17:29:55,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:29:55,967 INFO L225 Difference]: With dead ends: 5833 [2020-10-27 17:29:55,968 INFO L226 Difference]: Without dead ends: 3689 [2020-10-27 17:29:55,975 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 17:29:55,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3689 states. [2020-10-27 17:29:56,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3689 to 3307. [2020-10-27 17:29:56,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3307 states. [2020-10-27 17:29:56,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3307 states to 3307 states and 4438 transitions. [2020-10-27 17:29:56,095 INFO L78 Accepts]: Start accepts. Automaton has 3307 states and 4438 transitions. Word has length 230 [2020-10-27 17:29:56,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:29:56,096 INFO L481 AbstractCegarLoop]: Abstraction has 3307 states and 4438 transitions. [2020-10-27 17:29:56,096 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:29:56,096 INFO L276 IsEmpty]: Start isEmpty. Operand 3307 states and 4438 transitions. [2020-10-27 17:29:56,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2020-10-27 17:29:56,104 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:29:56,104 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-27 17:29:56,104 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 17:29:56,105 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:29:56,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:29:56,105 INFO L82 PathProgramCache]: Analyzing trace with hash 680234776, now seen corresponding path program 1 times [2020-10-27 17:29:56,105 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:29:56,106 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [534359937] [2020-10-27 17:29:56,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:29:56,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:56,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:56,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:57,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:58,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:00,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:00,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 246 [2020-10-27 17:30:00,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 17:30:00,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4532 [2020-10-27 17:30:00,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:00,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:30:00,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 207 [2020-10-27 17:30:00,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-27 17:30:00,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 17:30:00,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:30:00,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:00,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:00,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:00,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:30:00,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:00,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 17:30:00,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:00,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:30:00,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:30:00,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:30:00,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:00,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:30:00,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:00,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:00,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:00,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-27 17:30:00,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:00,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-27 17:30:00,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:00,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:30:00,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:30:00,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:30:00,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:00,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-27 17:30:00,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:00,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:01,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:01,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-27 17:30:01,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:01,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 144 [2020-10-27 17:30:01,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:01,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:30:01,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:30:01,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-10-27 17:30:01,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:01,202 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 59 proven. 2 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2020-10-27 17:30:01,203 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [534359937] [2020-10-27 17:30:01,204 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:30:01,204 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:30:01,204 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838085326] [2020-10-27 17:30:01,205 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:30:01,205 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:30:01,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:30:01,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:30:01,207 INFO L87 Difference]: Start difference. First operand 3307 states and 4438 transitions. Second operand 5 states. [2020-10-27 17:30:04,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:30:04,177 INFO L93 Difference]: Finished difference Result 8131 states and 11336 transitions. [2020-10-27 17:30:04,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:30:04,185 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 232 [2020-10-27 17:30:04,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:30:04,218 INFO L225 Difference]: With dead ends: 8131 [2020-10-27 17:30:04,219 INFO L226 Difference]: Without dead ends: 4830 [2020-10-27 17:30:04,231 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 17:30:04,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4830 states. [2020-10-27 17:30:04,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4830 to 4826. [2020-10-27 17:30:04,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4826 states. [2020-10-27 17:30:04,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4826 states to 4826 states and 6551 transitions. [2020-10-27 17:30:04,437 INFO L78 Accepts]: Start accepts. Automaton has 4826 states and 6551 transitions. Word has length 232 [2020-10-27 17:30:04,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:30:04,438 INFO L481 AbstractCegarLoop]: Abstraction has 4826 states and 6551 transitions. [2020-10-27 17:30:04,438 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:30:04,438 INFO L276 IsEmpty]: Start isEmpty. Operand 4826 states and 6551 transitions. [2020-10-27 17:30:04,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2020-10-27 17:30:04,451 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:30:04,452 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:30:04,452 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 17:30:04,452 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:30:04,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:30:04,453 INFO L82 PathProgramCache]: Analyzing trace with hash -284198318, now seen corresponding path program 1 times [2020-10-27 17:30:04,453 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:30:04,454 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1585923909] [2020-10-27 17:30:04,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:30:04,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:04,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:04,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:05,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:09,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:09,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 268 [2020-10-27 17:30:09,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 17:30:09,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022 [2020-10-27 17:30:09,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:09,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:30:09,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 228 [2020-10-27 17:30:09,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-27 17:30:09,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:09,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:30:09,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:09,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:09,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:09,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:30:09,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:09,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 17:30:09,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:09,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:30:09,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:30:09,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:30:09,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:09,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:30:09,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:09,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:09,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:09,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-27 17:30:09,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:09,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-27 17:30:09,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:09,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:30:09,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:30:09,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:30:09,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 17:30:09,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-27 17:30:09,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:09,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:10,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:10,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-27 17:30:10,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:10,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 182 [2020-10-27 17:30:10,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:10,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:30:10,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:30:10,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 123 [2020-10-27 17:30:10,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 17:30:10,163 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 59 proven. 2 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2020-10-27 17:30:10,163 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1585923909] [2020-10-27 17:30:10,164 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:30:10,164 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:30:10,164 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784267083] [2020-10-27 17:30:10,165 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:30:10,165 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:30:10,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:30:10,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:30:10,166 INFO L87 Difference]: Start difference. First operand 4826 states and 6551 transitions. Second operand 5 states. [2020-10-27 17:30:13,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:30:13,084 INFO L93 Difference]: Finished difference Result 10790 states and 14992 transitions. [2020-10-27 17:30:13,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:30:13,085 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 254 [2020-10-27 17:30:13,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:30:13,119 INFO L225 Difference]: With dead ends: 10790 [2020-10-27 17:30:13,119 INFO L226 Difference]: Without dead ends: 5970 [2020-10-27 17:30:13,135 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 17:30:13,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5970 states. [2020-10-27 17:30:13,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5970 to 5778. [2020-10-27 17:30:13,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5778 states. [2020-10-27 17:30:13,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5778 states to 5778 states and 7810 transitions. [2020-10-27 17:30:13,333 INFO L78 Accepts]: Start accepts. Automaton has 5778 states and 7810 transitions. Word has length 254 [2020-10-27 17:30:13,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:30:13,334 INFO L481 AbstractCegarLoop]: Abstraction has 5778 states and 7810 transitions. [2020-10-27 17:30:13,334 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:30:13,334 INFO L276 IsEmpty]: Start isEmpty. Operand 5778 states and 7810 transitions. [2020-10-27 17:30:13,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2020-10-27 17:30:13,345 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:30:13,346 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-27 17:30:13,346 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 17:30:13,346 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:30:13,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:30:13,347 INFO L82 PathProgramCache]: Analyzing trace with hash 34482907, now seen corresponding path program 1 times [2020-10-27 17:30:13,347 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:30:13,348 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2053325746] [2020-10-27 17:30:13,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:30:13,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:13,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:13,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:14,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:15,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:15,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 278 [2020-10-27 17:30:15,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 17:30:15,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1682 [2020-10-27 17:30:15,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:15,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:30:15,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 239 [2020-10-27 17:30:15,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-27 17:30:15,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:15,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:30:15,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:15,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:15,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:15,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:30:15,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:15,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 17:30:15,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:15,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:30:15,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:30:15,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:30:15,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:15,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:30:15,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:15,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:15,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:15,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-27 17:30:15,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:15,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-27 17:30:15,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:15,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:30:15,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:30:15,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:30:15,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:15,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-27 17:30:15,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:15,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:15,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:15,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-27 17:30:15,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:15,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 258 [2020-10-27 17:30:15,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:15,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:30:15,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:30:15,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-10-27 17:30:15,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:15,900 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 59 proven. 2 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2020-10-27 17:30:15,901 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2053325746] [2020-10-27 17:30:15,901 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:30:15,901 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:30:15,907 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904340999] [2020-10-27 17:30:15,908 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:30:15,908 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:30:15,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:30:15,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:30:15,910 INFO L87 Difference]: Start difference. First operand 5778 states and 7810 transitions. Second operand 5 states. [2020-10-27 17:30:17,419 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-27 17:30:18,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:30:18,049 INFO L93 Difference]: Finished difference Result 11571 states and 15694 transitions. [2020-10-27 17:30:18,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:30:18,049 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 264 [2020-10-27 17:30:18,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:30:18,090 INFO L225 Difference]: With dead ends: 11571 [2020-10-27 17:30:18,091 INFO L226 Difference]: Without dead ends: 5782 [2020-10-27 17:30:18,106 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 17:30:18,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5782 states. [2020-10-27 17:30:18,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5782 to 5778. [2020-10-27 17:30:18,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5778 states. [2020-10-27 17:30:18,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5778 states to 5778 states and 7798 transitions. [2020-10-27 17:30:18,305 INFO L78 Accepts]: Start accepts. Automaton has 5778 states and 7798 transitions. Word has length 264 [2020-10-27 17:30:18,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:30:18,305 INFO L481 AbstractCegarLoop]: Abstraction has 5778 states and 7798 transitions. [2020-10-27 17:30:18,305 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:30:18,306 INFO L276 IsEmpty]: Start isEmpty. Operand 5778 states and 7798 transitions. [2020-10-27 17:30:18,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2020-10-27 17:30:18,318 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:30:18,318 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:30:18,319 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-27 17:30:18,319 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:30:18,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:30:18,319 INFO L82 PathProgramCache]: Analyzing trace with hash 1858762381, now seen corresponding path program 1 times [2020-10-27 17:30:18,320 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:30:18,320 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [104478927] [2020-10-27 17:30:18,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:30:18,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:18,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:18,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:19,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:21,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:21,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 287 [2020-10-27 17:30:21,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 17:30:21,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3038 [2020-10-27 17:30:21,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:21,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:30:21,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 248 [2020-10-27 17:30:21,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-27 17:30:21,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:21,594 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-10-27 17:30:21,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:30:21,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:21,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:21,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:21,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:30:21,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:21,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 17:30:21,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:21,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:30:21,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:30:21,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:30:21,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:21,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:30:21,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:21,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:21,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:21,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-27 17:30:21,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:21,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-27 17:30:21,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:21,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:30:21,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:30:21,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:30:21,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:21,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-27 17:30:21,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:21,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:21,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:21,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 149 [2020-10-27 17:30:21,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:21,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 151 [2020-10-27 17:30:21,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:21,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:30:21,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:30:21,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-10-27 17:30:21,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:22,004 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 59 proven. 2 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2020-10-27 17:30:22,004 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [104478927] [2020-10-27 17:30:22,005 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:30:22,005 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:30:22,005 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441722976] [2020-10-27 17:30:22,006 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:30:22,006 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:30:22,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:30:22,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:30:22,007 INFO L87 Difference]: Start difference. First operand 5778 states and 7798 transitions. Second operand 5 states. [2020-10-27 17:30:24,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:30:24,791 INFO L93 Difference]: Finished difference Result 13085 states and 17933 transitions. [2020-10-27 17:30:24,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:30:24,792 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 273 [2020-10-27 17:30:24,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:30:24,794 INFO L225 Difference]: With dead ends: 13085 [2020-10-27 17:30:24,794 INFO L226 Difference]: Without dead ends: 0 [2020-10-27 17:30:24,821 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 17:30:24,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-27 17:30:24,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-27 17:30:24,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-27 17:30:24,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-27 17:30:24,822 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 273 [2020-10-27 17:30:24,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:30:24,822 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-27 17:30:24,822 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:30:24,822 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-27 17:30:24,822 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-27 17:30:24,822 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-27 17:30:24,825 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-27 17:30:25,676 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 43 [2020-10-27 17:30:25,837 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 43 [2020-10-27 17:30:26,147 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 38 [2020-10-27 17:30:26,924 WARN L193 SmtUtils]: Spent 767.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 53 [2020-10-27 17:30:27,189 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-27 17:30:27,190 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-27 17:30:27,190 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-27 17:30:27,190 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-27 17:30:27,190 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-27 17:30:27,191 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~inputA~0 |old(~inputA~0)|) (= ~a25~0 |old(~a25~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~a23~0 |old(~a23~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a29~0 |old(~a29~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |old(#valid)| |#valid|) (= ~a3~0 |old(~a3~0)|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~inputB~0 |old(~inputB~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~a4~0 |old(~a4~0)|) (= |#t~string7.base| |old(#t~string7.base)|)) [2020-10-27 17:30:27,191 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-27 17:30:27,191 INFO L274 CegarLoopResult]: For program point L960(lines 960 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,191 INFO L274 CegarLoopResult]: For program point L696(lines 696 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,192 INFO L274 CegarLoopResult]: For program point L630(lines 630 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,192 INFO L274 CegarLoopResult]: For program point L895(lines 895 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,192 INFO L274 CegarLoopResult]: For program point L697(lines 697 707) no Hoare annotation was computed. [2020-10-27 17:30:27,192 INFO L274 CegarLoopResult]: For program point L697-2(lines 697 707) no Hoare annotation was computed. [2020-10-27 17:30:27,192 INFO L274 CegarLoopResult]: For program point L367(lines 367 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,192 INFO L274 CegarLoopResult]: For program point L301(lines 301 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,193 INFO L274 CegarLoopResult]: For program point L235(lines 235 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,193 INFO L274 CegarLoopResult]: For program point L169-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:27,193 INFO L274 CegarLoopResult]: For program point L103-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:27,193 INFO L274 CegarLoopResult]: For program point L37-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:27,193 INFO L274 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-10-27 17:30:27,193 INFO L274 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-10-27 17:30:27,193 INFO L274 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-10-27 17:30:27,193 INFO L274 CegarLoopResult]: For program point L568(lines 568 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,193 INFO L274 CegarLoopResult]: For program point L502(lines 502 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,194 INFO L274 CegarLoopResult]: For program point L172-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:27,194 INFO L274 CegarLoopResult]: For program point L106-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:27,194 INFO L274 CegarLoopResult]: For program point L40-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:27,194 INFO L274 CegarLoopResult]: For program point L965(lines 965 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,194 INFO L274 CegarLoopResult]: For program point L833(lines 833 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,194 INFO L274 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-10-27 17:30:27,194 INFO L274 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-10-27 17:30:27,194 INFO L274 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-10-27 17:30:27,194 INFO L274 CegarLoopResult]: For program point L900(lines 900 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,195 INFO L274 CegarLoopResult]: For program point L438(lines 438 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,195 INFO L274 CegarLoopResult]: For program point L372(lines 372 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,195 INFO L274 CegarLoopResult]: For program point L637(lines 637 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,195 INFO L274 CegarLoopResult]: For program point L307(lines 307 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,195 INFO L274 CegarLoopResult]: For program point L175-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:27,195 INFO L274 CegarLoopResult]: For program point L109-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:27,195 INFO L274 CegarLoopResult]: For program point L43-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:27,195 INFO L274 CegarLoopResult]: For program point L242(lines 242 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,195 INFO L274 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-10-27 17:30:27,195 INFO L274 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-10-27 17:30:27,196 INFO L274 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-10-27 17:30:27,196 INFO L274 CegarLoopResult]: For program point L771(lines 771 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,196 INFO L274 CegarLoopResult]: For program point L838(lines 838 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,196 INFO L274 CegarLoopResult]: For program point L574(lines 574 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,196 INFO L274 CegarLoopResult]: For program point L178-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:27,196 INFO L274 CegarLoopResult]: For program point L112-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:27,196 INFO L274 CegarLoopResult]: For program point L46-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:27,196 INFO L274 CegarLoopResult]: For program point L971(lines 971 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,197 INFO L274 CegarLoopResult]: For program point L905(lines 905 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,197 INFO L274 CegarLoopResult]: For program point L509(lines 509 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,197 INFO L274 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-10-27 17:30:27,197 INFO L274 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-10-27 17:30:27,197 INFO L274 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-10-27 17:30:27,197 INFO L274 CegarLoopResult]: For program point L972(lines 972 982) no Hoare annotation was computed. [2020-10-27 17:30:27,197 INFO L274 CegarLoopResult]: For program point L906(lines 906 916) no Hoare annotation was computed. [2020-10-27 17:30:27,197 INFO L274 CegarLoopResult]: For program point L972-2(lines 972 982) no Hoare annotation was computed. [2020-10-27 17:30:27,198 INFO L274 CegarLoopResult]: For program point L906-2(lines 906 916) no Hoare annotation was computed. [2020-10-27 17:30:27,198 INFO L274 CegarLoopResult]: For program point L708(lines 708 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,198 INFO L274 CegarLoopResult]: For program point L312(lines 312 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,198 INFO L274 CegarLoopResult]: For program point L577(lines 577 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,198 INFO L274 CegarLoopResult]: For program point L445(lines 445 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,198 INFO L274 CegarLoopResult]: For program point L379(lines 379 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,198 INFO L274 CegarLoopResult]: For program point L181-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:27,198 INFO L274 CegarLoopResult]: For program point L115-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:27,199 INFO L274 CegarLoopResult]: For program point L49-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:27,199 INFO L274 CegarLoopResult]: For program point L776(lines 776 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,199 INFO L274 CegarLoopResult]: For program point L644(lines 644 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,199 INFO L274 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-10-27 17:30:27,199 INFO L274 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-10-27 17:30:27,199 INFO L274 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-10-27 17:30:27,199 INFO L274 CegarLoopResult]: For program point L843(lines 843 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,199 INFO L274 CegarLoopResult]: For program point L249(lines 249 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,200 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:27,200 INFO L274 CegarLoopResult]: For program point L184-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:27,200 INFO L274 CegarLoopResult]: For program point L118-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:27,200 INFO L274 CegarLoopResult]: For program point L52-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:27,200 INFO L274 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-10-27 17:30:27,200 INFO L274 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-10-27 17:30:27,200 INFO L274 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-10-27 17:30:27,200 INFO L274 CegarLoopResult]: For program point L714(lines 714 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,200 INFO L274 CegarLoopResult]: For program point L516(lines 516 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,201 INFO L274 CegarLoopResult]: For program point L649(lines 649 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,201 INFO L274 CegarLoopResult]: For program point L583(lines 583 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,201 INFO L274 CegarLoopResult]: For program point L517(lines 517 527) no Hoare annotation was computed. [2020-10-27 17:30:27,201 INFO L274 CegarLoopResult]: For program point L517-2(lines 517 527) no Hoare annotation was computed. [2020-10-27 17:30:27,201 INFO L274 CegarLoopResult]: For program point L319(lines 319 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,201 INFO L274 CegarLoopResult]: For program point L187-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:27,201 INFO L274 CegarLoopResult]: For program point L121-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:27,201 INFO L274 CegarLoopResult]: For program point L55-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:27,201 INFO L274 CegarLoopResult]: For program point L848(lines 848 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,201 INFO L274 CegarLoopResult]: For program point L782(lines 782 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,202 INFO L274 CegarLoopResult]: For program point L650(lines 650 659) no Hoare annotation was computed. [2020-10-27 17:30:27,202 INFO L274 CegarLoopResult]: For program point L650-2(lines 650 659) no Hoare annotation was computed. [2020-10-27 17:30:27,202 INFO L274 CegarLoopResult]: For program point L452(lines 452 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,202 INFO L274 CegarLoopResult]: For program point L386(lines 386 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,202 INFO L274 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-10-27 17:30:27,202 INFO L274 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-10-27 17:30:27,202 INFO L274 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-10-27 17:30:27,202 INFO L274 CegarLoopResult]: For program point L256(lines 256 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,202 INFO L274 CegarLoopResult]: For program point L190-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:27,203 INFO L274 CegarLoopResult]: For program point L124-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:27,203 INFO L274 CegarLoopResult]: For program point L58-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:27,203 INFO L274 CegarLoopResult]: For program point L983(lines 983 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,203 INFO L274 CegarLoopResult]: For program point L917(lines 917 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,203 INFO L274 CegarLoopResult]: For program point L719(lines 719 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,203 INFO L274 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-10-27 17:30:27,203 INFO L274 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-10-27 17:30:27,203 INFO L274 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-10-27 17:30:27,203 INFO L274 CegarLoopResult]: For program point L918(lines 918 928) no Hoare annotation was computed. [2020-10-27 17:30:27,204 INFO L274 CegarLoopResult]: For program point L918-2(lines 918 928) no Hoare annotation was computed. [2020-10-27 17:30:27,204 INFO L274 CegarLoopResult]: For program point L720(lines 720 732) no Hoare annotation was computed. [2020-10-27 17:30:27,204 INFO L274 CegarLoopResult]: For program point L720-2(lines 720 732) no Hoare annotation was computed. [2020-10-27 17:30:27,204 INFO L274 CegarLoopResult]: For program point L588(lines 588 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,205 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 24 1028) the Hoare annotation is: (let ((.cse0 (and (= ~a25~0 |old(~a25~0)|) (= ~a23~0 |old(~a23~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a4~0 |old(~a4~0)|)))) (and (or (not (<= 143 |old(~a29~0)|)) .cse0) (or (not (= ~a8~0 15)) (not (<= (+ |old(~a23~0)| 242) 0)) (not (<= 141 |old(~a29~0)|)) .cse0 (not (<= |old(~a25~0)| 13)) (not (= ~a3~0 1))) (or (and (not (< 1 |old(~a4~0)|)) (not (<= |old(~a4~0)| 0))) .cse0) (or (not (<= 140 |old(~a23~0)|)) .cse0) (or .cse0 (not (<= |old(~a25~0)| 12))))) [2020-10-27 17:30:27,205 INFO L274 CegarLoopResult]: For program point L324(lines 324 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,205 INFO L274 CegarLoopResult]: For program point L589(lines 589 599) no Hoare annotation was computed. [2020-10-27 17:30:27,205 INFO L274 CegarLoopResult]: For program point L589-2(lines 589 599) no Hoare annotation was computed. [2020-10-27 17:30:27,205 INFO L274 CegarLoopResult]: For program point L193-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:27,206 INFO L274 CegarLoopResult]: For program point L127-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:27,206 INFO L274 CegarLoopResult]: For program point L61-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:27,206 INFO L274 CegarLoopResult]: For program point L854(lines 854 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,206 INFO L274 CegarLoopResult]: For program point L458(lines 458 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,206 INFO L274 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-10-27 17:30:27,206 INFO L274 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-10-27 17:30:27,206 INFO L274 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-10-27 17:30:27,206 INFO L274 CegarLoopResult]: For program point L789(lines 789 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,206 INFO L274 CegarLoopResult]: For program point L393(lines 393 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,207 INFO L274 CegarLoopResult]: For program point L262(lines 262 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,207 INFO L274 CegarLoopResult]: For program point L196-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:27,207 INFO L274 CegarLoopResult]: For program point L130-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:27,207 INFO L274 CegarLoopResult]: For program point L64-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:27,207 INFO L274 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-10-27 17:30:27,207 INFO L274 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-10-27 17:30:27,208 INFO L274 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-10-27 17:30:27,208 INFO L274 CegarLoopResult]: For program point L990(lines 990 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,208 INFO L274 CegarLoopResult]: For program point L660(lines 660 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,208 INFO L274 CegarLoopResult]: For program point L528(lines 528 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,208 INFO L274 CegarLoopResult]: For program point L331(lines 331 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,209 INFO L274 CegarLoopResult]: For program point L199-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:27,209 INFO L274 CegarLoopResult]: For program point L133-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:27,209 INFO L274 CegarLoopResult]: For program point L67-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:27,209 INFO L274 CegarLoopResult]: For program point L794(lines 794 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,209 INFO L274 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-10-27 17:30:27,209 INFO L274 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-10-27 17:30:27,209 INFO L274 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-10-27 17:30:27,209 INFO L274 CegarLoopResult]: For program point L861(lines 861 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,209 INFO L274 CegarLoopResult]: For program point L465(lines 465 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,209 INFO L274 CegarLoopResult]: For program point L267(lines 267 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,209 INFO L274 CegarLoopResult]: For program point L400(lines 400 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,210 INFO L274 CegarLoopResult]: For program point L202-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:27,210 INFO L274 CegarLoopResult]: For program point L136-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:27,210 INFO L274 CegarLoopResult]: For program point L70-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:27,210 INFO L274 CegarLoopResult]: For program point L995(lines 995 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,210 INFO L274 CegarLoopResult]: For program point L929(lines 929 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,210 INFO L274 CegarLoopResult]: For program point L665(lines 665 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,210 INFO L274 CegarLoopResult]: For program point L533(lines 533 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,210 INFO L274 CegarLoopResult]: For program point L401(lines 401 412) no Hoare annotation was computed. [2020-10-27 17:30:27,210 INFO L274 CegarLoopResult]: For program point L401-2(lines 401 412) no Hoare annotation was computed. [2020-10-27 17:30:27,210 INFO L274 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-10-27 17:30:27,211 INFO L274 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-10-27 17:30:27,211 INFO L274 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-10-27 17:30:27,211 INFO L274 CegarLoopResult]: For program point L600(lines 600 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,211 INFO L274 CegarLoopResult]: For program point L336(lines 336 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,211 INFO L274 CegarLoopResult]: For program point L270(lines 270 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,211 INFO L274 CegarLoopResult]: For program point L733(lines 733 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,211 INFO L274 CegarLoopResult]: For program point L205-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:27,211 INFO L274 CegarLoopResult]: For program point L139-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:27,211 INFO L274 CegarLoopResult]: For program point L73-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:27,211 INFO L274 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-10-27 17:30:27,212 INFO L274 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-10-27 17:30:27,212 INFO L274 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-10-27 17:30:27,212 INFO L274 CegarLoopResult]: For program point L867(lines 867 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,212 INFO L274 CegarLoopResult]: For program point L801(lines 801 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,212 INFO L274 CegarLoopResult]: For program point L934(lines 934 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,212 INFO L274 CegarLoopResult]: For program point L868(lines 868 877) no Hoare annotation was computed. [2020-10-27 17:30:27,212 INFO L274 CegarLoopResult]: For program point L868-2(lines 868 877) no Hoare annotation was computed. [2020-10-27 17:30:27,212 INFO L274 CegarLoopResult]: For program point L472(lines 472 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,212 INFO L274 CegarLoopResult]: For program point L142-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:27,212 INFO L274 CegarLoopResult]: For program point L76-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:27,213 INFO L274 CegarLoopResult]: For program point L605(lines 605 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,213 INFO L274 CegarLoopResult]: For program point L539(lines 539 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,213 INFO L274 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-10-27 17:30:27,213 INFO L274 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-10-27 17:30:27,213 INFO L274 CegarLoopResult]: For program point L1002(lines 1002 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,213 INFO L274 CegarLoopResult]: For program point L672(lines 672 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,213 INFO L274 CegarLoopResult]: For program point L606(lines 606 616) no Hoare annotation was computed. [2020-10-27 17:30:27,213 INFO L274 CegarLoopResult]: For program point L606-2(lines 606 616) no Hoare annotation was computed. [2020-10-27 17:30:27,213 INFO L274 CegarLoopResult]: For program point L342(lines 342 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,213 INFO L274 CegarLoopResult]: For program point L277(lines 277 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,213 INFO L274 CegarLoopResult]: For program point L145-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:27,213 INFO L274 CegarLoopResult]: For program point L79-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:27,214 INFO L274 CegarLoopResult]: For program point L806(lines 806 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,214 INFO L274 CegarLoopResult]: For program point L740(lines 740 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,214 INFO L274 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-10-27 17:30:27,214 INFO L274 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-10-27 17:30:27,214 INFO L274 CegarLoopResult]: For program point L807(lines 807 817) no Hoare annotation was computed. [2020-10-27 17:30:27,214 INFO L274 CegarLoopResult]: For program point L807-2(lines 807 817) no Hoare annotation was computed. [2020-10-27 17:30:27,214 INFO L274 CegarLoopResult]: For program point L544(lines 544 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,214 INFO L274 CegarLoopResult]: For program point L148-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:27,214 INFO L274 CegarLoopResult]: For program point L82-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:27,214 INFO L274 CegarLoopResult]: For program point L1007(lines 1007 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,214 INFO L274 CegarLoopResult]: For program point L941(lines 941 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,215 INFO L274 CegarLoopResult]: For program point L677(lines 677 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,215 INFO L274 CegarLoopResult]: For program point L479(lines 479 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,215 INFO L274 CegarLoopResult]: For program point L413(lines 413 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,215 INFO L274 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-10-27 17:30:27,215 INFO L274 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-10-27 17:30:27,215 INFO L274 CegarLoopResult]: For program point L942(lines 942 954) no Hoare annotation was computed. [2020-10-27 17:30:27,215 INFO L274 CegarLoopResult]: For program point L942-2(lines 942 954) no Hoare annotation was computed. [2020-10-27 17:30:27,215 INFO L274 CegarLoopResult]: For program point L480(lines 480 488) no Hoare annotation was computed. [2020-10-27 17:30:27,215 INFO L274 CegarLoopResult]: For program point L480-2(lines 480 488) no Hoare annotation was computed. [2020-10-27 17:30:27,215 INFO L274 CegarLoopResult]: For program point L348(lines 348 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,215 INFO L274 CegarLoopResult]: For program point L282(lines 282 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,216 INFO L274 CegarLoopResult]: For program point L216(lines 216 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,216 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:27,216 INFO L274 CegarLoopResult]: For program point L745(lines 745 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,216 INFO L274 CegarLoopResult]: For program point L151-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:27,216 INFO L274 CegarLoopResult]: For program point L85-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:27,216 INFO L274 CegarLoopResult]: For program point L878(lines 878 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,216 INFO L274 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-10-27 17:30:27,216 INFO L274 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-10-27 17:30:27,216 INFO L274 CegarLoopResult]: For program point L154-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:27,216 INFO L274 CegarLoopResult]: For program point L88-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:27,216 INFO L274 CegarLoopResult]: For program point L683(lines 683 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,217 INFO L274 CegarLoopResult]: For program point L617(lines 617 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,217 INFO L274 CegarLoopResult]: For program point L551(lines 551 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,217 INFO L274 CegarLoopResult]: For program point L419(lines 419 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,217 INFO L274 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-10-27 17:30:27,217 INFO L274 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-10-27 17:30:27,217 INFO L274 CegarLoopResult]: For program point L1014(lines 1014 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,217 INFO L274 CegarLoopResult]: For program point L883(lines 883 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,217 INFO L274 CegarLoopResult]: For program point L355(lines 355 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,217 INFO L274 CegarLoopResult]: For program point L289(lines 289 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,217 INFO L274 CegarLoopResult]: For program point L223(lines 223 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,217 INFO L274 CegarLoopResult]: For program point L157-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:27,218 INFO L274 CegarLoopResult]: For program point L91-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:27,218 INFO L274 CegarLoopResult]: For program point L25(lines 25 27) no Hoare annotation was computed. [2020-10-27 17:30:27,218 INFO L274 CegarLoopResult]: For program point L25-2(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:27,218 INFO L274 CegarLoopResult]: For program point L818(lines 818 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,218 INFO L274 CegarLoopResult]: For program point L752(lines 752 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,218 INFO L274 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-10-27 17:30:27,218 INFO L274 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-10-27 17:30:27,218 INFO L274 CegarLoopResult]: For program point L26(line 26) no Hoare annotation was computed. [2020-10-27 17:30:27,218 INFO L274 CegarLoopResult]: For program point L489(lines 489 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,218 INFO L274 CegarLoopResult]: For program point L490(lines 490 501) no Hoare annotation was computed. [2020-10-27 17:30:27,219 INFO L274 CegarLoopResult]: For program point L424(lines 424 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,219 INFO L274 CegarLoopResult]: For program point L490-2(lines 490 501) no Hoare annotation was computed. [2020-10-27 17:30:27,219 INFO L274 CegarLoopResult]: For program point L160-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:27,219 INFO L274 CegarLoopResult]: For program point L94-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:27,219 INFO L274 CegarLoopResult]: For program point L28-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:27,219 INFO L274 CegarLoopResult]: For program point L1019(lines 1019 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,219 INFO L274 CegarLoopResult]: For program point L623(lines 623 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,219 INFO L274 CegarLoopResult]: For program point L557(lines 557 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,219 INFO L274 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-10-27 17:30:27,219 INFO L274 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-10-27 17:30:27,220 INFO L274 CegarLoopResult]: For program point L29(line 29) no Hoare annotation was computed. [2020-10-27 17:30:27,220 INFO L274 CegarLoopResult]: For program point L888(lines 888 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,220 INFO L274 CegarLoopResult]: For program point L690(lines 690 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,220 INFO L274 CegarLoopResult]: For program point L360(lines 360 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,220 INFO L274 CegarLoopResult]: For program point L955(lines 955 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,220 INFO L274 CegarLoopResult]: For program point L229(lines 229 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,220 INFO L274 CegarLoopResult]: For program point L163-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:27,220 INFO L274 CegarLoopResult]: For program point L97-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:27,220 INFO L274 CegarLoopResult]: For program point L31-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:27,221 INFO L274 CegarLoopResult]: For program point L824(lines 824 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,221 INFO L274 CegarLoopResult]: For program point L296(lines 296 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,221 INFO L274 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-10-27 17:30:27,221 INFO L270 CegarLoopResult]: At program point L98(line 98) the Hoare annotation is: (and (not (< 1 |old(~a4~0)|)) (not (<= 143 |old(~a29~0)|)) (not (<= 140 |old(~a23~0)|)) (or (not (= ~a8~0 15)) (not (<= (+ |old(~a23~0)| 242) 0)) (not (<= 141 |old(~a29~0)|)) (not (<= |old(~a25~0)| 13)) (not (= ~a3~0 1))) (not (<= |old(~a25~0)| 12)) (not (<= |old(~a4~0)| 0))) [2020-10-27 17:30:27,221 INFO L274 CegarLoopResult]: For program point L98-1(line 98) no Hoare annotation was computed. [2020-10-27 17:30:27,221 INFO L274 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2020-10-27 17:30:27,221 INFO L274 CegarLoopResult]: For program point L759(lines 759 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,221 INFO L274 CegarLoopResult]: For program point L760(lines 760 770) no Hoare annotation was computed. [2020-10-27 17:30:27,221 INFO L274 CegarLoopResult]: For program point L760-2(lines 760 770) no Hoare annotation was computed. [2020-10-27 17:30:27,222 INFO L274 CegarLoopResult]: For program point L166-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:27,222 INFO L274 CegarLoopResult]: For program point L100-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:27,222 INFO L274 CegarLoopResult]: For program point L34-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:27,222 INFO L274 CegarLoopResult]: For program point L827(lines 827 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,222 INFO L274 CegarLoopResult]: For program point L563(lines 563 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,222 INFO L274 CegarLoopResult]: For program point L431(lines 431 1026) no Hoare annotation was computed. [2020-10-27 17:30:27,222 INFO L274 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-10-27 17:30:27,222 INFO L274 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-10-27 17:30:27,222 INFO L274 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-10-27 17:30:27,222 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-27 17:30:27,223 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 306 ~a23~0) (= ~a25~0 10)) [2020-10-27 17:30:27,223 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-27 17:30:27,223 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-27 17:30:27,223 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 1030 1046) the Hoare annotation is: (or (not (<= 306 |old(~a23~0)|)) (not (= 10 |old(~a25~0)|)) (and (= ~a25~0 |old(~a25~0)|) (= ~a23~0 |old(~a23~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a4~0 |old(~a4~0)|))) [2020-10-27 17:30:27,223 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 1030 1046) no Hoare annotation was computed. [2020-10-27 17:30:27,223 INFO L270 CegarLoopResult]: At program point L1044(line 1044) the Hoare annotation is: (or (<= ~a4~0 0) (<= ~a25~0 12) (not (<= 306 |old(~a23~0)|)) (< 1 ~a4~0) (<= 143 ~a29~0) (not (= 10 |old(~a25~0)|)) (and (<= ~a25~0 13) (<= 141 ~a29~0) (= ~a8~0 15) (<= (+ ~a23~0 242) 0) (= ~a3~0 1)) (<= 140 ~a23~0)) [2020-10-27 17:30:27,223 INFO L274 CegarLoopResult]: For program point L1044-1(line 1044) no Hoare annotation was computed. [2020-10-27 17:30:27,223 INFO L274 CegarLoopResult]: For program point L1041(line 1041) no Hoare annotation was computed. [2020-10-27 17:30:27,224 INFO L270 CegarLoopResult]: At program point L1036-2(lines 1036 1045) the Hoare annotation is: (or (<= ~a4~0 0) (<= ~a25~0 12) (not (<= 306 |old(~a23~0)|)) (< 1 ~a4~0) (<= 143 ~a29~0) (not (= 10 |old(~a25~0)|)) (and (<= ~a25~0 13) (<= 141 ~a29~0) (= ~a8~0 15) (<= (+ ~a23~0 242) 0) (= ~a3~0 1)) (<= 140 ~a23~0)) [2020-10-27 17:30:27,224 INFO L274 CegarLoopResult]: For program point L1036-3(lines 1030 1046) no Hoare annotation was computed. [2020-10-27 17:30:27,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 05:30:27 BoogieIcfgContainer [2020-10-27 17:30:27,247 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 17:30:27,249 INFO L168 Benchmark]: Toolchain (without parser) took 70601.61 ms. Allocated memory was 160.4 MB in the beginning and 1.0 GB in the end (delta: 844.1 MB). Free memory was 133.4 MB in the beginning and 708.3 MB in the end (delta: -574.9 MB). Peak memory consumption was 603.3 MB. Max. memory is 8.0 GB. [2020-10-27 17:30:27,250 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 125.8 MB. Free memory is still 104.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 17:30:27,250 INFO L168 Benchmark]: CACSL2BoogieTranslator took 997.82 ms. Allocated memory is still 160.4 MB. Free memory was 132.8 MB in the beginning and 118.5 MB in the end (delta: 14.3 MB). Peak memory consumption was 26.5 MB. Max. memory is 8.0 GB. [2020-10-27 17:30:27,251 INFO L168 Benchmark]: Boogie Preprocessor took 181.74 ms. Allocated memory is still 160.4 MB. Free memory was 118.5 MB in the beginning and 111.2 MB in the end (delta: 7.4 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. [2020-10-27 17:30:27,252 INFO L168 Benchmark]: RCFGBuilder took 2151.09 ms. Allocated memory is still 160.4 MB. Free memory was 110.7 MB in the beginning and 69.3 MB in the end (delta: 41.4 MB). Peak memory consumption was 65.5 MB. Max. memory is 8.0 GB. [2020-10-27 17:30:27,253 INFO L168 Benchmark]: TraceAbstraction took 67256.03 ms. Allocated memory was 160.4 MB in the beginning and 1.0 GB in the end (delta: 844.1 MB). Free memory was 68.8 MB in the beginning and 708.3 MB in the end (delta: -639.5 MB). Peak memory consumption was 537.6 MB. Max. memory is 8.0 GB. [2020-10-27 17:30:27,255 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 125.8 MB. Free memory is still 104.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 997.82 ms. Allocated memory is still 160.4 MB. Free memory was 132.8 MB in the beginning and 118.5 MB in the end (delta: 14.3 MB). Peak memory consumption was 26.5 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 181.74 ms. Allocated memory is still 160.4 MB. Free memory was 118.5 MB in the beginning and 111.2 MB in the end (delta: 7.4 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. * RCFGBuilder took 2151.09 ms. Allocated memory is still 160.4 MB. Free memory was 110.7 MB in the beginning and 69.3 MB in the end (delta: 41.4 MB). Peak memory consumption was 65.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 67256.03 ms. Allocated memory was 160.4 MB in the beginning and 1.0 GB in the end (delta: 844.1 MB). Free memory was 68.8 MB in the beginning and 708.3 MB in the end (delta: -639.5 MB). Peak memory consumption was 537.6 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: ((((((a4 <= 0 || a25 <= 12) || !(306 <= \old(a23))) || 1 < a4) || 143 <= a29) || !(10 == \old(a25))) || ((((a25 <= 13 && 141 <= a29) && a8 == 15) && a23 + 242 <= 0) && a3 == 1)) || 140 <= a23 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 296 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 64.7s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 29.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 429 SDtfs, 4996 SDslu, 508 SDs, 0 SdLazy, 10520 SolverSat, 1495 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 21.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 119 GetRequests, 74 SyntacticMatches, 4 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5778occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 621 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 372 PreInvPairs, 454 NumberOfFragments, 340 HoareAnnotationTreeSize, 372 FomulaSimplifications, 231350 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 9 FomulaSimplificationsInter, 4717 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 32.4s InterpolantComputationTime, 1865 NumberOfCodeBlocks, 1865 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1855 ConstructedInterpolants, 0 QuantifiedInterpolants, 851518 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 1 PerfectInterpolantSequences, 948/963 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...