/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/Problem16_label56.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 18:46:21,909 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 18:46:21,912 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 18:46:21,969 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 18:46:21,970 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 18:46:21,977 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 18:46:21,980 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 18:46:21,986 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 18:46:21,990 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 18:46:21,996 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 18:46:21,998 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 18:46:21,999 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 18:46:21,999 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 18:46:22,003 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 18:46:22,006 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 18:46:22,009 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 18:46:22,010 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 18:46:22,014 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 18:46:22,022 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 18:46:22,030 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 18:46:22,032 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 18:46:22,034 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 18:46:22,036 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 18:46:22,038 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 18:46:22,047 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 18:46:22,048 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 18:46:22,048 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 18:46:22,051 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 18:46:22,052 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 18:46:22,053 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 18:46:22,053 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 18:46:22,054 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 18:46:22,056 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 18:46:22,057 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 18:46:22,059 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 18:46:22,059 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 18:46:22,060 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 18:46:22,061 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 18:46:22,061 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 18:46:22,062 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 18:46:22,063 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 18:46:22,071 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 18:46:22,123 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 18:46:22,124 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 18:46:22,128 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 18:46:22,128 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 18:46:22,128 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 18:46:22,128 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 18:46:22,129 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 18:46:22,129 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 18:46:22,129 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 18:46:22,129 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 18:46:22,130 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 18:46:22,131 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 18:46:22,131 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 18:46:22,131 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 18:46:22,131 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 18:46:22,131 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 18:46:22,131 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 18:46:22,132 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 18:46:22,132 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 18:46:22,132 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 18:46:22,132 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 18:46:22,132 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 18:46:22,133 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 18:46:22,133 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 18:46:22,133 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 18:46:22,133 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 18:46:22,133 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 18:46:22,133 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 18:46:22,134 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 18:46:22,134 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 18:46:22,536 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 18:46:22,573 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 18:46:22,577 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 18:46:22,578 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 18:46:22,579 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 18:46:22,580 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem16_label56.c [2020-10-27 18:46:22,653 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2950d139e/545d6d20b6d5494d9b7f1dc581291f83/FLAGd23ab908b [2020-10-27 18:46:23,631 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 18:46:23,632 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem16_label56.c [2020-10-27 18:46:23,661 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2950d139e/545d6d20b6d5494d9b7f1dc581291f83/FLAGd23ab908b [2020-10-27 18:46:23,726 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2950d139e/545d6d20b6d5494d9b7f1dc581291f83 [2020-10-27 18:46:23,729 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 18:46:23,737 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 18:46:23,741 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 18:46:23,742 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 18:46:23,746 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 18:46:23,747 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:46:23" (1/1) ... [2020-10-27 18:46:23,756 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@767169d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:46:23, skipping insertion in model container [2020-10-27 18:46:23,756 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:46:23" (1/1) ... [2020-10-27 18:46:23,765 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 18:46:23,848 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 18:46:24,542 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 18:46:24,553 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 18:46:24,805 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 18:46:24,828 INFO L208 MainTranslator]: Completed translation [2020-10-27 18:46:24,829 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:46:24 WrapperNode [2020-10-27 18:46:24,830 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 18:46:24,831 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 18:46:24,831 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 18:46:24,831 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 18:46:24,847 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:46:24" (1/1) ... [2020-10-27 18:46:24,849 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:46:24" (1/1) ... [2020-10-27 18:46:24,898 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:46:24" (1/1) ... [2020-10-27 18:46:24,898 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:46:24" (1/1) ... [2020-10-27 18:46:24,986 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:46:24" (1/1) ... [2020-10-27 18:46:25,017 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:46:24" (1/1) ... [2020-10-27 18:46:25,044 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:46:24" (1/1) ... [2020-10-27 18:46:25,063 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 18:46:25,065 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 18:46:25,065 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 18:46:25,065 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 18:46:25,066 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:46:24" (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 18:46:25,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 18:46:25,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 18:46:25,149 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 18:46:25,149 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-27 18:46:25,149 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2020-10-27 18:46:25,150 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 18:46:25,150 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-27 18:46:25,150 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2020-10-27 18:46:25,150 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 18:46:25,150 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 18:46:25,150 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 18:46:25,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 18:46:25,151 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 18:46:25,151 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 18:46:25,151 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 18:46:25,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 18:46:25,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 18:46:25,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 18:46:25,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 18:46:25,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 18:46:25,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 18:46:27,673 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 18:46:27,673 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-27 18:46:27,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:46:27 BoogieIcfgContainer [2020-10-27 18:46:27,676 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 18:46:27,678 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 18:46:27,678 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 18:46:27,682 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 18:46:27,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 06:46:23" (1/3) ... [2020-10-27 18:46:27,683 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6716e1b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 06:46:27, skipping insertion in model container [2020-10-27 18:46:27,684 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:46:24" (2/3) ... [2020-10-27 18:46:27,684 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6716e1b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 06:46:27, skipping insertion in model container [2020-10-27 18:46:27,684 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:46:27" (3/3) ... [2020-10-27 18:46:27,686 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem16_label56.c [2020-10-27 18:46:27,698 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 18:46:27,704 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 18:46:27,719 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 18:46:27,756 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 18:46:27,756 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 18:46:27,756 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 18:46:27,756 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 18:46:27,756 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 18:46:27,756 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 18:46:27,756 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 18:46:27,757 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 18:46:27,786 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states. [2020-10-27 18:46:27,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-10-27 18:46:27,794 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 18:46:27,795 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 18:46:27,795 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 18:46:27,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 18:46:27,802 INFO L82 PathProgramCache]: Analyzing trace with hash 1558394036, now seen corresponding path program 1 times [2020-10-27 18:46:27,812 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 18:46:27,813 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1601906040] [2020-10-27 18:46:27,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 18:46:28,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:46:28,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:46:28,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:46:28,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-27 18:46:28,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:46:28,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 533 [2020-10-27 18:46:28,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:46:28,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 18:46:28,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 18:46:28,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-27 18:46:28,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 18:46:28,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 18:46:28,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:46:28,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:46:28,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:46:28,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 18:46:28,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:46:28,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-27 18:46:28,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:46:28,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:46:28,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:46:28,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 18:46:28,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:46:28,826 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 18:46:28,827 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1601906040] [2020-10-27 18:46:28,829 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 18:46:28,830 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-27 18:46:28,831 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645737625] [2020-10-27 18:46:28,837 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 18:46:28,837 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 18:46:28,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 18:46:28,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 18:46:28,860 INFO L87 Difference]: Start difference. First operand 413 states. Second operand 5 states. [2020-10-27 18:46:35,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 18:46:35,432 INFO L93 Difference]: Finished difference Result 1520 states and 2855 transitions. [2020-10-27 18:46:35,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 18:46:35,434 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 40 [2020-10-27 18:46:35,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 18:46:35,459 INFO L225 Difference]: With dead ends: 1520 [2020-10-27 18:46:35,459 INFO L226 Difference]: Without dead ends: 1039 [2020-10-27 18:46:35,471 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-27 18:46:35,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1039 states. [2020-10-27 18:46:35,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1039 to 1035. [2020-10-27 18:46:35,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1035 states. [2020-10-27 18:46:35,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1035 states to 1035 states and 1486 transitions. [2020-10-27 18:46:35,610 INFO L78 Accepts]: Start accepts. Automaton has 1035 states and 1486 transitions. Word has length 40 [2020-10-27 18:46:35,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 18:46:35,611 INFO L481 AbstractCegarLoop]: Abstraction has 1035 states and 1486 transitions. [2020-10-27 18:46:35,611 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 18:46:35,611 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 1486 transitions. [2020-10-27 18:46:35,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-10-27 18:46:35,617 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 18:46:35,618 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:46:35,618 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 18:46:35,618 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 18:46:35,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 18:46:35,619 INFO L82 PathProgramCache]: Analyzing trace with hash -87136908, now seen corresponding path program 1 times [2020-10-27 18:46:35,620 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 18:46:35,620 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [542135169] [2020-10-27 18:46:35,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 18:46:35,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:46:35,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:46:36,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:46:36,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:46:36,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-27 18:46:36,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 18:46:36,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1143 [2020-10-27 18:46:36,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:46:36,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:46:36,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 86 [2020-10-27 18:46:36,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-27 18:46:36,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 18:46:36,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 18:46:36,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:46:36,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:46:36,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:46:36,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 18:46:36,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:46:36,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 18:46:36,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:46:36,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:46:36,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:46:36,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:46:36,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 18:46:36,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 18:46:36,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:46:36,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:46:37,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:46:37,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-27 18:46:37,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:46:37,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-10-27 18:46:37,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:46:37,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:46:37,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:46:37,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-27 18:46:37,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:46:37,137 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 31 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 18:46:37,137 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [542135169] [2020-10-27 18:46:37,138 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 18:46:37,138 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 18:46:37,138 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186159201] [2020-10-27 18:46:37,140 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 18:46:37,140 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 18:46:37,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 18:46:37,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 18:46:37,143 INFO L87 Difference]: Start difference. First operand 1035 states and 1486 transitions. Second operand 5 states. [2020-10-27 18:46:41,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 18:46:41,359 INFO L93 Difference]: Finished difference Result 2410 states and 3595 transitions. [2020-10-27 18:46:41,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 18:46:41,361 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 116 [2020-10-27 18:46:41,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 18:46:41,373 INFO L225 Difference]: With dead ends: 2410 [2020-10-27 18:46:41,374 INFO L226 Difference]: Without dead ends: 1381 [2020-10-27 18:46:41,379 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 18:46:41,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1381 states. [2020-10-27 18:46:41,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1381 to 1377. [2020-10-27 18:46:41,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1377 states. [2020-10-27 18:46:41,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1377 states to 1377 states and 1901 transitions. [2020-10-27 18:46:41,441 INFO L78 Accepts]: Start accepts. Automaton has 1377 states and 1901 transitions. Word has length 116 [2020-10-27 18:46:41,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 18:46:41,442 INFO L481 AbstractCegarLoop]: Abstraction has 1377 states and 1901 transitions. [2020-10-27 18:46:41,443 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 18:46:41,443 INFO L276 IsEmpty]: Start isEmpty. Operand 1377 states and 1901 transitions. [2020-10-27 18:46:41,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2020-10-27 18:46:41,456 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 18:46:41,456 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 18:46:41,457 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 18:46:41,457 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 18:46:41,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 18:46:41,458 INFO L82 PathProgramCache]: Analyzing trace with hash -1245934416, now seen corresponding path program 1 times [2020-10-27 18:46:41,458 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 18:46:41,458 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1787381334] [2020-10-27 18:46:41,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 18:46:41,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:46:41,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:46:41,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:46:41,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:46:43,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:46:43,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:46:46,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:46:46,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 240 [2020-10-27 18:46:46,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 18:46:46,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022 [2020-10-27 18:46:46,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:46:46,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:46:46,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 198 [2020-10-27 18:46:46,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-27 18:46:46,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:46:46,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 18:46:46,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:46:46,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:46:46,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:46:46,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 18:46:46,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:46:46,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 18:46:46,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:46:46,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:46:46,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:46:46,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:46:46,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:46:46,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 18:46:46,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:46:46,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:46:46,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:46:46,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-27 18:46:46,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:46:46,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 18:46:46,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:46:46,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:46:46,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:46:46,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:46:46,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:46:46,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-27 18:46:46,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:46:46,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:46:46,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:46:46,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-27 18:46:46,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:46:46,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-10-27 18:46:46,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:46:46,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:46:46,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:46:46,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-10-27 18:46:46,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:46:47,036 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 65 proven. 2 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2020-10-27 18:46:47,037 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1787381334] [2020-10-27 18:46:47,037 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 18:46:47,037 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 18:46:47,038 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264241314] [2020-10-27 18:46:47,039 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 18:46:47,039 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 18:46:47,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 18:46:47,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 18:46:47,040 INFO L87 Difference]: Start difference. First operand 1377 states and 1901 transitions. Second operand 5 states. [2020-10-27 18:46:51,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 18:46:51,188 INFO L93 Difference]: Finished difference Result 3094 states and 4429 transitions. [2020-10-27 18:46:51,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 18:46:51,189 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 226 [2020-10-27 18:46:51,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 18:46:51,201 INFO L225 Difference]: With dead ends: 3094 [2020-10-27 18:46:51,201 INFO L226 Difference]: Without dead ends: 1723 [2020-10-27 18:46:51,205 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 18:46:51,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1723 states. [2020-10-27 18:46:51,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1723 to 1719. [2020-10-27 18:46:51,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1719 states. [2020-10-27 18:46:51,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1719 states to 1719 states and 2372 transitions. [2020-10-27 18:46:51,263 INFO L78 Accepts]: Start accepts. Automaton has 1719 states and 2372 transitions. Word has length 226 [2020-10-27 18:46:51,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 18:46:51,265 INFO L481 AbstractCegarLoop]: Abstraction has 1719 states and 2372 transitions. [2020-10-27 18:46:51,265 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 18:46:51,265 INFO L276 IsEmpty]: Start isEmpty. Operand 1719 states and 2372 transitions. [2020-10-27 18:46:51,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2020-10-27 18:46:51,274 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 18:46:51,275 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 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 18:46:51,275 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 18:46:51,275 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 18:46:51,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 18:46:51,276 INFO L82 PathProgramCache]: Analyzing trace with hash 1914413392, now seen corresponding path program 1 times [2020-10-27 18:46:51,276 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 18:46:51,276 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [559825890] [2020-10-27 18:46:51,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 18:46:51,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:46:51,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:46:51,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:46:51,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:46:52,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:46:53,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:46:56,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:46:56,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 334 [2020-10-27 18:46:56,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 18:46:56,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-27 18:46:56,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:46:56,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:46:56,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 198 [2020-10-27 18:46:56,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-27 18:46:56,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:46:56,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 18:46:56,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:46:56,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:46:56,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:46:56,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 18:46:56,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:46:56,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 18:46:56,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:46:56,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:46:56,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:46:56,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:46:56,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:46:56,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 18:46:56,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:46:56,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:46:56,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:46:56,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-27 18:46:56,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:46:56,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 18:46:56,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:46:56,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:46:56,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:46:56,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:46:56,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:46:56,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-27 18:46:56,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:46:56,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:46:56,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:46:56,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-27 18:46:56,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:46:56,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-27 18:46:56,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:46:56,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:46:56,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:46:56,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-10-27 18:46:56,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:46:56,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-10-27 18:46:56,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:46:56,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:46:56,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:46:56,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-10-27 18:46:56,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:46:56,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 125 [2020-10-27 18:46:56,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:46:56,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:46:56,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 18:46:56,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-27 18:46:56,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:46:57,036 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 263 proven. 2 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2020-10-27 18:46:57,037 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [559825890] [2020-10-27 18:46:57,037 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 18:46:57,037 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-27 18:46:57,037 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057127845] [2020-10-27 18:46:57,038 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 18:46:57,038 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 18:46:57,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 18:46:57,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-27 18:46:57,039 INFO L87 Difference]: Start difference. First operand 1719 states and 2372 transitions. Second operand 7 states. [2020-10-27 18:47:01,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 18:47:01,717 INFO L93 Difference]: Finished difference Result 5207 states and 7293 transitions. [2020-10-27 18:47:01,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 18:47:01,719 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 318 [2020-10-27 18:47:01,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 18:47:01,747 INFO L225 Difference]: With dead ends: 5207 [2020-10-27 18:47:01,748 INFO L226 Difference]: Without dead ends: 3494 [2020-10-27 18:47:01,755 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-27 18:47:01,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3494 states. [2020-10-27 18:47:01,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3494 to 3472. [2020-10-27 18:47:01,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3472 states. [2020-10-27 18:47:01,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3472 states to 3472 states and 4386 transitions. [2020-10-27 18:47:01,883 INFO L78 Accepts]: Start accepts. Automaton has 3472 states and 4386 transitions. Word has length 318 [2020-10-27 18:47:01,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 18:47:01,883 INFO L481 AbstractCegarLoop]: Abstraction has 3472 states and 4386 transitions. [2020-10-27 18:47:01,884 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 18:47:01,884 INFO L276 IsEmpty]: Start isEmpty. Operand 3472 states and 4386 transitions. [2020-10-27 18:47:01,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 506 [2020-10-27 18:47:01,900 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 18:47:01,901 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:47:01,901 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 18:47:01,901 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 18:47:01,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 18:47:01,902 INFO L82 PathProgramCache]: Analyzing trace with hash 2011906418, now seen corresponding path program 1 times [2020-10-27 18:47:01,902 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 18:47:01,903 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [217307369] [2020-10-27 18:47:01,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 18:47:01,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:47:02,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:47:02,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:47:03,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:47:03,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:47:04,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:47:05,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:47:07,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:47:07,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 521 [2020-10-27 18:47:07,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 18:47:07,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5061 [2020-10-27 18:47:07,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:47:07,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:47:07,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 479 [2020-10-27 18:47:07,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-27 18:47:07,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:47:07,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 18:47:07,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:47:07,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:47:07,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:47:07,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 18:47:07,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:47:07,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 18:47:07,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:47:07,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:47:07,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:47:07,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:47:07,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:47:07,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 18:47:07,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:47:07,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:47:07,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:47:07,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-27 18:47:07,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:47:07,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 18:47:07,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:47:07,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:47:07,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:47:07,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:47:07,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:47:07,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-27 18:47:07,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:47:07,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:47:07,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:47:07,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-10-27 18:47:07,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:47:07,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-10-27 18:47:07,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:47:07,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:47:07,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:47:07,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:47:07,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:47:07,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2020-10-27 18:47:07,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:47:07,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:47:07,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:47:07,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-27 18:47:07,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:47:07,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-27 18:47:07,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:47:07,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:47:07,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:47:07,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-27 18:47:07,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:47:07,974 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 99 proven. 3 refuted. 0 times theorem prover too weak. 277 trivial. 0 not checked. [2020-10-27 18:47:07,974 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [217307369] [2020-10-27 18:47:07,974 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 18:47:07,975 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 18:47:07,975 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927838070] [2020-10-27 18:47:07,976 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 18:47:07,976 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 18:47:07,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 18:47:07,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 18:47:07,977 INFO L87 Difference]: Start difference. First operand 3472 states and 4386 transitions. Second operand 5 states. [2020-10-27 18:47:12,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 18:47:12,627 INFO L93 Difference]: Finished difference Result 8648 states and 11265 transitions. [2020-10-27 18:47:12,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 18:47:12,638 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 505 [2020-10-27 18:47:12,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 18:47:12,666 INFO L225 Difference]: With dead ends: 8648 [2020-10-27 18:47:12,667 INFO L226 Difference]: Without dead ends: 5182 [2020-10-27 18:47:12,677 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 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 18:47:12,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5182 states. [2020-10-27 18:47:12,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5182 to 5174. [2020-10-27 18:47:12,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5174 states. [2020-10-27 18:47:12,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5174 states to 5174 states and 6294 transitions. [2020-10-27 18:47:12,817 INFO L78 Accepts]: Start accepts. Automaton has 5174 states and 6294 transitions. Word has length 505 [2020-10-27 18:47:12,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 18:47:12,819 INFO L481 AbstractCegarLoop]: Abstraction has 5174 states and 6294 transitions. [2020-10-27 18:47:12,819 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 18:47:12,819 INFO L276 IsEmpty]: Start isEmpty. Operand 5174 states and 6294 transitions. [2020-10-27 18:47:12,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 592 [2020-10-27 18:47:12,840 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 18:47:12,841 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:47:12,842 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 18:47:12,842 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 18:47:12,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 18:47:12,843 INFO L82 PathProgramCache]: Analyzing trace with hash 242440926, now seen corresponding path program 1 times [2020-10-27 18:47:12,843 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 18:47:12,843 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [965658769] [2020-10-27 18:47:12,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 18:47:12,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:47:12,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:47:13,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:47:13,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:47:13,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:47:17,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:47:17,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:47:17,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:47:17,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 609 [2020-10-27 18:47:17,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 18:47:17,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-27 18:47:17,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:47:17,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:47:17,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 376 [2020-10-27 18:47:17,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-27 18:47:17,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:47:18,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 18:47:18,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:47:18,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:47:18,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:47:18,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 18:47:18,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:47:18,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 18:47:18,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:47:18,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:47:18,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:47:18,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:47:18,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:47:18,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 18:47:18,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:47:18,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:47:18,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:47:18,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-27 18:47:18,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:47:18,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-27 18:47:18,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:47:18,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:47:18,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:47:18,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:47:18,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 18:47:18,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-27 18:47:18,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:47:18,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:47:18,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:47:18,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-10-27 18:47:18,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:47:18,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 363 [2020-10-27 18:47:18,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:47:18,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:47:18,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:47:18,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 268 [2020-10-27 18:47:18,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 18:47:18,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2020-10-27 18:47:18,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:47:18,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:47:19,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:47:19,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-27 18:47:19,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:47:19,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 202 [2020-10-27 18:47:19,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:47:19,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:47:19,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 18:47:19,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-27 18:47:19,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 18:47:19,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2020-10-27 18:47:19,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:47:19,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:47:19,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:47:19,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-27 18:47:19,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:47:19,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-27 18:47:19,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:47:19,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:47:19,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 114 [2020-10-27 18:47:19,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:47:19,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:47:19,626 INFO L134 CoverageAnalysis]: Checked inductivity of 639 backedges. 277 proven. 70 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2020-10-27 18:47:19,627 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [965658769] [2020-10-27 18:47:19,627 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 18:47:19,627 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-27 18:47:19,627 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814301137] [2020-10-27 18:47:19,628 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 18:47:19,629 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 18:47:19,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 18:47:19,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-27 18:47:19,630 INFO L87 Difference]: Start difference. First operand 5174 states and 6294 transitions. Second operand 7 states. [2020-10-27 18:47:24,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 18:47:24,655 INFO L93 Difference]: Finished difference Result 13124 states and 15868 transitions. [2020-10-27 18:47:24,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 18:47:24,657 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 591 [2020-10-27 18:47:24,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 18:47:24,697 INFO L225 Difference]: With dead ends: 13124 [2020-10-27 18:47:24,697 INFO L226 Difference]: Without dead ends: 7956 [2020-10-27 18:47:24,714 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-27 18:47:24,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7956 states. [2020-10-27 18:47:25,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7956 to 7940. [2020-10-27 18:47:25,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7940 states. [2020-10-27 18:47:25,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7940 states to 7940 states and 9467 transitions. [2020-10-27 18:47:25,049 INFO L78 Accepts]: Start accepts. Automaton has 7940 states and 9467 transitions. Word has length 591 [2020-10-27 18:47:25,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 18:47:25,051 INFO L481 AbstractCegarLoop]: Abstraction has 7940 states and 9467 transitions. [2020-10-27 18:47:25,051 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 18:47:25,051 INFO L276 IsEmpty]: Start isEmpty. Operand 7940 states and 9467 transitions. [2020-10-27 18:47:25,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 620 [2020-10-27 18:47:25,085 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 18:47:25,086 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:47:25,086 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 18:47:25,086 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 18:47:25,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 18:47:25,087 INFO L82 PathProgramCache]: Analyzing trace with hash 588175414, now seen corresponding path program 1 times [2020-10-27 18:47:25,087 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 18:47:25,088 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1153124197] [2020-10-27 18:47:25,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 18:47:25,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:47:25,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:47:25,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:47:25,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:47:25,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:47:26,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:47:28,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:47:28,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:47:30,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:47:30,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 639 [2020-10-27 18:47:30,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 18:47:30,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-27 18:47:30,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:47:30,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 18:47:30,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 298 [2020-10-27 18:47:30,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 266 [2020-10-27 18:47:30,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:47:30,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 18:47:30,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:47:30,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:47:30,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:47:30,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 18:47:30,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:47:30,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 18:47:30,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:47:30,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:47:30,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:47:30,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:47:30,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:47:30,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 18:47:30,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:47:30,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:47:30,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:47:30,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-27 18:47:30,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:47:30,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 18:47:30,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:47:30,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:47:30,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:47:30,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:47:30,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:47:30,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-27 18:47:30,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:47:30,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:47:30,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:47:30,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-27 18:47:30,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:47:30,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-27 18:47:30,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:47:30,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:47:30,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:47:30,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:47:30,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:47:30,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-10-27 18:47:30,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:47:30,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:47:30,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:47:30,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-27 18:47:30,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:47:30,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 104 [2020-10-27 18:47:30,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:47:30,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:47:30,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:47:30,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-10-27 18:47:30,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 18:47:30,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2020-10-27 18:47:30,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:47:30,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:47:31,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:47:31,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:47:34,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:47:34,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 298 [2020-10-27 18:47:34,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 18:47:34,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4048 [2020-10-27 18:47:34,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:47:34,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 18:47:34,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 18:47:34,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 298 [2020-10-27 18:47:34,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:47:36,268 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 43 [2020-10-27 18:47:36,582 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 76 [2020-10-27 18:47:37,003 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 80 [2020-10-27 18:47:37,354 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 83 [2020-10-27 18:47:37,714 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 83 [2020-10-27 18:47:38,077 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 88 [2020-10-27 18:47:38,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-10-27 18:47:38,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:47:38,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:47:38,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:47:38,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 18:47:38,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:47:38,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 18:47:38,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:47:38,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:47:38,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:47:38,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 18:47:38,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:47:43,796 INFO L134 CoverageAnalysis]: Checked inductivity of 669 backedges. 413 proven. 2 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2020-10-27 18:47:43,797 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1153124197] [2020-10-27 18:47:43,797 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 18:47:43,797 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-27 18:47:43,798 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650894643] [2020-10-27 18:47:43,799 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 18:47:43,799 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 18:47:43,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 18:47:43,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2020-10-27 18:47:43,800 INFO L87 Difference]: Start difference. First operand 7940 states and 9467 transitions. Second operand 13 states. [2020-10-27 18:47:44,049 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 72 [2020-10-27 18:47:45,027 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 95 [2020-10-27 18:47:45,626 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 104 [2020-10-27 18:47:46,544 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 99 [2020-10-27 18:47:47,565 WARN L193 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 124 [2020-10-27 18:47:48,095 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 103 [2020-10-27 18:47:48,561 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 102 [2020-10-27 18:47:49,042 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 114 [2020-10-27 18:47:49,911 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 69 [2020-10-27 18:47:50,354 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 87 [2020-10-27 18:47:52,481 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 90 [2020-10-27 18:47:54,296 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 94 [2020-10-27 18:47:55,550 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 98 [2020-10-27 18:47:56,136 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 97 [2020-10-27 18:47:56,673 WARN L193 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 101 [2020-10-27 18:47:57,504 WARN L193 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 101 [2020-10-27 18:47:59,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 18:47:59,150 INFO L93 Difference]: Finished difference Result 15914 states and 19064 transitions. [2020-10-27 18:47:59,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-27 18:47:59,151 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 619 [2020-10-27 18:47:59,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 18:47:59,189 INFO L225 Difference]: With dead ends: 15914 [2020-10-27 18:47:59,189 INFO L226 Difference]: Without dead ends: 8241 [2020-10-27 18:47:59,206 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 8.3s TimeCoverageRelationStatistics Valid=250, Invalid=620, Unknown=0, NotChecked=0, Total=870 [2020-10-27 18:47:59,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8241 states. [2020-10-27 18:47:59,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8241 to 8231. [2020-10-27 18:47:59,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8231 states. [2020-10-27 18:47:59,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8231 states to 8231 states and 9816 transitions. [2020-10-27 18:47:59,506 INFO L78 Accepts]: Start accepts. Automaton has 8231 states and 9816 transitions. Word has length 619 [2020-10-27 18:47:59,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 18:47:59,507 INFO L481 AbstractCegarLoop]: Abstraction has 8231 states and 9816 transitions. [2020-10-27 18:47:59,507 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 18:47:59,508 INFO L276 IsEmpty]: Start isEmpty. Operand 8231 states and 9816 transitions. [2020-10-27 18:47:59,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 704 [2020-10-27 18:47:59,530 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 18:47:59,531 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:47:59,531 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 18:47:59,531 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 18:47:59,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 18:47:59,532 INFO L82 PathProgramCache]: Analyzing trace with hash -919083546, now seen corresponding path program 1 times [2020-10-27 18:47:59,536 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 18:47:59,537 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1723007762] [2020-10-27 18:47:59,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 18:47:59,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:47:59,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:47:59,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:48:00,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:48:00,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:48:03,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:48:03,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:48:04,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:48:04,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 723 [2020-10-27 18:48:04,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 18:48:04,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-27 18:48:04,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:48:04,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:48:04,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 490 [2020-10-27 18:48:04,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-27 18:48:04,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:48:04,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 18:48:04,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:48:04,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:48:04,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:48:04,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 18:48:04,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:48:04,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 18:48:04,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:48:04,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:48:04,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:48:04,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:48:04,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:48:04,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 18:48:04,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:48:04,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:48:04,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:48:04,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-27 18:48:04,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:48:04,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 18:48:04,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:48:04,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:48:04,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:48:04,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:48:04,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:48:04,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-27 18:48:04,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:48:04,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:48:05,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:48:05,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-10-27 18:48:05,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:48:05,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-10-27 18:48:05,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:48:05,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:48:05,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:48:05,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:48:05,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:48:05,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2020-10-27 18:48:05,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:48:05,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:48:05,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:48:05,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-27 18:48:05,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:48:05,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-27 18:48:05,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:48:05,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:48:05,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:48:05,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 107 [2020-10-27 18:48:05,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:48:05,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2020-10-27 18:48:05,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:48:05,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:48:05,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:48:05,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-27 18:48:05,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:48:05,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-27 18:48:05,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:48:05,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:48:05,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 18:48:05,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-27 18:48:05,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:48:05,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 555 [2020-10-27 18:48:05,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:48:05,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:48:05,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:48:05,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-27 18:48:05,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:48:05,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-27 18:48:05,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:48:05,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:48:05,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 114 [2020-10-27 18:48:05,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:48:05,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:48:05,834 INFO L134 CoverageAnalysis]: Checked inductivity of 1057 backedges. 386 proven. 70 refuted. 0 times theorem prover too weak. 601 trivial. 0 not checked. [2020-10-27 18:48:05,835 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1723007762] [2020-10-27 18:48:05,835 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 18:48:05,835 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-27 18:48:05,835 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552295624] [2020-10-27 18:48:05,836 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 18:48:05,837 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 18:48:05,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 18:48:05,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-27 18:48:05,837 INFO L87 Difference]: Start difference. First operand 8231 states and 9816 transitions. Second operand 7 states. [2020-10-27 18:48:15,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 18:48:15,991 INFO L93 Difference]: Finished difference Result 16496 states and 19749 transitions. [2020-10-27 18:48:15,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 18:48:15,992 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 703 [2020-10-27 18:48:15,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 18:48:16,028 INFO L225 Difference]: With dead ends: 16496 [2020-10-27 18:48:16,028 INFO L226 Difference]: Without dead ends: 8608 [2020-10-27 18:48:16,047 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-10-27 18:48:16,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8608 states. [2020-10-27 18:48:16,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8608 to 8594. [2020-10-27 18:48:16,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8594 states. [2020-10-27 18:48:16,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8594 states to 8594 states and 10236 transitions. [2020-10-27 18:48:16,273 INFO L78 Accepts]: Start accepts. Automaton has 8594 states and 10236 transitions. Word has length 703 [2020-10-27 18:48:16,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 18:48:16,275 INFO L481 AbstractCegarLoop]: Abstraction has 8594 states and 10236 transitions. [2020-10-27 18:48:16,275 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 18:48:16,275 INFO L276 IsEmpty]: Start isEmpty. Operand 8594 states and 10236 transitions. [2020-10-27 18:48:16,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 805 [2020-10-27 18:48:16,300 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 18:48:16,301 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 18:48:16,301 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 18:48:16,301 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 18:48:16,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 18:48:16,302 INFO L82 PathProgramCache]: Analyzing trace with hash 215261144, now seen corresponding path program 1 times [2020-10-27 18:48:16,302 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 18:48:16,303 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [391126884] [2020-10-27 18:48:16,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 18:48:16,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:48:16,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:48:16,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:48:17,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:48:18,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:48:19,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:48:21,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:48:21,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 822 [2020-10-27 18:48:21,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 18:48:21,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5024 [2020-10-27 18:48:21,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:48:21,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:48:21,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 376 [2020-10-27 18:48:21,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 287 [2020-10-27 18:48:21,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:48:21,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 18:48:21,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:48:21,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:48:21,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:48:21,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 18:48:21,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:48:21,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 18:48:21,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:48:21,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:48:21,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:48:21,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:48:21,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:48:21,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 18:48:21,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:48:21,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:48:21,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:48:21,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-27 18:48:21,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:48:21,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 18:48:21,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:48:21,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:48:21,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:48:21,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:48:21,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:48:21,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-27 18:48:21,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:48:21,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:48:21,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:48:21,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-10-27 18:48:21,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:48:21,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 181 [2020-10-27 18:48:21,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:48:21,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:48:21,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:48:21,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 268 [2020-10-27 18:48:21,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:48:22,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2020-10-27 18:48:22,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:48:22,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:48:22,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:48:22,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 285 [2020-10-27 18:48:22,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:48:22,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 275 [2020-10-27 18:48:22,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:48:22,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:48:22,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 18:48:22,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 285 [2020-10-27 18:48:22,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:48:22,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 656 [2020-10-27 18:48:22,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:48:22,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:48:22,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:48:22,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-27 18:48:22,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:48:22,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-27 18:48:22,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:48:22,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:48:22,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 114 [2020-10-27 18:48:22,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:48:22,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:48:23,566 INFO L134 CoverageAnalysis]: Checked inductivity of 906 backedges. 499 proven. 115 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2020-10-27 18:48:23,567 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [391126884] [2020-10-27 18:48:23,567 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 18:48:23,567 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-27 18:48:23,567 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650187893] [2020-10-27 18:48:23,568 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 18:48:23,568 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 18:48:23,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 18:48:23,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-27 18:48:23,569 INFO L87 Difference]: Start difference. First operand 8594 states and 10236 transitions. Second operand 7 states. [2020-10-27 18:48:29,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 18:48:29,786 INFO L93 Difference]: Finished difference Result 18239 states and 21778 transitions. [2020-10-27 18:48:29,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 18:48:29,788 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 804 [2020-10-27 18:48:29,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 18:48:29,819 INFO L225 Difference]: With dead ends: 18239 [2020-10-27 18:48:29,820 INFO L226 Difference]: Without dead ends: 9988 [2020-10-27 18:48:29,839 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-27 18:48:29,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9988 states. [2020-10-27 18:48:30,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9988 to 9967. [2020-10-27 18:48:30,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9967 states. [2020-10-27 18:48:30,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9967 states to 9967 states and 11769 transitions. [2020-10-27 18:48:30,060 INFO L78 Accepts]: Start accepts. Automaton has 9967 states and 11769 transitions. Word has length 804 [2020-10-27 18:48:30,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 18:48:30,061 INFO L481 AbstractCegarLoop]: Abstraction has 9967 states and 11769 transitions. [2020-10-27 18:48:30,062 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 18:48:30,062 INFO L276 IsEmpty]: Start isEmpty. Operand 9967 states and 11769 transitions. [2020-10-27 18:48:30,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 833 [2020-10-27 18:48:30,087 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 18:48:30,088 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-27 18:48:30,088 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-27 18:48:30,088 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 18:48:30,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 18:48:30,089 INFO L82 PathProgramCache]: Analyzing trace with hash 86344204, now seen corresponding path program 1 times [2020-10-27 18:48:30,089 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 18:48:30,090 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1731200112] [2020-10-27 18:48:30,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 18:48:30,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:48:30,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:48:30,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:48:30,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:48:31,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:48:31,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:48:32,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:48:35,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:48:35,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 852 [2020-10-27 18:48:35,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 18:48:35,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-27 18:48:35,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:48:35,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:48:35,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 619 [2020-10-27 18:48:35,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-27 18:48:35,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:48:35,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 18:48:35,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:48:35,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:48:35,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:48:35,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 18:48:35,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:48:35,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 18:48:35,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:48:35,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:48:35,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:48:35,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:48:35,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:48:35,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 18:48:35,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:48:35,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:48:35,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:48:35,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-27 18:48:35,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:48:35,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-27 18:48:35,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:48:35,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:48:35,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:48:35,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:48:35,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:48:35,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-27 18:48:35,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:48:35,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:48:35,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:48:35,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-10-27 18:48:35,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:48:35,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-27 18:48:35,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:48:35,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:48:35,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:48:35,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:48:35,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:48:35,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2020-10-27 18:48:35,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:48:35,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:48:35,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:48:35,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 242 [2020-10-27 18:48:35,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:48:35,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 117 [2020-10-27 18:48:35,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:48:35,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:48:35,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:48:35,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 236 [2020-10-27 18:48:35,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:48:35,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 613 [2020-10-27 18:48:35,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:48:35,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:48:35,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:48:35,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-27 18:48:35,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:48:35,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-27 18:48:35,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:48:35,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:48:35,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 18:48:35,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-27 18:48:35,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:48:35,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 684 [2020-10-27 18:48:35,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:48:36,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:48:36,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:48:36,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-27 18:48:36,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:48:36,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-27 18:48:36,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:48:36,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:48:36,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 114 [2020-10-27 18:48:36,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:48:36,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:48:36,561 INFO L134 CoverageAnalysis]: Checked inductivity of 1190 backedges. 386 proven. 70 refuted. 0 times theorem prover too weak. 734 trivial. 0 not checked. [2020-10-27 18:48:36,561 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1731200112] [2020-10-27 18:48:36,561 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 18:48:36,562 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-27 18:48:36,562 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890261666] [2020-10-27 18:48:36,563 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 18:48:36,563 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 18:48:36,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 18:48:36,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-27 18:48:36,564 INFO L87 Difference]: Start difference. First operand 9967 states and 11769 transitions. Second operand 7 states. [2020-10-27 18:48:43,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 18:48:43,577 INFO L93 Difference]: Finished difference Result 20623 states and 24348 transitions. [2020-10-27 18:48:43,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 18:48:43,579 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 832 [2020-10-27 18:48:43,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 18:48:43,610 INFO L225 Difference]: With dead ends: 20623 [2020-10-27 18:48:43,611 INFO L226 Difference]: Without dead ends: 10999 [2020-10-27 18:48:43,628 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2020-10-27 18:48:43,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10999 states. [2020-10-27 18:48:43,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10999 to 9969. [2020-10-27 18:48:43,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9969 states. [2020-10-27 18:48:43,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9969 states to 9969 states and 11754 transitions. [2020-10-27 18:48:43,865 INFO L78 Accepts]: Start accepts. Automaton has 9969 states and 11754 transitions. Word has length 832 [2020-10-27 18:48:43,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 18:48:43,866 INFO L481 AbstractCegarLoop]: Abstraction has 9969 states and 11754 transitions. [2020-10-27 18:48:43,866 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 18:48:43,866 INFO L276 IsEmpty]: Start isEmpty. Operand 9969 states and 11754 transitions. [2020-10-27 18:48:43,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 916 [2020-10-27 18:48:43,894 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 18:48:43,895 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 18:48:43,895 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-27 18:48:43,895 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 18:48:43,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 18:48:43,896 INFO L82 PathProgramCache]: Analyzing trace with hash -402617554, now seen corresponding path program 1 times [2020-10-27 18:48:43,896 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 18:48:43,896 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1836593711] [2020-10-27 18:48:43,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 18:48:43,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:48:44,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:48:44,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:48:44,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:48:46,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:48:46,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:48:49,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:48:49,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 937 [2020-10-27 18:48:49,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 18:48:49,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5056 [2020-10-27 18:48:49,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:48:49,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 18:48:49,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 186 [2020-10-27 18:48:49,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 303 [2020-10-27 18:48:49,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:48:49,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 18:48:49,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:48:49,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:48:49,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:48:49,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 18:48:49,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:48:49,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 18:48:49,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:48:49,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:48:49,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:48:49,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:48:49,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:48:49,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 18:48:49,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:48:49,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:48:49,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:48:49,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-27 18:48:49,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:48:49,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-27 18:48:49,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:48:49,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:48:49,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:48:49,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:48:49,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:48:49,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-27 18:48:49,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:48:49,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:48:49,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:48:49,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-27 18:48:49,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:48:49,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-27 18:48:49,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:48:49,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:48:49,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:48:49,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-27 18:48:49,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:48:49,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-10-27 18:48:49,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:48:49,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:48:50,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:48:50,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:48:50,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 304 [2020-10-27 18:48:50,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 18:48:50,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1093 [2020-10-27 18:48:50,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:48:50,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 18:48:50,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 18:48:50,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 304 [2020-10-27 18:48:50,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:48:50,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-10-27 18:48:50,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:48:50,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:48:50,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:48:50,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 18:48:50,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:48:50,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 18:48:50,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:48:50,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 18:48:50,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 18:48:50,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 18:48:50,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:48:50,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2020-10-27 18:48:50,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:48:50,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:48:50,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:48:50,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 285 [2020-10-27 18:48:50,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:48:50,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-10-27 18:48:50,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:48:50,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:48:50,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 282 [2020-10-27 18:48:50,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:48:50,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:48:51,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 767 [2020-10-27 18:48:51,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:48:51,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:48:51,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:48:51,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-27 18:48:51,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:48:51,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-27 18:48:51,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:48:51,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:48:51,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 114 [2020-10-27 18:48:51,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:48:51,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:48:51,650 INFO L134 CoverageAnalysis]: Checked inductivity of 1281 backedges. 349 proven. 396 refuted. 0 times theorem prover too weak. 536 trivial. 0 not checked. [2020-10-27 18:48:51,650 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1836593711] [2020-10-27 18:48:51,650 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 18:48:51,650 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-27 18:48:51,650 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157330898] [2020-10-27 18:48:51,651 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 18:48:51,651 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 18:48:51,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 18:48:51,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-27 18:48:51,652 INFO L87 Difference]: Start difference. First operand 9969 states and 11754 transitions. Second operand 7 states. [2020-10-27 18:48:57,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 18:48:57,693 INFO L93 Difference]: Finished difference Result 19966 states and 23680 transitions. [2020-10-27 18:48:57,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 18:48:57,695 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 915 [2020-10-27 18:48:57,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 18:48:57,728 INFO L225 Difference]: With dead ends: 19966 [2020-10-27 18:48:57,728 INFO L226 Difference]: Without dead ends: 10340 [2020-10-27 18:48:57,749 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-10-27 18:48:57,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10340 states. [2020-10-27 18:48:57,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10340 to 10310. [2020-10-27 18:48:57,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10310 states. [2020-10-27 18:48:57,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10310 states to 10310 states and 12109 transitions. [2020-10-27 18:48:57,967 INFO L78 Accepts]: Start accepts. Automaton has 10310 states and 12109 transitions. Word has length 915 [2020-10-27 18:48:57,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 18:48:57,968 INFO L481 AbstractCegarLoop]: Abstraction has 10310 states and 12109 transitions. [2020-10-27 18:48:57,968 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 18:48:57,968 INFO L276 IsEmpty]: Start isEmpty. Operand 10310 states and 12109 transitions. [2020-10-27 18:48:57,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 965 [2020-10-27 18:48:57,995 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 18:48:57,996 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:48:57,996 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-27 18:48:57,996 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 18:48:57,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 18:48:57,997 INFO L82 PathProgramCache]: Analyzing trace with hash 606373516, now seen corresponding path program 1 times [2020-10-27 18:48:57,997 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 18:48:57,997 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1190861011] [2020-10-27 18:48:57,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 18:48:58,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:48:58,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:48:58,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:48:58,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:48:59,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:49:00,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:49:03,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:49:03,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 984 [2020-10-27 18:49:03,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 18:49:03,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5057 [2020-10-27 18:49:03,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:49:03,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:49:03,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 101 [2020-10-27 18:49:03,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-27 18:49:03,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:49:03,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 18:49:03,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:49:03,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:49:03,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:49:03,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 18:49:03,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:49:03,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 18:49:03,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:49:03,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:49:03,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:49:03,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:49:03,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:49:03,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 18:49:03,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:49:03,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:49:03,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:49:03,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-27 18:49:03,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:49:03,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-27 18:49:03,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:49:03,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:49:03,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:49:03,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-27 18:49:03,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:49:03,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-27 18:49:03,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:49:03,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:49:03,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:49:03,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:49:03,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-10-27 18:49:03,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 18:49:03,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 328 [2020-10-27 18:49:03,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:49:03,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:49:03,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 18:49:03,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 274 [2020-10-27 18:49:03,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:49:04,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2020-10-27 18:49:04,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:49:04,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:49:04,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:49:04,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 266 [2020-10-27 18:49:04,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:49:04,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-10-27 18:49:04,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:49:04,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:49:04,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 263 [2020-10-27 18:49:04,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:49:04,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:49:04,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2020-10-27 18:49:04,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:49:04,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:49:04,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:49:04,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 298 [2020-10-27 18:49:04,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:49:04,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 122 [2020-10-27 18:49:04,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:49:04,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:49:04,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 295 [2020-10-27 18:49:04,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:49:04,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:49:04,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-10-27 18:49:04,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:49:04,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:49:04,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:49:04,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 18:49:04,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:49:04,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 18:49:04,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:49:04,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:49:04,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:49:04,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:49:04,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:49:06,341 INFO L134 CoverageAnalysis]: Checked inductivity of 1204 backedges. 224 proven. 534 refuted. 0 times theorem prover too weak. 446 trivial. 0 not checked. [2020-10-27 18:49:06,341 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1190861011] [2020-10-27 18:49:06,341 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 18:49:06,341 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-27 18:49:06,342 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017210828] [2020-10-27 18:49:06,343 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 18:49:06,343 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 18:49:06,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 18:49:06,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-27 18:49:06,344 INFO L87 Difference]: Start difference. First operand 10310 states and 12109 transitions. Second operand 6 states. [2020-10-27 18:49:10,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 18:49:10,999 INFO L93 Difference]: Finished difference Result 20426 states and 24080 transitions. [2020-10-27 18:49:11,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 18:49:11,000 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 964 [2020-10-27 18:49:11,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 18:49:11,035 INFO L225 Difference]: With dead ends: 20426 [2020-10-27 18:49:11,035 INFO L226 Difference]: Without dead ends: 10261 [2020-10-27 18:49:11,051 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-10-27 18:49:11,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10261 states. [2020-10-27 18:49:11,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10261 to 10197. [2020-10-27 18:49:11,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10197 states. [2020-10-27 18:49:11,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10197 states to 10197 states and 11613 transitions. [2020-10-27 18:49:11,268 INFO L78 Accepts]: Start accepts. Automaton has 10197 states and 11613 transitions. Word has length 964 [2020-10-27 18:49:11,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 18:49:11,269 INFO L481 AbstractCegarLoop]: Abstraction has 10197 states and 11613 transitions. [2020-10-27 18:49:11,269 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 18:49:11,269 INFO L276 IsEmpty]: Start isEmpty. Operand 10197 states and 11613 transitions. [2020-10-27 18:49:11,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1040 [2020-10-27 18:49:11,297 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 18:49:11,298 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:49:11,298 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-27 18:49:11,298 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 18:49:11,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 18:49:11,299 INFO L82 PathProgramCache]: Analyzing trace with hash -878875226, now seen corresponding path program 1 times [2020-10-27 18:49:11,299 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 18:49:11,299 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1017382202] [2020-10-27 18:49:11,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 18:49:11,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:49:11,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:49:11,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:49:11,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:49:14,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:49:14,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:49:16,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:49:16,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:49:16,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1059 [2020-10-27 18:49:16,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 18:49:16,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-27 18:49:16,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:49:16,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:49:16,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 176 [2020-10-27 18:49:16,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-27 18:49:16,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:49:16,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 18:49:16,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:49:16,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:49:16,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:49:16,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 18:49:16,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:49:16,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 18:49:16,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:49:16,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:49:16,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:49:16,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:49:16,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:49:16,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 18:49:16,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:49:16,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:49:16,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:49:16,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 167 [2020-10-27 18:49:16,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:49:16,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-27 18:49:16,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:49:16,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:49:16,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:49:16,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 161 [2020-10-27 18:49:16,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:49:16,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-10-27 18:49:16,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:49:16,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:49:16,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:49:17,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:49:17,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-10-27 18:49:17,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 18:49:17,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 428 [2020-10-27 18:49:17,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:49:17,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:49:17,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 18:49:17,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 274 [2020-10-27 18:49:17,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:49:17,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2020-10-27 18:49:17,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:49:17,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:49:17,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:49:17,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 266 [2020-10-27 18:49:17,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:49:17,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-10-27 18:49:17,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:49:17,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:49:17,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 263 [2020-10-27 18:49:17,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:49:17,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:49:17,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 712 [2020-10-27 18:49:18,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:49:18,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:49:18,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:49:18,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 298 [2020-10-27 18:49:18,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:49:18,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-10-27 18:49:18,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:49:18,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:49:18,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 295 [2020-10-27 18:49:18,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:49:18,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:49:18,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-10-27 18:49:18,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:49:18,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:49:18,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:49:18,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 18:49:18,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:49:18,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 18:49:18,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:49:18,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:49:18,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:49:18,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:49:18,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:49:19,747 INFO L134 CoverageAnalysis]: Checked inductivity of 1429 backedges. 299 proven. 534 refuted. 0 times theorem prover too weak. 596 trivial. 0 not checked. [2020-10-27 18:49:19,747 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1017382202] [2020-10-27 18:49:19,747 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 18:49:19,748 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-27 18:49:19,748 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869548615] [2020-10-27 18:49:19,749 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 18:49:19,749 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 18:49:19,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 18:49:19,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-27 18:49:19,750 INFO L87 Difference]: Start difference. First operand 10197 states and 11613 transitions. Second operand 6 states. [2020-10-27 18:49:23,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 18:49:23,916 INFO L93 Difference]: Finished difference Result 20190 states and 23043 transitions. [2020-10-27 18:49:23,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 18:49:23,918 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 1039 [2020-10-27 18:49:23,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 18:49:23,949 INFO L225 Difference]: With dead ends: 20190 [2020-10-27 18:49:23,950 INFO L226 Difference]: Without dead ends: 10236 [2020-10-27 18:49:23,966 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-10-27 18:49:23,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10236 states. [2020-10-27 18:49:24,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10236 to 10176. [2020-10-27 18:49:24,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10176 states. [2020-10-27 18:49:24,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10176 states to 10176 states and 11168 transitions. [2020-10-27 18:49:24,180 INFO L78 Accepts]: Start accepts. Automaton has 10176 states and 11168 transitions. Word has length 1039 [2020-10-27 18:49:24,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 18:49:24,181 INFO L481 AbstractCegarLoop]: Abstraction has 10176 states and 11168 transitions. [2020-10-27 18:49:24,181 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 18:49:24,181 INFO L276 IsEmpty]: Start isEmpty. Operand 10176 states and 11168 transitions. [2020-10-27 18:49:24,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1086 [2020-10-27 18:49:24,213 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 18:49:24,215 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-27 18:49:24,215 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-27 18:49:24,216 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 18:49:24,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 18:49:24,216 INFO L82 PathProgramCache]: Analyzing trace with hash -1109747502, now seen corresponding path program 1 times [2020-10-27 18:49:24,217 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 18:49:24,217 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [240095925] [2020-10-27 18:49:24,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 18:49:24,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:49:24,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:49:24,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:49:24,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:49:26,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:49:29,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:49:29,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1109 [2020-10-27 18:49:29,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 18:49:29,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5065 [2020-10-27 18:49:29,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:49:29,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 18:49:29,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 358 [2020-10-27 18:49:29,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 303 [2020-10-27 18:49:29,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:49:29,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 18:49:29,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:49:29,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:49:29,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:49:29,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 18:49:29,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:49:29,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 18:49:29,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:49:29,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:49:29,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:49:29,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:49:29,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:49:29,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 18:49:29,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:49:29,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:49:29,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:49:29,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 101 [2020-10-27 18:49:29,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:49:29,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-27 18:49:29,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:49:29,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:49:29,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:49:29,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:49:29,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:49:29,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-27 18:49:29,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:49:29,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:49:29,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:49:29,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-27 18:49:29,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:49:29,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-27 18:49:29,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:49:29,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:49:29,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:49:29,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:49:29,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:49:29,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2020-10-27 18:49:29,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:49:29,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:49:29,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:49:29,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-27 18:49:29,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:49:29,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-27 18:49:29,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:49:29,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:49:29,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:49:29,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-27 18:49:29,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:49:29,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2020-10-27 18:49:30,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:49:30,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:49:30,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:49:30,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 304 [2020-10-27 18:49:30,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:49:30,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 391 [2020-10-27 18:49:30,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:49:30,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 18:49:30,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 18:49:30,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 304 [2020-10-27 18:49:30,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:49:30,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-10-27 18:49:30,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:49:30,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:49:30,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:49:30,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 18:49:30,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:49:30,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 18:49:30,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:49:30,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 18:49:30,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 18:49:30,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 18:49:30,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:49:30,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 653 [2020-10-27 18:49:30,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:49:30,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:49:30,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:49:30,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 285 [2020-10-27 18:49:30,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:49:30,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 123 [2020-10-27 18:49:30,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:49:30,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:49:30,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 282 [2020-10-27 18:49:30,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:49:30,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:49:31,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 937 [2020-10-27 18:49:31,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:49:31,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:49:31,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:49:31,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-27 18:49:31,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:49:31,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-27 18:49:31,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:49:31,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:49:31,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 114 [2020-10-27 18:49:31,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:49:31,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:49:32,400 INFO L134 CoverageAnalysis]: Checked inductivity of 2042 backedges. 561 proven. 396 refuted. 0 times theorem prover too weak. 1085 trivial. 0 not checked. [2020-10-27 18:49:32,401 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [240095925] [2020-10-27 18:49:32,401 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 18:49:32,401 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-27 18:49:32,401 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898282683] [2020-10-27 18:49:32,402 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 18:49:32,402 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 18:49:32,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 18:49:32,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-27 18:49:32,403 INFO L87 Difference]: Start difference. First operand 10176 states and 11168 transitions. Second operand 9 states. [2020-10-27 18:49:39,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 18:49:39,465 INFO L93 Difference]: Finished difference Result 22755 states and 25335 transitions. [2020-10-27 18:49:39,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-27 18:49:39,467 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1085 [2020-10-27 18:49:39,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 18:49:39,468 INFO L225 Difference]: With dead ends: 22755 [2020-10-27 18:49:39,468 INFO L226 Difference]: Without dead ends: 0 [2020-10-27 18:49:39,492 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2020-10-27 18:49:39,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-27 18:49:39,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-27 18:49:39,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-27 18:49:39,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-27 18:49:39,493 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1085 [2020-10-27 18:49:39,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 18:49:39,493 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-27 18:49:39,494 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 18:49:39,494 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-27 18:49:39,494 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-27 18:49:39,494 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-27 18:49:39,496 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-27 18:49:40,977 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 206 [2020-10-27 18:49:42,254 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 228 [2020-10-27 18:49:43,237 WARN L193 SmtUtils]: Spent 700.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 24 [2020-10-27 18:49:43,974 WARN L193 SmtUtils]: Spent 724.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 36 [2020-10-27 18:49:44,493 WARN L193 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 22 [2020-10-27 18:49:46,237 WARN L193 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 333 DAG size of output: 88 [2020-10-27 18:49:46,713 WARN L193 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 22 [2020-10-27 18:49:46,943 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 10 [2020-10-27 18:49:46,948 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 5) no Hoare annotation was computed. [2020-10-27 18:49:46,949 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 5) the Hoare annotation is: true [2020-10-27 18:49:46,949 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 5) no Hoare annotation was computed. [2020-10-27 18:49:46,949 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2020-10-27 18:49:46,949 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-27 18:49:46,949 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~inputA~0 |old(~inputA~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~a18~0 |old(~a18~0)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= ~a12~0 |old(~a12~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a15~0 |old(~a15~0)|) (= |old(#valid)| |#valid|) (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= |#t~string8.base| |old(#t~string8.base)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a16~0 |old(~a16~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~inputB~0 |old(~inputB~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string7.base| |old(#t~string7.base)|)) [2020-10-27 18:49:46,950 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-27 18:49:46,950 INFO L274 CegarLoopResult]: For program point L1505(lines 1505 1765) no Hoare annotation was computed. [2020-10-27 18:49:46,950 INFO L274 CegarLoopResult]: For program point L1695(lines 1695 1765) no Hoare annotation was computed. [2020-10-27 18:49:46,950 INFO L274 CegarLoopResult]: For program point calculate_output2EXIT(lines 1496 1767) no Hoare annotation was computed. [2020-10-27 18:49:46,950 INFO L274 CegarLoopResult]: For program point L1555(lines 1555 1765) no Hoare annotation was computed. [2020-10-27 18:49:46,950 INFO L274 CegarLoopResult]: For program point L1671(lines 1671 1765) no Hoare annotation was computed. [2020-10-27 18:49:46,951 INFO L274 CegarLoopResult]: For program point L1605(lines 1605 1765) no Hoare annotation was computed. [2020-10-27 18:49:46,951 INFO L274 CegarLoopResult]: For program point L1729(lines 1729 1765) no Hoare annotation was computed. [2020-10-27 18:49:46,951 INFO L274 CegarLoopResult]: For program point L1630(lines 1630 1765) no Hoare annotation was computed. [2020-10-27 18:49:46,951 INFO L274 CegarLoopResult]: For program point L1754(lines 1754 1765) no Hoare annotation was computed. [2020-10-27 18:49:46,951 INFO L274 CegarLoopResult]: For program point L1523(lines 1523 1765) no Hoare annotation was computed. [2020-10-27 18:49:46,951 INFO L274 CegarLoopResult]: For program point L1647(lines 1647 1765) no Hoare annotation was computed. [2020-10-27 18:49:46,951 INFO L274 CegarLoopResult]: For program point L1581(lines 1581 1765) no Hoare annotation was computed. [2020-10-27 18:49:46,952 INFO L274 CegarLoopResult]: For program point L1548(lines 1548 1765) no Hoare annotation was computed. [2020-10-27 18:49:46,952 INFO L274 CegarLoopResult]: For program point L1499(lines 1499 1765) no Hoare annotation was computed. [2020-10-27 18:49:46,952 INFO L274 CegarLoopResult]: For program point L1689(lines 1689 1765) no Hoare annotation was computed. [2020-10-27 18:49:46,952 INFO L274 CegarLoopResult]: For program point L1706(lines 1706 1765) no Hoare annotation was computed. [2020-10-27 18:49:46,952 INFO L274 CegarLoopResult]: For program point L1640(lines 1640 1765) no Hoare annotation was computed. [2020-10-27 18:49:46,952 INFO L274 CegarLoopResult]: For program point L1665(lines 1665 1765) no Hoare annotation was computed. [2020-10-27 18:49:46,952 INFO L274 CegarLoopResult]: For program point L1599(lines 1599 1765) no Hoare annotation was computed. [2020-10-27 18:49:46,952 INFO L274 CegarLoopResult]: For program point L1723(lines 1723 1765) no Hoare annotation was computed. [2020-10-27 18:49:46,952 INFO L274 CegarLoopResult]: For program point L1624(lines 1624 1765) no Hoare annotation was computed. [2020-10-27 18:49:46,952 INFO L274 CegarLoopResult]: For program point L1748(lines 1748 1765) no Hoare annotation was computed. [2020-10-27 18:49:46,953 INFO L274 CegarLoopResult]: For program point L1517(lines 1517 1765) no Hoare annotation was computed. [2020-10-27 18:49:46,953 INFO L274 CegarLoopResult]: For program point L1575(lines 1575 1765) no Hoare annotation was computed. [2020-10-27 18:49:46,953 INFO L274 CegarLoopResult]: For program point L1542(lines 1542 1765) no Hoare annotation was computed. [2020-10-27 18:49:46,953 INFO L274 CegarLoopResult]: For program point L1658(lines 1658 1765) no Hoare annotation was computed. [2020-10-27 18:49:46,953 INFO L274 CegarLoopResult]: For program point L1741(lines 1741 1765) no Hoare annotation was computed. [2020-10-27 18:49:46,953 INFO L274 CegarLoopResult]: For program point L1568(lines 1568 1765) no Hoare annotation was computed. [2020-10-27 18:49:46,953 INFO L270 CegarLoopResult]: At program point calculate_output2ENTRY(lines 1496 1767) the Hoare annotation is: (let ((.cse1 (and (= 3 |old(~a15~0)|) (= 5 |old(~a12~0)|) (not (<= 0 (+ |old(~a18~0)| 155))) (= 8 |old(~a16~0)|))) (.cse0 (and (= ~a18~0 |old(~a18~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a15~0 |old(~a15~0)|)))) (and (or .cse0 (= 9 |old(~a12~0)|) .cse1) (or (not (<= |old(~a16~0)| 9)) .cse0 .cse1) (or .cse0 (not (<= 11 |old(~a16~0)|))))) [2020-10-27 18:49:46,953 INFO L274 CegarLoopResult]: For program point L1593(lines 1593 1765) no Hoare annotation was computed. [2020-10-27 18:49:46,953 INFO L274 CegarLoopResult]: For program point L1717(lines 1717 1765) no Hoare annotation was computed. [2020-10-27 18:49:46,954 INFO L274 CegarLoopResult]: For program point L1684(lines 1684 1765) no Hoare annotation was computed. [2020-10-27 18:49:46,954 INFO L274 CegarLoopResult]: For program point L1618(lines 1618 1765) no Hoare annotation was computed. [2020-10-27 18:49:46,954 INFO L274 CegarLoopResult]: For program point L1701(lines 1701 1765) no Hoare annotation was computed. [2020-10-27 18:49:46,954 INFO L274 CegarLoopResult]: For program point L1635(lines 1635 1765) no Hoare annotation was computed. [2020-10-27 18:49:46,954 INFO L274 CegarLoopResult]: For program point L1536(lines 1536 1765) no Hoare annotation was computed. [2020-10-27 18:49:46,954 INFO L274 CegarLoopResult]: For program point L1759(lines 1759 1765) no Hoare annotation was computed. [2020-10-27 18:49:46,954 INFO L274 CegarLoopResult]: For program point L1561(lines 1561 1765) no Hoare annotation was computed. [2020-10-27 18:49:46,954 INFO L274 CegarLoopResult]: For program point L1677(lines 1677 1765) no Hoare annotation was computed. [2020-10-27 18:49:46,954 INFO L274 CegarLoopResult]: For program point calculate_output2FINAL(lines 1496 1767) no Hoare annotation was computed. [2020-10-27 18:49:46,954 INFO L274 CegarLoopResult]: For program point L1611(lines 1611 1765) no Hoare annotation was computed. [2020-10-27 18:49:46,954 INFO L274 CegarLoopResult]: For program point L1512(lines 1512 1765) no Hoare annotation was computed. [2020-10-27 18:49:46,955 INFO L274 CegarLoopResult]: For program point L1735(lines 1735 1765) no Hoare annotation was computed. [2020-10-27 18:49:46,955 INFO L274 CegarLoopResult]: For program point L1529(lines 1529 1765) no Hoare annotation was computed. [2020-10-27 18:49:46,955 INFO L274 CegarLoopResult]: For program point L1653(lines 1653 1765) no Hoare annotation was computed. [2020-10-27 18:49:46,955 INFO L274 CegarLoopResult]: For program point L1587(lines 1587 1765) no Hoare annotation was computed. [2020-10-27 18:49:46,955 INFO L274 CegarLoopResult]: For program point L1711(lines 1711 1765) no Hoare annotation was computed. [2020-10-27 18:49:46,955 INFO L274 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-27 18:49:46,955 INFO L274 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-27 18:49:46,955 INFO L274 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-27 18:49:46,955 INFO L274 CegarLoopResult]: For program point L1027(lines 1027 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,955 INFO L274 CegarLoopResult]: For program point L1424(lines 1424 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,955 INFO L274 CegarLoopResult]: For program point L1094(lines 1094 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,956 INFO L274 CegarLoopResult]: For program point L896(lines 896 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,956 INFO L274 CegarLoopResult]: For program point L830(lines 830 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,956 INFO L274 CegarLoopResult]: For program point L698(lines 698 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,956 INFO L274 CegarLoopResult]: For program point L1293(lines 1293 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,956 INFO L274 CegarLoopResult]: For program point L170-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:49:46,956 INFO L274 CegarLoopResult]: For program point L104-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:49:46,956 INFO L274 CegarLoopResult]: For program point L38-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:49:46,956 INFO L274 CegarLoopResult]: For program point L963(lines 963 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,956 INFO L274 CegarLoopResult]: For program point L765(lines 765 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,956 INFO L274 CegarLoopResult]: For program point L633(lines 633 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,957 INFO L274 CegarLoopResult]: For program point L369(lines 369 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,957 INFO L274 CegarLoopResult]: For program point L1360(lines 1360 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,957 INFO L274 CegarLoopResult]: For program point L237(lines 237 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,957 INFO L274 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-27 18:49:46,957 INFO L274 CegarLoopResult]: For program point L1162(lines 1162 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,957 INFO L274 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-27 18:49:46,957 INFO L274 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-27 18:49:46,958 INFO L270 CegarLoopResult]: At program point L1493(line 1493) the Hoare annotation is: (let ((.cse7 (<= calculate_output_~input 1))) (let ((.cse1 (not (<= |old(~a16~0)| 9))) (.cse0 (and (<= |old(~a18~0)| ~a18~0) (= ~a16~0 |old(~a16~0)|) (or (<= calculate_output_~input |calculate_output_#in~input|) .cse7) (= ~a12~0 |old(~a12~0)|) (or (< 5 calculate_output_~input) (<= |calculate_output_#in~input| calculate_output_~input)) (<= ~a18~0 |old(~a18~0)|) (= ~a15~0 |old(~a15~0)|)))) (and (or (not (<= 11 |old(~a16~0)|)) .cse0) (or .cse1 (let ((.cse2 (<= 0 (+ |old(~a18~0)| 78))) (.cse3 (<= (+ |old(~a18~0)| 156) 0)) (.cse4 (not (= ~a16~0 9))) (.cse5 (not (= 5 ~a12~0))) (.cse6 (not (= ~a15~0 4)))) (and (or (<= |old(~a12~0)| 4) (<= 6 |old(~a12~0)|) (<= |old(~a16~0)| 8) .cse2 (<= 6 |calculate_output_#in~input|) .cse3 (<= |old(~a15~0)| 3) (<= 5 |old(~a15~0)|) (<= |calculate_output_#in~input| 2)) (or (<= calculate_output_~input 5) .cse2 (< 6 calculate_output_~input) .cse4 .cse3 .cse5 .cse6) (or (and (or (< 2 calculate_output_~input) .cse7) (or (<= calculate_output_~input 0) (< 1 calculate_output_~input))) .cse4 .cse5 (<= (+ ~a18~0 156) 0) .cse6 (< 0 (+ ~a18~0 79)))))) (or (= 9 |old(~a12~0)|) .cse0) (or .cse1 .cse0) (or (not (= 5 |old(~a12~0)|)) (not (= 3 |old(~a15~0)|)) (not (= 8 |old(~a16~0)|)) (<= 0 (+ |old(~a18~0)| 155)))))) [2020-10-27 18:49:46,958 INFO L274 CegarLoopResult]: For program point L436(lines 436 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,958 INFO L274 CegarLoopResult]: For program point L1493-1(line 1493) no Hoare annotation was computed. [2020-10-27 18:49:46,958 INFO L274 CegarLoopResult]: For program point L1229(lines 1229 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,958 INFO L274 CegarLoopResult]: For program point L569(lines 569 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,958 INFO L274 CegarLoopResult]: For program point L503(lines 503 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,958 INFO L274 CegarLoopResult]: For program point L305(lines 305 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,958 INFO L274 CegarLoopResult]: For program point L173-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:49:46,958 INFO L274 CegarLoopResult]: For program point L107-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:49:46,958 INFO L274 CegarLoopResult]: For program point L41-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:49:46,958 INFO L274 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-27 18:49:46,959 INFO L270 CegarLoopResult]: At program point L108(line 108) the Hoare annotation is: (and (not (<= |old(~a16~0)| 9)) (not (<= 11 |old(~a16~0)|)) (= 9 |old(~a12~0)|)) [2020-10-27 18:49:46,959 INFO L274 CegarLoopResult]: For program point L108-1(line 108) no Hoare annotation was computed. [2020-10-27 18:49:46,959 INFO L274 CegarLoopResult]: For program point L1099(lines 1099 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,959 INFO L274 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-27 18:49:46,959 INFO L274 CegarLoopResult]: For program point L1033(lines 1033 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,959 INFO L274 CegarLoopResult]: For program point L901(lines 901 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,959 INFO L274 CegarLoopResult]: For program point L1430(lines 1430 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,959 INFO L274 CegarLoopResult]: For program point L836(lines 836 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,959 INFO L274 CegarLoopResult]: For program point L638(lines 638 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,959 INFO L274 CegarLoopResult]: For program point L1299(lines 1299 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,959 INFO L274 CegarLoopResult]: For program point L242(lines 242 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,959 INFO L274 CegarLoopResult]: For program point L176-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:49:46,960 INFO L274 CegarLoopResult]: For program point L110-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:49:46,960 INFO L274 CegarLoopResult]: For program point L44-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:49:46,960 INFO L274 CegarLoopResult]: For program point L969(lines 969 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,960 INFO L274 CegarLoopResult]: For program point L771(lines 771 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,960 INFO L274 CegarLoopResult]: For program point L705(lines 705 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,960 INFO L274 CegarLoopResult]: For program point L375(lines 375 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,960 INFO L274 CegarLoopResult]: For program point L1366(lines 1366 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,960 INFO L274 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-27 18:49:46,960 INFO L274 CegarLoopResult]: For program point L1168(lines 1168 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,960 INFO L274 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-27 18:49:46,960 INFO L274 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-27 18:49:46,960 INFO L274 CegarLoopResult]: For program point L442(lines 442 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,961 INFO L274 CegarLoopResult]: For program point L575(lines 575 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,961 INFO L274 CegarLoopResult]: For program point L311(lines 311 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,961 INFO L274 CegarLoopResult]: For program point L1236(lines 1236 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,961 INFO L274 CegarLoopResult]: For program point L179-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:49:46,961 INFO L274 CegarLoopResult]: For program point L113-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:49:46,961 INFO L274 CegarLoopResult]: For program point L47-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:49:46,961 INFO L274 CegarLoopResult]: For program point L1038(lines 1038 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,961 INFO L274 CegarLoopResult]: For program point L708(lines 708 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,961 INFO L274 CegarLoopResult]: For program point L510(lines 510 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,961 INFO L274 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-27 18:49:46,961 INFO L274 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-27 18:49:46,961 INFO L274 CegarLoopResult]: For program point L1105(lines 1105 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,962 INFO L274 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-27 18:49:46,962 INFO L274 CegarLoopResult]: For program point L907(lines 907 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,962 INFO L274 CegarLoopResult]: For program point L643(lines 643 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,962 INFO L274 CegarLoopResult]: For program point L445(lines 445 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,962 INFO L274 CegarLoopResult]: For program point L1436(lines 1436 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,962 INFO L274 CegarLoopResult]: For program point L842(lines 842 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,962 INFO L274 CegarLoopResult]: For program point L1305(lines 1305 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,962 INFO L274 CegarLoopResult]: For program point L248(lines 248 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,962 INFO L274 CegarLoopResult]: For program point L182-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:49:46,962 INFO L274 CegarLoopResult]: For program point L116-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:49:46,962 INFO L274 CegarLoopResult]: For program point L50-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:49:46,962 INFO L274 CegarLoopResult]: For program point L777(lines 777 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,962 INFO L274 CegarLoopResult]: For program point L1372(lines 1372 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,963 INFO L274 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-27 18:49:46,963 INFO L274 CegarLoopResult]: For program point L1174(lines 1174 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,963 INFO L274 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-27 18:49:46,963 INFO L274 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-27 18:49:46,963 INFO L274 CegarLoopResult]: For program point L976(lines 976 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,963 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:49:46,963 INFO L274 CegarLoopResult]: For program point L580(lines 580 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,963 INFO L274 CegarLoopResult]: For program point L382(lines 382 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,963 INFO L274 CegarLoopResult]: For program point L317(lines 317 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,963 INFO L274 CegarLoopResult]: For program point L185-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:49:46,963 INFO L274 CegarLoopResult]: For program point L119-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:49:46,963 INFO L274 CegarLoopResult]: For program point L53-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:49:46,964 INFO L274 CegarLoopResult]: For program point L1044(lines 1044 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,964 INFO L274 CegarLoopResult]: For program point L780(lines 780 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,964 INFO L274 CegarLoopResult]: For program point L714(lines 714 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,964 INFO L274 CegarLoopResult]: For program point L1243(lines 1243 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,964 INFO L274 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-27 18:49:46,964 INFO L274 CegarLoopResult]: For program point L1177(lines 1177 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,964 INFO L274 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-27 18:49:46,964 INFO L274 CegarLoopResult]: For program point L1111(lines 1111 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,964 INFO L274 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-27 18:49:46,964 INFO L274 CegarLoopResult]: For program point L517(lines 517 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,964 INFO L274 CegarLoopResult]: For program point L451(lines 451 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,965 INFO L274 CegarLoopResult]: For program point L1442(lines 1442 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,965 INFO L274 CegarLoopResult]: For program point L914(lines 914 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,965 INFO L274 CegarLoopResult]: For program point L848(lines 848 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,965 INFO L274 CegarLoopResult]: For program point L650(lines 650 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,965 INFO L274 CegarLoopResult]: For program point L1377(lines 1377 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,965 INFO L274 CegarLoopResult]: For program point L1311(lines 1311 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,965 INFO L274 CegarLoopResult]: For program point L254(lines 254 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,965 INFO L274 CegarLoopResult]: For program point L188-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:49:46,965 INFO L274 CegarLoopResult]: For program point L122-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:49:46,965 INFO L274 CegarLoopResult]: For program point L56-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:49:46,965 INFO L274 CegarLoopResult]: For program point L981(lines 981 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,965 INFO L274 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-27 18:49:46,965 INFO L274 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-27 18:49:46,966 INFO L274 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-27 18:49:46,966 INFO L274 CegarLoopResult]: For program point L586(lines 586 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,966 INFO L274 CegarLoopResult]: For program point L388(lines 388 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,966 INFO L274 CegarLoopResult]: For program point L719(lines 719 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,966 INFO L274 CegarLoopResult]: For program point L323(lines 323 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,966 INFO L274 CegarLoopResult]: For program point L191-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:49:46,966 INFO L274 CegarLoopResult]: For program point L125-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:49:46,966 INFO L274 CegarLoopResult]: For program point L1116(lines 1116 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,966 INFO L274 CegarLoopResult]: For program point L59-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:49:46,966 INFO L274 CegarLoopResult]: For program point L1050(lines 1050 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,966 INFO L274 CegarLoopResult]: For program point L786(lines 786 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,967 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 25 1494) the Hoare annotation is: (let ((.cse0 (and (= ~a18~0 |old(~a18~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a15~0 |old(~a15~0)|)))) (and (or .cse0 (= 9 |old(~a12~0)|)) (or .cse0 (not (<= 11 |old(~a16~0)|))) (or (not (<= |old(~a16~0)| 9)) .cse0))) [2020-10-27 18:49:46,967 INFO L274 CegarLoopResult]: For program point L456(lines 456 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,967 INFO L274 CegarLoopResult]: For program point L1249(lines 1249 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,967 INFO L274 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-27 18:49:46,967 INFO L274 CegarLoopResult]: For program point L1183(lines 1183 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,967 INFO L274 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-27 18:49:46,967 INFO L274 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-27 18:49:46,967 INFO L274 CegarLoopResult]: For program point L919(lines 919 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,967 INFO L274 CegarLoopResult]: For program point L853(lines 853 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,967 INFO L274 CegarLoopResult]: For program point L523(lines 523 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,967 INFO L274 CegarLoopResult]: For program point L1448(lines 1448 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,967 INFO L274 CegarLoopResult]: For program point L1316(lines 1316 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,968 INFO L274 CegarLoopResult]: For program point L259(lines 259 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,968 INFO L274 CegarLoopResult]: For program point L1383(lines 1383 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,968 INFO L274 CegarLoopResult]: For program point L194-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:49:46,968 INFO L274 CegarLoopResult]: For program point L128-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:49:46,968 INFO L274 CegarLoopResult]: For program point L62-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:49:46,968 INFO L274 CegarLoopResult]: For program point L657(lines 657 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,968 INFO L274 CegarLoopResult]: For program point L591(lines 591 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,968 INFO L274 CegarLoopResult]: For program point L459(lines 459 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,968 INFO L274 CegarLoopResult]: For program point L393(lines 393 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,968 INFO L274 CegarLoopResult]: For program point L1252(lines 1252 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,968 INFO L274 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-27 18:49:46,968 INFO L274 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-27 18:49:46,968 INFO L274 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-27 18:49:46,969 INFO L274 CegarLoopResult]: For program point L988(lines 988 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,969 INFO L274 CegarLoopResult]: For program point L1451(lines 1451 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,969 INFO L274 CegarLoopResult]: For program point L791(lines 791 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,969 INFO L274 CegarLoopResult]: For program point L725(lines 725 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,969 INFO L274 CegarLoopResult]: For program point L329(lines 329 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,969 INFO L274 CegarLoopResult]: For program point L197-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:49:46,969 INFO L274 CegarLoopResult]: For program point L131-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:49:46,969 INFO L274 CegarLoopResult]: For program point L1122(lines 1122 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,969 INFO L274 CegarLoopResult]: For program point L65-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:49:46,969 INFO L274 CegarLoopResult]: For program point L924(lines 924 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,969 INFO L274 CegarLoopResult]: For program point L264(lines 264 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,969 INFO L274 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-27 18:49:46,969 INFO L274 CegarLoopResult]: For program point L1189(lines 1189 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,969 INFO L274 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-27 18:49:46,970 INFO L274 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-27 18:49:46,970 INFO L274 CegarLoopResult]: For program point L1057(lines 1057 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,970 INFO L274 CegarLoopResult]: For program point L859(lines 859 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,970 INFO L274 CegarLoopResult]: For program point L529(lines 529 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,970 INFO L274 CegarLoopResult]: For program point L1388(lines 1388 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,970 INFO L274 CegarLoopResult]: For program point L596(lines 596 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,970 INFO L274 CegarLoopResult]: For program point L1323(lines 1323 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,970 INFO L274 CegarLoopResult]: For program point L200-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:49:46,970 INFO L274 CegarLoopResult]: For program point L134-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:49:46,970 INFO L274 CegarLoopResult]: For program point L68-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:49:46,970 INFO L274 CegarLoopResult]: For program point L663(lines 663 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,970 INFO L274 CegarLoopResult]: For program point L465(lines 465 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,971 INFO L274 CegarLoopResult]: For program point L1258(lines 1258 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,971 INFO L274 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-27 18:49:46,971 INFO L274 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-27 18:49:46,971 INFO L274 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-27 18:49:46,971 INFO L274 CegarLoopResult]: For program point L730(lines 730 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,971 INFO L274 CegarLoopResult]: For program point L400(lines 400 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,971 INFO L274 CegarLoopResult]: For program point L1127(lines 1127 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,971 INFO L274 CegarLoopResult]: For program point L995(lines 995 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,971 INFO L274 CegarLoopResult]: For program point L1458(lines 1458 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,971 INFO L274 CegarLoopResult]: For program point L335(lines 335 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,971 INFO L274 CegarLoopResult]: For program point L203-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:49:46,971 INFO L274 CegarLoopResult]: For program point L137-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:49:46,972 INFO L274 CegarLoopResult]: For program point L71-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:49:46,972 INFO L274 CegarLoopResult]: For program point L798(lines 798 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,972 INFO L274 CegarLoopResult]: For program point L666(lines 666 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,972 INFO L274 CegarLoopResult]: For program point L270(lines 270 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,972 INFO L274 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-27 18:49:46,972 INFO L274 CegarLoopResult]: For program point L1195(lines 1195 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,972 INFO L274 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-27 18:49:46,972 INFO L274 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-27 18:49:46,972 INFO L274 CegarLoopResult]: For program point L1063(lines 1063 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,972 INFO L274 CegarLoopResult]: For program point L931(lines 931 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,972 INFO L274 CegarLoopResult]: For program point L865(lines 865 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,972 INFO L274 CegarLoopResult]: For program point L535(lines 535 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,973 INFO L274 CegarLoopResult]: For program point L1394(lines 1394 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,973 INFO L274 CegarLoopResult]: For program point L602(lines 602 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,973 INFO L274 CegarLoopResult]: For program point L1329(lines 1329 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,973 INFO L274 CegarLoopResult]: For program point L206-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:49:46,973 INFO L274 CegarLoopResult]: For program point L140-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:49:46,973 INFO L274 CegarLoopResult]: For program point L74-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:49:46,973 INFO L274 CegarLoopResult]: For program point L471(lines 471 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,973 INFO L274 CegarLoopResult]: For program point L1264(lines 1264 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,973 INFO L274 CegarLoopResult]: For program point L207(line 207) no Hoare annotation was computed. [2020-10-27 18:49:46,973 INFO L274 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-27 18:49:46,973 INFO L274 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-27 18:49:46,974 INFO L274 CegarLoopResult]: For program point L736(lines 736 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,974 INFO L274 CegarLoopResult]: For program point L1463(lines 1463 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,974 INFO L274 CegarLoopResult]: For program point L406(lines 406 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,974 INFO L274 CegarLoopResult]: For program point L340(lines 340 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,974 INFO L274 CegarLoopResult]: For program point L1133(lines 1133 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,974 INFO L274 CegarLoopResult]: For program point L1001(lines 1001 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,974 INFO L274 CegarLoopResult]: For program point L143-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:49:46,974 INFO L274 CegarLoopResult]: For program point L77-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:49:46,974 INFO L274 CegarLoopResult]: For program point L804(lines 804 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,974 INFO L274 CegarLoopResult]: For program point L672(lines 672 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,974 INFO L274 CegarLoopResult]: For program point L540(lines 540 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,975 INFO L274 CegarLoopResult]: For program point L1399(lines 1399 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,975 INFO L274 CegarLoopResult]: For program point L276(lines 276 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,975 INFO L274 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-27 18:49:46,975 INFO L274 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-27 18:49:46,975 INFO L274 CegarLoopResult]: For program point L1069(lines 1069 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,975 INFO L274 CegarLoopResult]: For program point L937(lines 937 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,975 INFO L274 CegarLoopResult]: For program point L871(lines 871 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,975 INFO L274 CegarLoopResult]: For program point L1202(lines 1202 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,975 INFO L274 CegarLoopResult]: For program point L608(lines 608 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,975 INFO L274 CegarLoopResult]: For program point L1269(lines 1269 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,975 INFO L274 CegarLoopResult]: For program point L146-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:49:46,975 INFO L274 CegarLoopResult]: For program point L80-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:49:46,975 INFO L274 CegarLoopResult]: For program point L1468(lines 1468 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,976 INFO L274 CegarLoopResult]: For program point L1336(lines 1336 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,976 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-27 18:49:46,976 INFO L274 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-27 18:49:46,976 INFO L274 CegarLoopResult]: For program point L478(lines 478 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,976 INFO L274 CegarLoopResult]: For program point L1139(lines 1139 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,976 INFO L274 CegarLoopResult]: For program point L1007(lines 1007 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,976 INFO L274 CegarLoopResult]: For program point L743(lines 743 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,976 INFO L274 CegarLoopResult]: For program point L545(lines 545 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,976 INFO L274 CegarLoopResult]: For program point L413(lines 413 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,976 INFO L274 CegarLoopResult]: For program point L347(lines 347 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,977 INFO L274 CegarLoopResult]: For program point L281(lines 281 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,977 INFO L274 CegarLoopResult]: For program point L215(lines 215 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,977 INFO L274 CegarLoopResult]: For program point L149-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:49:46,977 INFO L274 CegarLoopResult]: For program point L83-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:49:46,977 INFO L274 CegarLoopResult]: For program point L810(lines 810 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,977 INFO L274 CegarLoopResult]: For program point L1405(lines 1405 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,977 INFO L274 CegarLoopResult]: For program point L1207(lines 1207 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,977 INFO L274 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-27 18:49:46,977 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-27 18:49:46,977 INFO L274 CegarLoopResult]: For program point L1075(lines 1075 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,977 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:49:46,978 INFO L274 CegarLoopResult]: For program point L877(lines 877 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,978 INFO L274 CegarLoopResult]: For program point L679(lines 679 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,978 INFO L274 CegarLoopResult]: For program point L944(lines 944 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,978 INFO L274 CegarLoopResult]: For program point L614(lines 614 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,978 INFO L274 CegarLoopResult]: For program point L152-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:49:46,978 INFO L274 CegarLoopResult]: For program point L86-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:49:46,978 INFO L274 CegarLoopResult]: For program point L1474(lines 1474 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,978 INFO L274 CegarLoopResult]: For program point L1276(lines 1276 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,978 INFO L274 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-27 18:49:46,978 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-27 18:49:46,979 INFO L274 CegarLoopResult]: For program point L748(lines 748 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,979 INFO L274 CegarLoopResult]: For program point L682(lines 682 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,979 INFO L274 CegarLoopResult]: For program point L550(lines 550 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,979 INFO L274 CegarLoopResult]: For program point L352(lines 352 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,979 INFO L274 CegarLoopResult]: For program point L1343(lines 1343 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,979 INFO L274 CegarLoopResult]: For program point L220(lines 220 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,979 INFO L274 CegarLoopResult]: For program point L1145(lines 1145 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,979 INFO L274 CegarLoopResult]: For program point L1013(lines 1013 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,979 INFO L274 CegarLoopResult]: For program point L485(lines 485 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,979 INFO L274 CegarLoopResult]: For program point L419(lines 419 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,979 INFO L274 CegarLoopResult]: For program point L287(lines 287 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,979 INFO L274 CegarLoopResult]: For program point L155-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:49:46,980 INFO L274 CegarLoopResult]: For program point L89-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:49:46,980 INFO L274 CegarLoopResult]: For program point L1411(lines 1411 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,980 INFO L274 CegarLoopResult]: For program point L1213(lines 1213 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,980 INFO L274 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-27 18:49:46,980 INFO L274 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-27 18:49:46,980 INFO L274 CegarLoopResult]: For program point L1081(lines 1081 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,980 INFO L274 CegarLoopResult]: For program point L817(lines 817 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,980 INFO L274 CegarLoopResult]: For program point L950(lines 950 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,980 INFO L274 CegarLoopResult]: For program point L884(lines 884 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,980 INFO L274 CegarLoopResult]: For program point L620(lines 620 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,981 INFO L274 CegarLoopResult]: For program point L1479(lines 1479 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,981 INFO L274 CegarLoopResult]: For program point L158-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:49:46,981 INFO L274 CegarLoopResult]: For program point L92-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:49:46,981 INFO L274 CegarLoopResult]: For program point L26(lines 26 28) no Hoare annotation was computed. [2020-10-27 18:49:46,981 INFO L274 CegarLoopResult]: For program point L26-2(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:49:46,981 INFO L274 CegarLoopResult]: For program point L1282(lines 1282 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,981 INFO L274 CegarLoopResult]: For program point L225(lines 225 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,981 INFO L274 CegarLoopResult]: For program point L1216(lines 1216 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,981 INFO L274 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-27 18:49:46,981 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-27 18:49:46,981 INFO L274 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-27 18:49:46,981 INFO L274 CegarLoopResult]: For program point L754(lines 754 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,981 INFO L274 CegarLoopResult]: For program point L688(lines 688 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,982 INFO L274 CegarLoopResult]: For program point L556(lines 556 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,982 INFO L274 CegarLoopResult]: For program point L358(lines 358 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,982 INFO L274 CegarLoopResult]: For program point L1349(lines 1349 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,982 INFO L274 CegarLoopResult]: For program point L292(lines 292 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,982 INFO L274 CegarLoopResult]: For program point L1151(lines 1151 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,982 INFO L274 CegarLoopResult]: For program point L491(lines 491 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,982 INFO L274 CegarLoopResult]: For program point L161-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:49:46,982 INFO L274 CegarLoopResult]: For program point L95-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:49:46,982 INFO L274 CegarLoopResult]: For program point L29-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:49:46,982 INFO L274 CegarLoopResult]: For program point L1020(lines 1020 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,982 INFO L274 CegarLoopResult]: For program point L426(lines 426 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,982 INFO L274 CegarLoopResult]: For program point L1417(lines 1417 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,982 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-27 18:49:46,983 INFO L274 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-27 18:49:46,983 INFO L274 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-27 18:49:46,983 INFO L274 CegarLoopResult]: For program point L1088(lines 1088 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,983 INFO L274 CegarLoopResult]: For program point L956(lines 956 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,983 INFO L274 CegarLoopResult]: For program point L890(lines 890 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,983 INFO L274 CegarLoopResult]: For program point L824(lines 824 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,983 INFO L274 CegarLoopResult]: For program point L626(lines 626 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,983 INFO L274 CegarLoopResult]: For program point L164-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:49:46,983 INFO L274 CegarLoopResult]: For program point L98-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:49:46,983 INFO L274 CegarLoopResult]: For program point L32-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:49:46,983 INFO L274 CegarLoopResult]: For program point L693(lines 693 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,983 INFO L274 CegarLoopResult]: For program point L1486(lines 1486 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,983 INFO L274 CegarLoopResult]: For program point L429(lines 429 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,984 INFO L274 CegarLoopResult]: For program point L363(lines 363 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,984 INFO L274 CegarLoopResult]: For program point L1288(lines 1288 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,984 INFO L274 CegarLoopResult]: For program point L231(lines 231 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,984 INFO L274 CegarLoopResult]: For program point L1222(lines 1222 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,984 INFO L274 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-27 18:49:46,984 INFO L274 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-27 18:49:46,984 INFO L274 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-27 18:49:46,984 INFO L274 CegarLoopResult]: For program point L760(lines 760 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,984 INFO L274 CegarLoopResult]: For program point L562(lines 562 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,984 INFO L274 CegarLoopResult]: For program point L1355(lines 1355 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,984 INFO L274 CegarLoopResult]: For program point L1157(lines 1157 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,984 INFO L274 CegarLoopResult]: For program point L497(lines 497 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,984 INFO L274 CegarLoopResult]: For program point L299(lines 299 1492) no Hoare annotation was computed. [2020-10-27 18:49:46,985 INFO L274 CegarLoopResult]: For program point L167-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:49:46,985 INFO L274 CegarLoopResult]: For program point L101-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:49:46,985 INFO L274 CegarLoopResult]: For program point L35-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:49:46,985 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-27 18:49:46,985 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a16~0 11) (<= (+ ~a18~0 76) 0) (<= ~a12~0 5)) [2020-10-27 18:49:46,985 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-27 18:49:46,985 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-27 18:49:46,985 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 1769 1785) the Hoare annotation is: (or (not (= 11 |old(~a16~0)|)) (and (= ~a18~0 |old(~a18~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a15~0 |old(~a15~0)|)) (not (<= |old(~a12~0)| 5)) (not (<= (+ |old(~a18~0)| 76) 0))) [2020-10-27 18:49:46,985 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 1769 1785) no Hoare annotation was computed. [2020-10-27 18:49:46,986 INFO L270 CegarLoopResult]: At program point L1783(line 1783) the Hoare annotation is: (or (<= 11 ~a16~0) (not (= 11 |old(~a16~0)|)) (<= ~a16~0 9) (not (<= |old(~a12~0)| 5)) (not (= ~a12~0 9)) (not (<= (+ |old(~a18~0)| 76) 0))) [2020-10-27 18:49:46,986 INFO L274 CegarLoopResult]: For program point L1783-1(line 1783) no Hoare annotation was computed. [2020-10-27 18:49:46,986 INFO L274 CegarLoopResult]: For program point L1780(line 1780) no Hoare annotation was computed. [2020-10-27 18:49:46,986 INFO L270 CegarLoopResult]: At program point L1775-2(lines 1775 1784) the Hoare annotation is: (or (<= 11 ~a16~0) (not (= 11 |old(~a16~0)|)) (<= ~a16~0 9) (not (<= |old(~a12~0)| 5)) (not (= ~a12~0 9)) (not (<= (+ |old(~a18~0)| 76) 0))) [2020-10-27 18:49:46,986 INFO L274 CegarLoopResult]: For program point L1775-3(lines 1769 1785) no Hoare annotation was computed. [2020-10-27 18:49:47,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 06:49:47 BoogieIcfgContainer [2020-10-27 18:49:47,010 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 18:49:47,012 INFO L168 Benchmark]: Toolchain (without parser) took 203280.02 ms. Allocated memory was 167.8 MB in the beginning and 2.1 GB in the end (delta: 1.9 GB). Free memory was 138.5 MB in the beginning and 1.1 GB in the end (delta: -968.7 MB). Peak memory consumption was 1.3 GB. Max. memory is 8.0 GB. [2020-10-27 18:49:47,013 INFO L168 Benchmark]: CDTParser took 0.60 ms. Allocated memory is still 125.8 MB. Free memory is still 85.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 18:49:47,013 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1088.84 ms. Allocated memory is still 167.8 MB. Free memory was 138.0 MB in the beginning and 122.2 MB in the end (delta: 15.8 MB). Peak memory consumption was 45.9 MB. Max. memory is 8.0 GB. [2020-10-27 18:49:47,014 INFO L168 Benchmark]: Boogie Preprocessor took 232.19 ms. Allocated memory is still 167.8 MB. Free memory was 122.2 MB in the beginning and 111.7 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2020-10-27 18:49:47,015 INFO L168 Benchmark]: RCFGBuilder took 2611.35 ms. Allocated memory was 167.8 MB in the beginning and 201.3 MB in the end (delta: 33.6 MB). Free memory was 111.7 MB in the beginning and 136.1 MB in the end (delta: -24.4 MB). Peak memory consumption was 65.3 MB. Max. memory is 8.0 GB. [2020-10-27 18:49:47,016 INFO L168 Benchmark]: TraceAbstraction took 199331.82 ms. Allocated memory was 201.3 MB in the beginning and 2.1 GB in the end (delta: 1.9 GB). Free memory was 135.5 MB in the beginning and 1.1 GB in the end (delta: -971.7 MB). Peak memory consumption was 1.3 GB. Max. memory is 8.0 GB. [2020-10-27 18:49:47,018 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.60 ms. Allocated memory is still 125.8 MB. Free memory is still 85.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 1088.84 ms. Allocated memory is still 167.8 MB. Free memory was 138.0 MB in the beginning and 122.2 MB in the end (delta: 15.8 MB). Peak memory consumption was 45.9 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 232.19 ms. Allocated memory is still 167.8 MB. Free memory was 122.2 MB in the beginning and 111.7 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * RCFGBuilder took 2611.35 ms. Allocated memory was 167.8 MB in the beginning and 201.3 MB in the end (delta: 33.6 MB). Free memory was 111.7 MB in the beginning and 136.1 MB in the end (delta: -24.4 MB). Peak memory consumption was 65.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 199331.82 ms. Allocated memory was 201.3 MB in the beginning and 2.1 GB in the end (delta: 1.9 GB). Free memory was 135.5 MB in the beginning and 1.1 GB in the end (delta: -971.7 MB). Peak memory consumption was 1.3 GB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5]: 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: 1775]: Loop Invariant Derived loop invariant: ((((11 <= a16 || !(11 == \old(a16))) || a16 <= 9) || !(\old(a12) <= 5)) || !(a12 == 9)) || !(\old(a18) + 76 <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 413 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 191.7s, OverallIterations: 14, TraceHistogramMax: 7, AutomataDifference: 90.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 540 SDtfs, 14734 SDslu, 653 SDs, 0 SdLazy, 35353 SolverSat, 5742 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 60.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 325 GetRequests, 193 SyntacticMatches, 3 SemanticMatches, 129 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 206 ImplicationChecksByTransitivity, 11.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10310occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.4s AutomataMinimizationTime, 14 MinimizatonAttempts, 1287 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 1186 PreInvPairs, 1326 NumberOfFragments, 533 HoareAnnotationTreeSize, 1186 FomulaSimplifications, 57264 FormulaSimplificationTreeSizeReduction, 2.8s HoareSimplificationTime, 11 FomulaSimplificationsInter, 26682 FormulaSimplificationTreeSizeReductionInter, 4.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 86.2s InterpolantComputationTime, 8757 NumberOfCodeBlocks, 8757 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 8743 ConstructedInterpolants, 0 QuantifiedInterpolants, 42085821 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 1 PerfectInterpolantSequences, 9113/11308 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...