/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/Problem03_label46.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 15:48:05,709 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 15:48:05,713 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 15:48:05,777 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 15:48:05,778 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 15:48:05,784 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 15:48:05,787 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 15:48:05,792 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 15:48:05,795 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 15:48:05,803 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 15:48:05,805 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 15:48:05,806 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 15:48:05,806 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 15:48:05,811 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 15:48:05,813 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 15:48:05,815 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 15:48:05,816 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 15:48:05,821 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 15:48:05,830 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 15:48:05,838 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 15:48:05,842 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 15:48:05,843 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 15:48:05,845 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 15:48:05,846 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 15:48:05,863 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 15:48:05,864 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 15:48:05,865 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 15:48:05,866 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 15:48:05,866 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 15:48:05,867 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 15:48:05,868 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 15:48:05,869 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 15:48:05,870 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 15:48:05,870 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 15:48:05,872 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 15:48:05,872 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 15:48:05,873 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 15:48:05,873 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 15:48:05,873 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 15:48:05,874 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 15:48:05,875 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 15:48:05,876 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 15:48:05,906 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 15:48:05,907 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 15:48:05,908 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 15:48:05,908 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 15:48:05,909 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 15:48:05,909 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 15:48:05,910 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 15:48:05,911 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 15:48:05,911 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 15:48:05,911 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 15:48:05,912 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 15:48:05,912 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 15:48:05,912 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 15:48:05,913 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 15:48:05,913 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 15:48:05,913 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 15:48:05,913 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 15:48:05,914 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 15:48:05,914 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 15:48:05,914 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 15:48:05,914 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 15:48:05,915 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 15:48:05,915 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 15:48:05,915 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 15:48:05,916 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 15:48:05,916 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 15:48:05,916 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 15:48:05,916 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 15:48:05,916 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 15:48:05,916 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 15:48:06,307 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 15:48:06,334 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 15:48:06,337 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 15:48:06,339 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 15:48:06,340 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 15:48:06,341 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem03_label46.c [2020-10-27 15:48:06,415 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/018d5bce8/2391be7d523b46cd9e962dfb2d0d3a1a/FLAG3bab2806b [2020-10-27 15:48:07,389 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 15:48:07,390 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem03_label46.c [2020-10-27 15:48:07,426 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/018d5bce8/2391be7d523b46cd9e962dfb2d0d3a1a/FLAG3bab2806b [2020-10-27 15:48:07,444 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/018d5bce8/2391be7d523b46cd9e962dfb2d0d3a1a [2020-10-27 15:48:07,447 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 15:48:07,455 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 15:48:07,461 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 15:48:07,461 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 15:48:07,466 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 15:48:07,467 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:48:07" (1/1) ... [2020-10-27 15:48:07,471 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5035366 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:48:07, skipping insertion in model container [2020-10-27 15:48:07,471 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:48:07" (1/1) ... [2020-10-27 15:48:07,481 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 15:48:07,579 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 15:48:08,371 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 15:48:08,382 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 15:48:08,600 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 15:48:08,626 INFO L208 MainTranslator]: Completed translation [2020-10-27 15:48:08,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:48:08 WrapperNode [2020-10-27 15:48:08,628 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 15:48:08,629 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 15:48:08,630 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 15:48:08,630 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 15:48:08,644 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:48:08" (1/1) ... [2020-10-27 15:48:08,647 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:48:08" (1/1) ... [2020-10-27 15:48:08,713 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:48:08" (1/1) ... [2020-10-27 15:48:08,714 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:48:08" (1/1) ... [2020-10-27 15:48:08,810 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:48:08" (1/1) ... [2020-10-27 15:48:08,825 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:48:08" (1/1) ... [2020-10-27 15:48:08,839 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:48:08" (1/1) ... [2020-10-27 15:48:08,857 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 15:48:08,858 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 15:48:08,858 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 15:48:08,858 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 15:48:08,859 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:48:08" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 15:48:08,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 15:48:08,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 15:48:08,939 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 15:48:08,939 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-27 15:48:08,939 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 15:48:08,939 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-27 15:48:08,940 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 15:48:08,940 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 15:48:08,940 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 15:48:08,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 15:48:08,940 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 15:48:08,941 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 15:48:08,941 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 15:48:08,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 15:48:08,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 15:48:08,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 15:48:08,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 15:48:08,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 15:48:08,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 15:48:11,674 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 15:48:11,675 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-27 15:48:11,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:48:11 BoogieIcfgContainer [2020-10-27 15:48:11,677 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 15:48:11,679 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 15:48:11,679 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 15:48:11,683 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 15:48:11,683 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 03:48:07" (1/3) ... [2020-10-27 15:48:11,684 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a77bf0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:48:11, skipping insertion in model container [2020-10-27 15:48:11,684 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:48:08" (2/3) ... [2020-10-27 15:48:11,684 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a77bf0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:48:11, skipping insertion in model container [2020-10-27 15:48:11,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:48:11" (3/3) ... [2020-10-27 15:48:11,686 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem03_label46.c [2020-10-27 15:48:11,698 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 15:48:11,704 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 15:48:11,719 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 15:48:11,749 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 15:48:11,749 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 15:48:11,749 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 15:48:11,749 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 15:48:11,749 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 15:48:11,750 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 15:48:11,750 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 15:48:11,750 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 15:48:11,775 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states. [2020-10-27 15:48:11,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-10-27 15:48:11,793 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:48:11,794 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:48:11,795 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:48:11,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:48:11,801 INFO L82 PathProgramCache]: Analyzing trace with hash 1457415760, now seen corresponding path program 1 times [2020-10-27 15:48:11,811 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:48:11,812 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [207044194] [2020-10-27 15:48:11,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:48:12,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:48:12,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:48:13,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:48:16,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:48:16,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 202 [2020-10-27 15:48:16,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 15:48:16,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4023 [2020-10-27 15:48:16,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:48:16,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 15:48:16,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 15:48:16,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-27 15:48:16,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 15:48:17,021 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2020-10-27 15:48:17,175 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-10-27 15:48:17,330 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-10-27 15:48:17,493 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-10-27 15:48:17,647 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-10-27 15:48:17,862 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 61 [2020-10-27 15:48:18,157 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 55 [2020-10-27 15:48:18,336 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 50 [2020-10-27 15:48:18,483 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2020-10-27 15:48:18,813 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-27 15:48:18,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:48:18,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:48:18,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:48:18,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:48:18,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:48:18,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:48:18,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-27 15:48:18,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:48:18,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:48:18,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:48:18,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 15:48:18,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:48:19,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 15:48:19,467 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [207044194] [2020-10-27 15:48:19,469 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 15:48:19,470 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-27 15:48:19,470 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496594347] [2020-10-27 15:48:19,475 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 15:48:19,475 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:48:19,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 15:48:19,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2020-10-27 15:48:19,493 INFO L87 Difference]: Start difference. First operand 315 states. Second operand 12 states. [2020-10-27 15:48:20,067 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2020-10-27 15:48:21,131 WARN L193 SmtUtils]: Spent 967.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 196 [2020-10-27 15:48:22,131 WARN L193 SmtUtils]: Spent 924.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 196 [2020-10-27 15:48:23,200 WARN L193 SmtUtils]: Spent 994.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 204 [2020-10-27 15:48:24,901 WARN L193 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 223 DAG size of output: 203 [2020-10-27 15:48:26,752 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 224 DAG size of output: 202 [2020-10-27 15:48:28,463 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 227 DAG size of output: 201 [2020-10-27 15:48:32,018 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 228 DAG size of output: 200 [2020-10-27 15:48:33,470 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 230 DAG size of output: 198 [2020-10-27 15:48:36,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:48:36,968 INFO L93 Difference]: Finished difference Result 742 states and 1293 transitions. [2020-10-27 15:48:36,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-27 15:48:36,971 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 192 [2020-10-27 15:48:36,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:48:36,997 INFO L225 Difference]: With dead ends: 742 [2020-10-27 15:48:36,997 INFO L226 Difference]: Without dead ends: 365 [2020-10-27 15:48:37,011 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 12.0s TimeCoverageRelationStatistics Valid=115, Invalid=305, Unknown=0, NotChecked=0, Total=420 [2020-10-27 15:48:37,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2020-10-27 15:48:37,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 365. [2020-10-27 15:48:37,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 365 states. [2020-10-27 15:48:37,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 526 transitions. [2020-10-27 15:48:37,139 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 526 transitions. Word has length 192 [2020-10-27 15:48:37,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:48:37,141 INFO L481 AbstractCegarLoop]: Abstraction has 365 states and 526 transitions. [2020-10-27 15:48:37,141 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 15:48:37,141 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 526 transitions. [2020-10-27 15:48:37,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2020-10-27 15:48:37,147 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:48:37,147 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:48:37,147 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 15:48:37,148 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:48:37,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:48:37,149 INFO L82 PathProgramCache]: Analyzing trace with hash -2118050499, now seen corresponding path program 1 times [2020-10-27 15:48:37,149 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:48:37,149 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1176928950] [2020-10-27 15:48:37,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:48:37,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:48:37,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:48:37,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:48:39,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:48:42,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:48:42,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 215 [2020-10-27 15:48:42,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 15:48:42,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5050 [2020-10-27 15:48:42,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:48:42,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:48:42,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-27 15:48:42,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 190 [2020-10-27 15:48:42,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-10-27 15:48:42,741 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-27 15:48:42,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:48:42,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:48:42,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:48:42,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:48:42,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:48:42,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:48:42,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-27 15:48:42,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:48:42,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:48:42,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:48:42,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:48:42,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:48:42,916 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-27 15:48:42,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:48:42,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:48:42,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:48:42,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:48:42,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 15:48:42,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:48:42,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-27 15:48:42,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:48:42,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:48:42,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:48:42,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 15:48:42,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 15:48:43,104 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 15:48:43,105 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1176928950] [2020-10-27 15:48:43,105 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:48:43,106 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 15:48:43,106 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351425800] [2020-10-27 15:48:43,110 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 15:48:43,110 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:48:43,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 15:48:43,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:48:43,116 INFO L87 Difference]: Start difference. First operand 365 states and 526 transitions. Second operand 5 states. [2020-10-27 15:48:43,405 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-27 15:48:46,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:48:46,451 INFO L93 Difference]: Finished difference Result 833 states and 1294 transitions. [2020-10-27 15:48:46,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:48:46,452 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 203 [2020-10-27 15:48:46,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:48:46,459 INFO L225 Difference]: With dead ends: 833 [2020-10-27 15:48:46,460 INFO L226 Difference]: Without dead ends: 589 [2020-10-27 15:48:46,461 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 15:48:46,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 589 states. [2020-10-27 15:48:46,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 589 to 588. [2020-10-27 15:48:46,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 588 states. [2020-10-27 15:48:46,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 588 states and 846 transitions. [2020-10-27 15:48:46,499 INFO L78 Accepts]: Start accepts. Automaton has 588 states and 846 transitions. Word has length 203 [2020-10-27 15:48:46,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:48:46,500 INFO L481 AbstractCegarLoop]: Abstraction has 588 states and 846 transitions. [2020-10-27 15:48:46,500 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 15:48:46,500 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 846 transitions. [2020-10-27 15:48:46,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-10-27 15:48:46,504 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:48:46,504 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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] [2020-10-27 15:48:46,504 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 15:48:46,505 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:48:46,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:48:46,505 INFO L82 PathProgramCache]: Analyzing trace with hash -1156131788, now seen corresponding path program 1 times [2020-10-27 15:48:46,506 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:48:46,506 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [135960627] [2020-10-27 15:48:46,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:48:46,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:48:46,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:48:46,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:48:48,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:48:50,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:48:50,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 226 [2020-10-27 15:48:50,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 15:48:50,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3878 [2020-10-27 15:48:50,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:48:50,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:48:50,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-27 15:48:50,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 190 [2020-10-27 15:48:50,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:48:50,772 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-27 15:48:50,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:48:50,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:48:50,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:48:50,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:48:50,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:48:50,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:48:50,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 15:48:50,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:48:50,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:48:50,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:48:50,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:48:50,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:48:50,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:48:50,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:48:50,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:48:50,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:48:50,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 15:48:50,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:48:50,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 15:48:50,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:48:50,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:48:50,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:48:50,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:48:50,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:48:50,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 15:48:50,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:48:50,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:48:50,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:48:50,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 15:48:50,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:48:50,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-27 15:48:50,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:48:50,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:48:50,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:48:50,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 15:48:50,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 15:48:51,031 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-27 15:48:51,032 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [135960627] [2020-10-27 15:48:51,032 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:48:51,033 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 15:48:51,033 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354614466] [2020-10-27 15:48:51,034 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 15:48:51,034 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:48:51,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 15:48:51,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:48:51,035 INFO L87 Difference]: Start difference. First operand 588 states and 846 transitions. Second operand 5 states. [2020-10-27 15:48:51,498 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2020-10-27 15:48:54,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:48:54,567 INFO L93 Difference]: Finished difference Result 1487 states and 2248 transitions. [2020-10-27 15:48:54,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:48:54,568 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 212 [2020-10-27 15:48:54,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:48:54,576 INFO L225 Difference]: With dead ends: 1487 [2020-10-27 15:48:54,576 INFO L226 Difference]: Without dead ends: 1020 [2020-10-27 15:48:54,578 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 15:48:54,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1020 states. [2020-10-27 15:48:54,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1020 to 1013. [2020-10-27 15:48:54,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1013 states. [2020-10-27 15:48:54,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1013 states to 1013 states and 1445 transitions. [2020-10-27 15:48:54,623 INFO L78 Accepts]: Start accepts. Automaton has 1013 states and 1445 transitions. Word has length 212 [2020-10-27 15:48:54,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:48:54,624 INFO L481 AbstractCegarLoop]: Abstraction has 1013 states and 1445 transitions. [2020-10-27 15:48:54,624 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 15:48:54,624 INFO L276 IsEmpty]: Start isEmpty. Operand 1013 states and 1445 transitions. [2020-10-27 15:48:54,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-10-27 15:48:54,629 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:48:54,630 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 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] [2020-10-27 15:48:54,630 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 15:48:54,630 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:48:54,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:48:54,631 INFO L82 PathProgramCache]: Analyzing trace with hash -821852128, now seen corresponding path program 1 times [2020-10-27 15:48:54,631 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:48:54,631 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [119395147] [2020-10-27 15:48:54,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:48:54,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:48:54,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:48:54,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:48:54,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:48:55,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:48:55,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:48:55,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:48:56,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:48:59,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:48:59,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 238 [2020-10-27 15:48:59,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 15:48:59,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5046 [2020-10-27 15:48:59,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:48:59,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:48:59,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-27 15:48:59,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 15:48:59,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:49:00,011 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-27 15:49:00,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:49:00,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:49:00,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:49:00,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:49:00,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:49:00,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:49:00,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 15:49:00,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:49:00,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:49:00,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:49:00,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:49:00,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:49:00,166 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-27 15:49:00,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:49:00,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:49:00,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:49:00,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:49:00,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 15:49:00,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:49:00,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 15:49:00,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:49:00,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:49:00,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:49:00,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:49:00,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 15:49:00,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 15:49:00,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:49:00,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:49:00,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:49:00,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 15:49:00,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:49:00,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 15:49:00,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:49:00,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:49:00,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:49:00,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:49:00,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 37 [2020-10-27 15:49:00,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 15:49:00,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:49:00,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:49:00,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:49:00,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 15:49:00,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:49:00,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 15:49:00,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:49:00,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:49:00,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 15:49:00,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 15:49:00,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:49:00,392 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-10-27 15:49:00,393 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [119395147] [2020-10-27 15:49:00,397 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 15:49:00,397 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-27 15:49:00,398 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168903779] [2020-10-27 15:49:00,398 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 15:49:00,399 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:49:00,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 15:49:00,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:49:00,399 INFO L87 Difference]: Start difference. First operand 1013 states and 1445 transitions. Second operand 5 states. [2020-10-27 15:49:00,643 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2020-10-27 15:49:02,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:49:02,531 INFO L93 Difference]: Finished difference Result 1904 states and 2762 transitions. [2020-10-27 15:49:02,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:49:02,532 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 222 [2020-10-27 15:49:02,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:49:02,538 INFO L225 Difference]: With dead ends: 1904 [2020-10-27 15:49:02,538 INFO L226 Difference]: Without dead ends: 1012 [2020-10-27 15:49:02,541 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 15:49:02,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1012 states. [2020-10-27 15:49:02,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1012 to 1012. [2020-10-27 15:49:02,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1012 states. [2020-10-27 15:49:02,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1012 states to 1012 states and 1443 transitions. [2020-10-27 15:49:02,586 INFO L78 Accepts]: Start accepts. Automaton has 1012 states and 1443 transitions. Word has length 222 [2020-10-27 15:49:02,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:49:02,586 INFO L481 AbstractCegarLoop]: Abstraction has 1012 states and 1443 transitions. [2020-10-27 15:49:02,586 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 15:49:02,586 INFO L276 IsEmpty]: Start isEmpty. Operand 1012 states and 1443 transitions. [2020-10-27 15:49:02,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-10-27 15:49:02,592 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:49:02,593 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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] [2020-10-27 15:49:02,593 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 15:49:02,593 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:49:02,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:49:02,594 INFO L82 PathProgramCache]: Analyzing trace with hash -485748704, now seen corresponding path program 1 times [2020-10-27 15:49:02,594 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:49:02,594 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1219438306] [2020-10-27 15:49:02,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:49:02,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:49:02,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:49:02,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:49:04,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:49:06,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:49:06,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 236 [2020-10-27 15:49:06,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 15:49:06,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3849 [2020-10-27 15:49:06,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:49:06,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:49:06,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-27 15:49:06,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 190 [2020-10-27 15:49:06,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:49:06,863 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-27 15:49:06,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:49:06,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:49:06,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:49:06,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:49:06,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:49:06,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:49:06,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 15:49:06,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:49:06,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:49:06,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:49:06,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:49:06,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:49:07,024 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-27 15:49:07,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:49:07,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:49:07,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:49:07,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:49:07,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 15:49:07,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:49:07,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 15:49:07,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:49:07,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:49:07,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:49:07,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:49:07,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:49:07,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 15:49:07,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:49:07,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:49:07,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:49:07,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 15:49:07,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:49:07,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-27 15:49:07,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:49:07,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:49:07,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:49:07,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 15:49:07,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:49:07,212 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 25 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-27 15:49:07,213 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1219438306] [2020-10-27 15:49:07,213 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:49:07,213 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 15:49:07,213 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002636879] [2020-10-27 15:49:07,214 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 15:49:07,214 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:49:07,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 15:49:07,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:49:07,215 INFO L87 Difference]: Start difference. First operand 1012 states and 1443 transitions. Second operand 5 states. [2020-10-27 15:49:07,469 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2020-10-27 15:49:11,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:49:11,147 INFO L93 Difference]: Finished difference Result 2758 states and 4079 transitions. [2020-10-27 15:49:11,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:49:11,147 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 222 [2020-10-27 15:49:11,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:49:11,159 INFO L225 Difference]: With dead ends: 2758 [2020-10-27 15:49:11,160 INFO L226 Difference]: Without dead ends: 1867 [2020-10-27 15:49:11,163 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 15:49:11,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1867 states. [2020-10-27 15:49:11,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1867 to 1850. [2020-10-27 15:49:11,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1850 states. [2020-10-27 15:49:11,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1850 states to 1850 states and 2672 transitions. [2020-10-27 15:49:11,231 INFO L78 Accepts]: Start accepts. Automaton has 1850 states and 2672 transitions. Word has length 222 [2020-10-27 15:49:11,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:49:11,231 INFO L481 AbstractCegarLoop]: Abstraction has 1850 states and 2672 transitions. [2020-10-27 15:49:11,232 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 15:49:11,232 INFO L276 IsEmpty]: Start isEmpty. Operand 1850 states and 2672 transitions. [2020-10-27 15:49:11,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2020-10-27 15:49:11,240 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:49:11,240 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2020-10-27 15:49:11,240 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 15:49:11,241 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:49:11,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:49:11,241 INFO L82 PathProgramCache]: Analyzing trace with hash -724290179, now seen corresponding path program 1 times [2020-10-27 15:49:11,241 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:49:11,242 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1011432951] [2020-10-27 15:49:11,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:49:11,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:49:11,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:49:11,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:49:12,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:49:12,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:49:14,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:49:16,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:49:16,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 252 [2020-10-27 15:49:16,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 15:49:16,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5057 [2020-10-27 15:49:16,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:49:16,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:49:16,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-27 15:49:16,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 15:49:16,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:49:16,634 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-27 15:49:16,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:49:16,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:49:16,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:49:16,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:49:16,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:49:16,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:49:16,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 15:49:16,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:49:16,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:49:16,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:49:16,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:49:16,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:49:16,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:49:16,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:49:16,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:49:16,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:49:16,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 15:49:16,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:49:16,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 15:49:16,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:49:16,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:49:16,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:49:16,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:49:16,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:49:16,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 15:49:16,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:49:16,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:49:16,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:49:16,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 15:49:16,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:49:16,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 15:49:16,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:49:16,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:49:16,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:49:16,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 15:49:16,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:49:16,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 15:49:16,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:49:16,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:49:16,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:49:16,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 15:49:16,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:49:16,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-27 15:49:16,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:49:16,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:49:16,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 15:49:16,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 15:49:16,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:49:16,987 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 52 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-27 15:49:16,988 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1011432951] [2020-10-27 15:49:16,989 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:49:16,990 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-27 15:49:16,990 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618958861] [2020-10-27 15:49:16,991 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 15:49:16,991 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:49:16,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 15:49:16,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-27 15:49:16,993 INFO L87 Difference]: Start difference. First operand 1850 states and 2672 transitions. Second operand 7 states. [2020-10-27 15:49:17,286 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2020-10-27 15:49:19,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:49:19,270 INFO L93 Difference]: Finished difference Result 3552 states and 5222 transitions. [2020-10-27 15:49:19,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-27 15:49:19,277 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 236 [2020-10-27 15:49:19,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:49:19,288 INFO L225 Difference]: With dead ends: 3552 [2020-10-27 15:49:19,289 INFO L226 Difference]: Without dead ends: 1823 [2020-10-27 15:49:19,294 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-27 15:49:19,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1823 states. [2020-10-27 15:49:19,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1823 to 1823. [2020-10-27 15:49:19,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1823 states. [2020-10-27 15:49:19,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1823 states to 1823 states and 2568 transitions. [2020-10-27 15:49:19,355 INFO L78 Accepts]: Start accepts. Automaton has 1823 states and 2568 transitions. Word has length 236 [2020-10-27 15:49:19,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:49:19,356 INFO L481 AbstractCegarLoop]: Abstraction has 1823 states and 2568 transitions. [2020-10-27 15:49:19,356 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 15:49:19,356 INFO L276 IsEmpty]: Start isEmpty. Operand 1823 states and 2568 transitions. [2020-10-27 15:49:19,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2020-10-27 15:49:19,364 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:49:19,365 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:49:19,365 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 15:49:19,365 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:49:19,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:49:19,366 INFO L82 PathProgramCache]: Analyzing trace with hash -408428371, now seen corresponding path program 1 times [2020-10-27 15:49:19,366 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:49:19,366 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [332950679] [2020-10-27 15:49:19,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:49:19,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:49:19,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:49:19,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:49:19,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:49:20,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:49:23,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:49:23,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:49:24,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:49:24,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 265 [2020-10-27 15:49:24,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 15:49:24,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 15:49:24,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:49:24,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:49:24,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-27 15:49:24,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 190 [2020-10-27 15:49:24,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:49:24,729 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-27 15:49:24,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:49:24,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:49:24,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:49:24,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:49:24,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:49:24,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:49:24,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 15:49:24,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:49:24,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:49:24,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:49:24,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:49:24,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:49:24,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:49:24,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:49:24,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:49:24,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:49:24,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 15:49:24,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:49:24,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 15:49:24,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:49:24,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:49:24,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:49:24,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:49:24,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:49:24,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 15:49:24,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:49:24,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:49:24,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:49:24,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 15:49:24,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:49:24,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 15:49:24,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:49:24,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:49:24,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:49:24,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:49:24,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:49:24,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 15:49:24,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:49:24,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:49:24,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:49:24,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 15:49:24,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:49:24,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-27 15:49:24,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:49:24,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:49:24,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:49:24,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-27 15:49:24,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:49:25,063 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 51 proven. 3 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-10-27 15:49:25,063 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [332950679] [2020-10-27 15:49:25,063 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:49:25,064 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 15:49:25,064 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636233814] [2020-10-27 15:49:25,072 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 15:49:25,072 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:49:25,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 15:49:25,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:49:25,073 INFO L87 Difference]: Start difference. First operand 1823 states and 2568 transitions. Second operand 5 states. [2020-10-27 15:49:25,525 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2020-10-27 15:49:28,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:49:28,569 INFO L93 Difference]: Finished difference Result 5200 states and 7580 transitions. [2020-10-27 15:49:28,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:49:28,569 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 249 [2020-10-27 15:49:28,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:49:28,593 INFO L225 Difference]: With dead ends: 5200 [2020-10-27 15:49:28,594 INFO L226 Difference]: Without dead ends: 3498 [2020-10-27 15:49:28,600 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 15:49:28,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3498 states. [2020-10-27 15:49:28,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3498 to 3495. [2020-10-27 15:49:28,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3495 states. [2020-10-27 15:49:28,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3495 states to 3495 states and 4869 transitions. [2020-10-27 15:49:28,722 INFO L78 Accepts]: Start accepts. Automaton has 3495 states and 4869 transitions. Word has length 249 [2020-10-27 15:49:28,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:49:28,722 INFO L481 AbstractCegarLoop]: Abstraction has 3495 states and 4869 transitions. [2020-10-27 15:49:28,722 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 15:49:28,723 INFO L276 IsEmpty]: Start isEmpty. Operand 3495 states and 4869 transitions. [2020-10-27 15:49:28,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2020-10-27 15:49:28,736 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:49:28,737 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:49:28,737 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 15:49:28,737 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:49:28,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:49:28,738 INFO L82 PathProgramCache]: Analyzing trace with hash 13131778, now seen corresponding path program 1 times [2020-10-27 15:49:28,738 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:49:28,738 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1596133578] [2020-10-27 15:49:28,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:49:28,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:49:28,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:49:29,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:49:30,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:49:32,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:49:32,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 276 [2020-10-27 15:49:32,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 15:49:32,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3252 [2020-10-27 15:49:32,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:49:32,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:49:32,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-27 15:49:32,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 190 [2020-10-27 15:49:32,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:49:32,421 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-27 15:49:32,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:49:32,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:49:32,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:49:32,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:49:32,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:49:32,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:49:32,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 15:49:32,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:49:32,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:49:32,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:49:32,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:49:32,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:49:32,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:49:32,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:49:32,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:49:32,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:49:32,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 15:49:32,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:49:32,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 15:49:32,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:49:32,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:49:32,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:49:32,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:49:32,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:49:32,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 15:49:32,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:49:32,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:49:32,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:49:32,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-27 15:49:32,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:49:32,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-27 15:49:32,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:49:32,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:49:32,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:49:32,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-27 15:49:32,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:49:32,719 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 65 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-27 15:49:32,719 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1596133578] [2020-10-27 15:49:32,720 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:49:32,720 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 15:49:32,720 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413721990] [2020-10-27 15:49:32,721 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 15:49:32,721 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:49:32,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 15:49:32,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:49:32,722 INFO L87 Difference]: Start difference. First operand 3495 states and 4869 transitions. Second operand 5 states. [2020-10-27 15:49:33,114 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2020-10-27 15:49:36,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:49:36,372 INFO L93 Difference]: Finished difference Result 9798 states and 14061 transitions. [2020-10-27 15:49:36,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:49:36,377 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 262 [2020-10-27 15:49:36,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:49:36,421 INFO L225 Difference]: With dead ends: 9798 [2020-10-27 15:49:36,421 INFO L226 Difference]: Without dead ends: 6424 [2020-10-27 15:49:36,431 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 15:49:36,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6424 states. [2020-10-27 15:49:36,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6424 to 6421. [2020-10-27 15:49:36,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6421 states. [2020-10-27 15:49:36,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6421 states to 6421 states and 9216 transitions. [2020-10-27 15:49:36,686 INFO L78 Accepts]: Start accepts. Automaton has 6421 states and 9216 transitions. Word has length 262 [2020-10-27 15:49:36,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:49:36,687 INFO L481 AbstractCegarLoop]: Abstraction has 6421 states and 9216 transitions. [2020-10-27 15:49:36,687 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 15:49:36,687 INFO L276 IsEmpty]: Start isEmpty. Operand 6421 states and 9216 transitions. [2020-10-27 15:49:36,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2020-10-27 15:49:36,714 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:49:36,714 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:49:36,715 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 15:49:36,715 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:49:36,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:49:36,715 INFO L82 PathProgramCache]: Analyzing trace with hash -664688288, now seen corresponding path program 1 times [2020-10-27 15:49:36,716 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:49:36,716 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1005116643] [2020-10-27 15:49:36,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:49:36,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:49:36,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:49:36,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:49:37,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:49:38,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:49:38,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:49:38,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:49:39,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:49:39,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:49:41,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:49:41,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 305 [2020-10-27 15:49:41,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 15:49:41,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5033 [2020-10-27 15:49:41,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:49:41,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 15:49:41,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 109 [2020-10-27 15:49:41,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 162 [2020-10-27 15:49:41,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:49:42,250 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-27 15:49:42,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:49:42,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:49:42,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:49:42,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:49:42,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:49:42,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:49:42,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 15:49:42,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:49:42,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:49:42,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:49:42,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:49:42,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:49:42,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:49:42,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:49:42,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:49:42,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:49:42,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 15:49:42,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:49:42,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 15:49:42,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:49:42,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:49:42,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:49:42,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:49:42,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:49:42,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 15:49:42,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:49:42,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:49:42,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:49:42,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 15:49:42,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:49:42,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 15:49:42,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:49:42,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:49:42,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:49:42,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:49:42,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:49:42,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 15:49:42,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:49:42,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:49:42,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:49:42,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-27 15:49:42,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:49:42,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 184 [2020-10-27 15:49:42,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:49:42,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 15:49:42,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:49:42,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-27 15:49:42,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:49:43,261 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 89 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-10-27 15:49:43,261 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1005116643] [2020-10-27 15:49:43,261 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:49:43,261 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-27 15:49:43,262 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381943073] [2020-10-27 15:49:43,262 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 15:49:43,263 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:49:43,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 15:49:43,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-27 15:49:43,263 INFO L87 Difference]: Start difference. First operand 6421 states and 9216 transitions. Second operand 6 states. [2020-10-27 15:49:43,543 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2020-10-27 15:49:45,033 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2020-10-27 15:49:46,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:49:46,869 INFO L93 Difference]: Finished difference Result 12878 states and 18628 transitions. [2020-10-27 15:49:46,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 15:49:46,870 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 289 [2020-10-27 15:49:46,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:49:46,907 INFO L225 Difference]: With dead ends: 12878 [2020-10-27 15:49:46,907 INFO L226 Difference]: Without dead ends: 6488 [2020-10-27 15:49:46,925 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-27 15:49:46,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6488 states. [2020-10-27 15:49:47,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6488 to 6488. [2020-10-27 15:49:47,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6488 states. [2020-10-27 15:49:47,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6488 states to 6488 states and 9303 transitions. [2020-10-27 15:49:47,210 INFO L78 Accepts]: Start accepts. Automaton has 6488 states and 9303 transitions. Word has length 289 [2020-10-27 15:49:47,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:49:47,210 INFO L481 AbstractCegarLoop]: Abstraction has 6488 states and 9303 transitions. [2020-10-27 15:49:47,210 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 15:49:47,211 INFO L276 IsEmpty]: Start isEmpty. Operand 6488 states and 9303 transitions. [2020-10-27 15:49:47,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2020-10-27 15:49:47,244 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:49:47,245 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:49:47,245 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-27 15:49:47,245 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:49:47,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:49:47,246 INFO L82 PathProgramCache]: Analyzing trace with hash -1790026145, now seen corresponding path program 1 times [2020-10-27 15:49:47,246 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:49:47,247 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [357538863] [2020-10-27 15:49:47,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:49:47,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:49:47,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:49:47,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:49:49,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:49:52,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:49:52,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 340 [2020-10-27 15:49:52,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 15:49:52,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5040 [2020-10-27 15:49:52,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:49:52,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:49:52,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 146 [2020-10-27 15:49:52,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 190 [2020-10-27 15:49:52,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:49:52,858 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-27 15:49:52,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:49:52,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:49:52,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:49:52,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:49:52,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:49:52,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:49:52,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 15:49:52,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:49:52,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:49:52,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:49:52,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:49:52,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:49:52,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:49:52,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:49:52,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:49:53,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:49:53,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 15:49:53,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:49:53,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 15:49:53,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:49:53,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:49:53,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:49:53,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:49:53,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:49:53,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 15:49:53,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:49:53,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:49:53,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:49:53,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-10-27 15:49:53,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:49:53,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 225 [2020-10-27 15:49:53,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:49:53,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:49:53,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:49:53,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 118 [2020-10-27 15:49:53,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:49:53,541 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 129 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-27 15:49:53,541 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [357538863] [2020-10-27 15:49:53,541 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:49:53,541 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 15:49:53,542 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053470289] [2020-10-27 15:49:53,543 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 15:49:53,543 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:49:53,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 15:49:53,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:49:53,545 INFO L87 Difference]: Start difference. First operand 6488 states and 9303 transitions. Second operand 5 states. [2020-10-27 15:49:54,015 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-27 15:49:57,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:49:57,186 INFO L93 Difference]: Finished difference Result 16622 states and 24258 transitions. [2020-10-27 15:49:57,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:49:57,190 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 326 [2020-10-27 15:49:57,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:49:57,191 INFO L225 Difference]: With dead ends: 16622 [2020-10-27 15:49:57,191 INFO L226 Difference]: Without dead ends: 0 [2020-10-27 15:49:57,225 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 15:49:57,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-27 15:49:57,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-27 15:49:57,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-27 15:49:57,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-27 15:49:57,226 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 326 [2020-10-27 15:49:57,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:49:57,226 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-27 15:49:57,226 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 15:49:57,227 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-27 15:49:57,227 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-27 15:49:57,227 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-27 15:49:57,229 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-27 15:49:58,579 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2020-10-27 15:49:59,147 WARN L193 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 140 [2020-10-27 15:49:59,408 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 33 [2020-10-27 15:50:01,561 WARN L193 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 361 DAG size of output: 116 [2020-10-27 15:50:01,820 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 97 [2020-10-27 15:50:02,050 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-27 15:50:02,323 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 97 [2020-10-27 15:50:02,328 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-27 15:50:02,328 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-27 15:50:02,328 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-27 15:50:02,329 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-27 15:50:02,329 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-27 15:50:02,330 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= ~a21~0 |old(~a21~0)|) (= |old(#valid)| |#valid|) (= ~a0~0 |old(~a0~0)|) (= ~a7~0 |old(~a7~0)|) (= ~a5~0 |old(~a5~0)|) (= ~e~0 |old(~e~0)|) (= ~a2~0 |old(~a2~0)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~a17~0 |old(~a17~0)|) (= ~a14~0 |old(~a14~0)|) (= ~c~0 |old(~c~0)|) (= ~a23~0 |old(~a23~0)|) (= ~z~0 |old(~z~0)|) (= ~a15~0 |old(~a15~0)|) (= ~x~0 |old(~x~0)|) (= ~a22~0 |old(~a22~0)|) (= ~d~0 |old(~d~0)|) (= ~a10~0 |old(~a10~0)|) (= ~a27~0 |old(~a27~0)|) (= ~a26~0 |old(~a26~0)|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~a18~0 |old(~a18~0)|) (= ~a6~0 |old(~a6~0)|) (= ~a8~0 |old(~a8~0)|) (= ~f~0 |old(~f~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a3~0 |old(~a3~0)|) (= ~a9~0 |old(~a9~0)|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~a16~0 |old(~a16~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~y~0 |old(~y~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a25~0 |old(~a25~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~a12~0 |old(~a12~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a13~0 |old(~a13~0)|) (= ~a24~0 |old(~a24~0)|) (= ~a~0 |old(~a~0)|) (= ~a20~0 |old(~a20~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~v~0 |old(~v~0)|) (= ~b~0 |old(~b~0)|)) [2020-10-27 15:50:02,330 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-27 15:50:02,330 INFO L274 CegarLoopResult]: For program point L1621-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:50:02,330 INFO L274 CegarLoopResult]: For program point L1555-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:50:02,330 INFO L274 CegarLoopResult]: For program point L1489-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:50:02,330 INFO L274 CegarLoopResult]: For program point L763(lines 763 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,330 INFO L274 CegarLoopResult]: For program point L1622(line 1622) no Hoare annotation was computed. [2020-10-27 15:50:02,330 INFO L274 CegarLoopResult]: For program point L1556(line 1556) no Hoare annotation was computed. [2020-10-27 15:50:02,331 INFO L274 CegarLoopResult]: For program point L499(lines 499 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,331 INFO L274 CegarLoopResult]: For program point L1490(line 1490) no Hoare annotation was computed. [2020-10-27 15:50:02,331 INFO L274 CegarLoopResult]: For program point L235(lines 235 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,331 INFO L274 CegarLoopResult]: For program point L500(lines 500 513) no Hoare annotation was computed. [2020-10-27 15:50:02,331 INFO L274 CegarLoopResult]: For program point L500-2(lines 500 513) no Hoare annotation was computed. [2020-10-27 15:50:02,331 INFO L274 CegarLoopResult]: For program point L1425(lines 1425 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,331 INFO L274 CegarLoopResult]: For program point L368(lines 368 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,331 INFO L274 CegarLoopResult]: For program point L1624-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:50:02,331 INFO L274 CegarLoopResult]: For program point L1558-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:50:02,331 INFO L274 CegarLoopResult]: For program point L1492-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:50:02,331 INFO L274 CegarLoopResult]: For program point L303(lines 303 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,331 INFO L274 CegarLoopResult]: For program point L1228(lines 1228 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,331 INFO L274 CegarLoopResult]: For program point L1625(line 1625) no Hoare annotation was computed. [2020-10-27 15:50:02,332 INFO L274 CegarLoopResult]: For program point L568(lines 568 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,332 INFO L274 CegarLoopResult]: For program point L1559(line 1559) no Hoare annotation was computed. [2020-10-27 15:50:02,332 INFO L274 CegarLoopResult]: For program point L1493(line 1493) no Hoare annotation was computed. [2020-10-27 15:50:02,332 INFO L274 CegarLoopResult]: For program point L436(lines 436 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,332 INFO L274 CegarLoopResult]: For program point L1361(lines 1361 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,332 INFO L274 CegarLoopResult]: For program point L1097(lines 1097 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,332 INFO L274 CegarLoopResult]: For program point L635(lines 635 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,332 INFO L274 CegarLoopResult]: For program point L1362(lines 1362 1381) no Hoare annotation was computed. [2020-10-27 15:50:02,332 INFO L274 CegarLoopResult]: For program point L1362-2(lines 1362 1381) no Hoare annotation was computed. [2020-10-27 15:50:02,332 INFO L274 CegarLoopResult]: For program point L1164(lines 1164 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,332 INFO L274 CegarLoopResult]: For program point L107(lines 107 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,332 INFO L274 CegarLoopResult]: For program point L1627-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:50:02,332 INFO L274 CegarLoopResult]: For program point L1561-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:50:02,332 INFO L274 CegarLoopResult]: For program point L1495-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:50:02,332 INFO L274 CegarLoopResult]: For program point L240(lines 240 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,332 INFO L274 CegarLoopResult]: For program point L174(lines 174 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,332 INFO L274 CegarLoopResult]: For program point L1033(lines 1033 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,333 INFO L274 CegarLoopResult]: For program point L901(lines 901 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,333 INFO L274 CegarLoopResult]: For program point L703(lines 703 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,333 INFO L274 CegarLoopResult]: For program point L1628(line 1628) no Hoare annotation was computed. [2020-10-27 15:50:02,333 INFO L274 CegarLoopResult]: For program point L1562(line 1562) no Hoare annotation was computed. [2020-10-27 15:50:02,333 INFO L274 CegarLoopResult]: For program point L1496(line 1496) no Hoare annotation was computed. [2020-10-27 15:50:02,333 INFO L274 CegarLoopResult]: For program point L968(lines 968 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,333 INFO L274 CegarLoopResult]: For program point L771(lines 771 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,333 INFO L274 CegarLoopResult]: For program point L1630-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:50:02,333 INFO L274 CegarLoopResult]: For program point L1564-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:50:02,333 INFO L274 CegarLoopResult]: For program point L1498-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:50:02,333 INFO L274 CegarLoopResult]: For program point L838(lines 838 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,333 INFO L274 CegarLoopResult]: For program point L1631(line 1631) no Hoare annotation was computed. [2020-10-27 15:50:02,333 INFO L274 CegarLoopResult]: For program point L1565(line 1565) no Hoare annotation was computed. [2020-10-27 15:50:02,333 INFO L274 CegarLoopResult]: For program point L1499(line 1499) no Hoare annotation was computed. [2020-10-27 15:50:02,333 INFO L274 CegarLoopResult]: For program point L443(lines 443 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,333 INFO L274 CegarLoopResult]: For program point L1434(lines 1434 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,333 INFO L274 CegarLoopResult]: For program point L576(lines 576 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,333 INFO L274 CegarLoopResult]: For program point L1633-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:50:02,334 INFO L274 CegarLoopResult]: For program point L1567-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:50:02,334 INFO L274 CegarLoopResult]: For program point L1501-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:50:02,334 INFO L274 CegarLoopResult]: For program point L1634(line 1634) no Hoare annotation was computed. [2020-10-27 15:50:02,334 INFO L274 CegarLoopResult]: For program point L1568(line 1568) no Hoare annotation was computed. [2020-10-27 15:50:02,334 INFO L274 CegarLoopResult]: For program point L1502(line 1502) no Hoare annotation was computed. [2020-10-27 15:50:02,334 INFO L274 CegarLoopResult]: For program point L379(lines 379 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,334 INFO L274 CegarLoopResult]: For program point L1106(lines 1106 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,334 INFO L274 CegarLoopResult]: For program point L1040(lines 1040 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,334 INFO L274 CegarLoopResult]: For program point L380(lines 380 397) no Hoare annotation was computed. [2020-10-27 15:50:02,334 INFO L274 CegarLoopResult]: For program point L314(lines 314 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,334 INFO L274 CegarLoopResult]: For program point L380-2(lines 380 397) no Hoare annotation was computed. [2020-10-27 15:50:02,334 INFO L274 CegarLoopResult]: For program point L1239(lines 1239 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,335 INFO L274 CegarLoopResult]: For program point L116(lines 116 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,335 INFO L274 CegarLoopResult]: For program point L1041(lines 1041 1061) no Hoare annotation was computed. [2020-10-27 15:50:02,335 INFO L274 CegarLoopResult]: For program point L1041-2(lines 1041 1061) no Hoare annotation was computed. [2020-10-27 15:50:02,335 INFO L274 CegarLoopResult]: For program point L909(lines 909 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,335 INFO L274 CegarLoopResult]: For program point L711(lines 711 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,335 INFO L274 CegarLoopResult]: For program point L645(lines 645 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,335 INFO L274 CegarLoopResult]: For program point L1636-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:50:02,335 INFO L274 CegarLoopResult]: For program point L1570-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:50:02,335 INFO L274 CegarLoopResult]: For program point L1504-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:50:02,335 INFO L274 CegarLoopResult]: For program point L183(lines 183 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,336 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:50:02,336 INFO L274 CegarLoopResult]: For program point L712(lines 712 733) no Hoare annotation was computed. [2020-10-27 15:50:02,336 INFO L274 CegarLoopResult]: For program point L712-2(lines 712 733) no Hoare annotation was computed. [2020-10-27 15:50:02,336 INFO L274 CegarLoopResult]: For program point L1637(line 1637) no Hoare annotation was computed. [2020-10-27 15:50:02,336 INFO L274 CegarLoopResult]: For program point L1571(line 1571) no Hoare annotation was computed. [2020-10-27 15:50:02,336 INFO L274 CegarLoopResult]: For program point L1505(line 1505) no Hoare annotation was computed. [2020-10-27 15:50:02,336 INFO L274 CegarLoopResult]: For program point L1307(lines 1307 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,336 INFO L274 CegarLoopResult]: For program point L250(lines 250 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,336 INFO L274 CegarLoopResult]: For program point L1175(lines 1175 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,336 INFO L274 CegarLoopResult]: For program point L977(lines 977 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,336 INFO L274 CegarLoopResult]: For program point L779(lines 779 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,337 INFO L274 CegarLoopResult]: For program point L515(lines 515 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,337 INFO L274 CegarLoopResult]: For program point L846(lines 846 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,337 INFO L274 CegarLoopResult]: For program point L1639-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:50:02,337 INFO L274 CegarLoopResult]: For program point L1573-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:50:02,337 INFO L274 CegarLoopResult]: For program point L1507-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:50:02,337 INFO L274 CegarLoopResult]: For program point L1640(line 1640) no Hoare annotation was computed. [2020-10-27 15:50:02,337 INFO L274 CegarLoopResult]: For program point L1574(line 1574) no Hoare annotation was computed. [2020-10-27 15:50:02,337 INFO L274 CegarLoopResult]: For program point L1508(line 1508) no Hoare annotation was computed. [2020-10-27 15:50:02,337 INFO L274 CegarLoopResult]: For program point L452(lines 452 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,337 INFO L274 CegarLoopResult]: For program point L585(lines 585 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,338 INFO L274 CegarLoopResult]: For program point L1642-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:50:02,338 INFO L274 CegarLoopResult]: For program point L1576-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:50:02,338 INFO L274 CegarLoopResult]: For program point L1510-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:50:02,338 INFO L274 CegarLoopResult]: For program point L1444(lines 1444 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,338 INFO L274 CegarLoopResult]: For program point L321(lines 321 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,338 INFO L274 CegarLoopResult]: For program point L1114(lines 1114 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,338 INFO L274 CegarLoopResult]: For program point L57(lines 57 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,338 INFO L274 CegarLoopResult]: For program point L1643(line 1643) no Hoare annotation was computed. [2020-10-27 15:50:02,338 INFO L274 CegarLoopResult]: For program point L1577(line 1577) no Hoare annotation was computed. [2020-10-27 15:50:02,338 INFO L274 CegarLoopResult]: For program point L1511(line 1511) no Hoare annotation was computed. [2020-10-27 15:50:02,339 INFO L274 CegarLoopResult]: For program point L58(lines 58 73) no Hoare annotation was computed. [2020-10-27 15:50:02,339 INFO L274 CegarLoopResult]: For program point L58-2(lines 58 73) no Hoare annotation was computed. [2020-10-27 15:50:02,339 INFO L274 CegarLoopResult]: For program point L786(lines 786 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,339 INFO L274 CegarLoopResult]: For program point L1645-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:50:02,339 INFO L274 CegarLoopResult]: For program point L1579-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:50:02,339 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 56 1652) the Hoare annotation is: (let ((.cse3 (= ~a28~0 |old(~a28~0)|)) (.cse4 (= ~a26~0 |old(~a26~0)|)) (.cse5 (= ~a21~0 |old(~a21~0)|)) (.cse6 (= ~a6~0 |old(~a6~0)|)) (.cse7 (= ~a8~0 |old(~a8~0)|)) (.cse8 (= ~a29~0 |old(~a29~0)|)) (.cse9 (= ~a1~0 |old(~a1~0)|)) (.cse10 (= ~a19~0 |old(~a19~0)|)) (.cse11 (= ~a0~0 |old(~a0~0)|)) (.cse12 (= ~a3~0 |old(~a3~0)|)) (.cse13 (= ~a9~0 |old(~a9~0)|)) (.cse14 (= ~a7~0 |old(~a7~0)|)) (.cse15 (= ~a11~0 |old(~a11~0)|)) (.cse16 (= ~a5~0 |old(~a5~0)|)) (.cse17 (= ~a16~0 |old(~a16~0)|)) (.cse18 (= ~a4~0 |old(~a4~0)|)) (.cse19 (= ~a2~0 |old(~a2~0)|)) (.cse20 (= ~a17~0 |old(~a17~0)|)) (.cse21 (= ~a14~0 |old(~a14~0)|)) (.cse22 (= ~a25~0 |old(~a25~0)|)) (.cse23 (= ~a23~0 |old(~a23~0)|)) (.cse24 (= ~a12~0 |old(~a12~0)|)) (.cse25 (= ~a15~0 |old(~a15~0)|)) (.cse26 (= ~a13~0 |old(~a13~0)|)) (.cse27 (= ~a24~0 |old(~a24~0)|)) (.cse28 (= ~a20~0 |old(~a20~0)|)) (.cse29 (= ~a22~0 |old(~a22~0)|)) (.cse30 (= ~a10~0 |old(~a10~0)|))) (let ((.cse0 (not (= |old(~a5~0)| 1))) (.cse1 (and .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 (= ~a27~0 |old(~a27~0)|))) (.cse2 (not (= ~a18~0 1)))) (and (or .cse0 .cse1 (= |old(~a11~0)| 1) .cse2) (or .cse0 (and .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 (= ~a27~0 1) .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30) (not (= |old(~a27~0)| 1)) .cse2) (or .cse0 .cse1 (not (<= |old(~a26~0)| 1)) .cse2 (not (<= 1 |old(~a26~0)|))) (or .cse0 .cse1 (not (= |old(~a12~0)| 1)) (not (= |old(~a6~0)| 1)) .cse2) (or .cse0 .cse1 (not (= 2 |old(~a3~0)|)) .cse2)))) [2020-10-27 15:50:02,339 INFO L274 CegarLoopResult]: For program point L1513-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:50:02,340 INFO L274 CegarLoopResult]: For program point L1315(lines 1315 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,340 INFO L274 CegarLoopResult]: For program point L985(lines 985 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,340 INFO L274 CegarLoopResult]: For program point L919(lines 919 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,340 INFO L274 CegarLoopResult]: For program point L655(lines 655 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,340 INFO L274 CegarLoopResult]: For program point L1646(line 1646) no Hoare annotation was computed. [2020-10-27 15:50:02,340 INFO L274 CegarLoopResult]: For program point L1580(line 1580) no Hoare annotation was computed. [2020-10-27 15:50:02,340 INFO L274 CegarLoopResult]: For program point L1514(line 1514) no Hoare annotation was computed. [2020-10-27 15:50:02,340 INFO L274 CegarLoopResult]: For program point L259(lines 259 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,340 INFO L274 CegarLoopResult]: For program point L193(lines 193 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,340 INFO L274 CegarLoopResult]: For program point L1184(lines 1184 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,340 INFO L274 CegarLoopResult]: For program point L920(lines 920 937) no Hoare annotation was computed. [2020-10-27 15:50:02,341 INFO L274 CegarLoopResult]: For program point L920-2(lines 920 937) no Hoare annotation was computed. [2020-10-27 15:50:02,341 INFO L274 CegarLoopResult]: For program point L524(lines 524 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,341 INFO L274 CegarLoopResult]: For program point L1383(lines 1383 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,341 INFO L274 CegarLoopResult]: For program point L1251(lines 1251 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,341 INFO L274 CegarLoopResult]: For program point L194(lines 194 213) no Hoare annotation was computed. [2020-10-27 15:50:02,341 INFO L274 CegarLoopResult]: For program point L128(lines 128 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,341 INFO L274 CegarLoopResult]: For program point L194-2(lines 194 213) no Hoare annotation was computed. [2020-10-27 15:50:02,341 INFO L274 CegarLoopResult]: For program point L855(lines 855 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,341 INFO L274 CegarLoopResult]: For program point L1648-1(lines 1648 1650) no Hoare annotation was computed. [2020-10-27 15:50:02,341 INFO L274 CegarLoopResult]: For program point L1582-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:50:02,341 INFO L274 CegarLoopResult]: For program point L1516-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:50:02,342 INFO L274 CegarLoopResult]: For program point L1384(lines 1384 1402) no Hoare annotation was computed. [2020-10-27 15:50:02,342 INFO L274 CegarLoopResult]: For program point L1384-2(lines 1384 1402) no Hoare annotation was computed. [2020-10-27 15:50:02,342 INFO L274 CegarLoopResult]: For program point L1252(lines 1252 1274) no Hoare annotation was computed. [2020-10-27 15:50:02,342 INFO L274 CegarLoopResult]: For program point L1252-2(lines 1252 1274) no Hoare annotation was computed. [2020-10-27 15:50:02,342 INFO L274 CegarLoopResult]: For program point L1649(line 1649) no Hoare annotation was computed. [2020-10-27 15:50:02,342 INFO L274 CegarLoopResult]: For program point L1583(line 1583) no Hoare annotation was computed. [2020-10-27 15:50:02,342 INFO L274 CegarLoopResult]: For program point L1517(line 1517) no Hoare annotation was computed. [2020-10-27 15:50:02,342 INFO L274 CegarLoopResult]: For program point L460(lines 460 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,342 INFO L274 CegarLoopResult]: For program point L1122(lines 1122 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,342 INFO L274 CegarLoopResult]: For program point L660(lines 660 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,342 INFO L274 CegarLoopResult]: For program point L594(lines 594 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,343 INFO L274 CegarLoopResult]: For program point L1585-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:50:02,343 INFO L274 CegarLoopResult]: For program point L1519-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:50:02,343 INFO L274 CegarLoopResult]: For program point L1586(line 1586) no Hoare annotation was computed. [2020-10-27 15:50:02,343 INFO L274 CegarLoopResult]: For program point L1520(line 1520) no Hoare annotation was computed. [2020-10-27 15:50:02,343 INFO L274 CegarLoopResult]: For program point L1454(lines 1454 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,343 INFO L274 CegarLoopResult]: For program point L331(lines 331 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,343 INFO L274 CegarLoopResult]: For program point L1323(lines 1323 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,343 INFO L274 CegarLoopResult]: For program point L531(lines 531 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,343 INFO L274 CegarLoopResult]: For program point L1588-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:50:02,343 INFO L274 CegarLoopResult]: For program point L1522-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:50:02,343 INFO L274 CegarLoopResult]: For program point L399(lines 399 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,344 INFO L274 CegarLoopResult]: For program point L267(lines 267 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,344 INFO L274 CegarLoopResult]: For program point L1192(lines 1192 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,344 INFO L274 CegarLoopResult]: For program point L1589(line 1589) no Hoare annotation was computed. [2020-10-27 15:50:02,344 INFO L274 CegarLoopResult]: For program point L1523(line 1523) no Hoare annotation was computed. [2020-10-27 15:50:02,344 INFO L274 CegarLoopResult]: For program point L797(lines 797 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,344 INFO L274 CegarLoopResult]: For program point L137(lines 137 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,344 INFO L274 CegarLoopResult]: For program point L996(lines 996 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,344 INFO L274 CegarLoopResult]: For program point L1591-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:50:02,344 INFO L274 CegarLoopResult]: For program point L1525-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:50:02,344 INFO L274 CegarLoopResult]: For program point L1129(lines 1129 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,344 INFO L274 CegarLoopResult]: For program point L1063(lines 1063 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,344 INFO L274 CegarLoopResult]: For program point L865(lines 865 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,345 INFO L274 CegarLoopResult]: For program point L667(lines 667 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,345 INFO L270 CegarLoopResult]: At program point L1592(line 1592) the Hoare annotation is: (let ((.cse0 (not (= |old(~a5~0)| 1))) (.cse1 (not (= ~a18~0 1)))) (and (or .cse0 (not (= 2 |old(~a3~0)|)) .cse1) (or .cse0 (= |old(~a11~0)| 1) .cse1) (or .cse0 (not (= |old(~a27~0)| 1)) .cse1) (or .cse0 (not (<= |old(~a26~0)| 1)) .cse1 (not (<= 1 |old(~a26~0)|))) (or .cse0 (not (= |old(~a12~0)| 1)) (not (= |old(~a6~0)| 1)) .cse1))) [2020-10-27 15:50:02,345 INFO L274 CegarLoopResult]: For program point L1592-1(line 1592) no Hoare annotation was computed. [2020-10-27 15:50:02,345 INFO L274 CegarLoopResult]: For program point L1526(line 1526) no Hoare annotation was computed. [2020-10-27 15:50:02,345 INFO L274 CegarLoopResult]: For program point L469(lines 469 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,345 INFO L274 CegarLoopResult]: For program point L1328(lines 1328 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,345 INFO L274 CegarLoopResult]: For program point L470(lines 470 480) no Hoare annotation was computed. [2020-10-27 15:50:02,345 INFO L274 CegarLoopResult]: For program point L470-2(lines 470 480) no Hoare annotation was computed. [2020-10-27 15:50:02,345 INFO L274 CegarLoopResult]: For program point L735(lines 735 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,345 INFO L274 CegarLoopResult]: For program point L1594-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:50:02,346 INFO L274 CegarLoopResult]: For program point L1528-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:50:02,346 INFO L274 CegarLoopResult]: For program point L1462(lines 1462 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,346 INFO L274 CegarLoopResult]: For program point L75(lines 75 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,346 INFO L274 CegarLoopResult]: For program point L1595(line 1595) no Hoare annotation was computed. [2020-10-27 15:50:02,346 INFO L274 CegarLoopResult]: For program point L1529(line 1529) no Hoare annotation was computed. [2020-10-27 15:50:02,346 INFO L274 CegarLoopResult]: For program point L605(lines 605 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,346 INFO L274 CegarLoopResult]: For program point L407(lines 407 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,346 INFO L274 CegarLoopResult]: For program point L341(lines 341 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,346 INFO L274 CegarLoopResult]: For program point L1134(lines 1134 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,346 INFO L274 CegarLoopResult]: For program point L1068(lines 1068 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,346 INFO L274 CegarLoopResult]: For program point L870(lines 870 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,346 INFO L274 CegarLoopResult]: For program point L1597-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:50:02,347 INFO L274 CegarLoopResult]: For program point L1531-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:50:02,347 INFO L274 CegarLoopResult]: For program point L871(lines 871 889) no Hoare annotation was computed. [2020-10-27 15:50:02,347 INFO L274 CegarLoopResult]: For program point L871-2(lines 871 889) no Hoare annotation was computed. [2020-10-27 15:50:02,347 INFO L274 CegarLoopResult]: For program point L1598(line 1598) no Hoare annotation was computed. [2020-10-27 15:50:02,347 INFO L274 CegarLoopResult]: For program point L541(lines 541 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,347 INFO L274 CegarLoopResult]: For program point L1532(line 1532) no Hoare annotation was computed. [2020-10-27 15:50:02,347 INFO L274 CegarLoopResult]: For program point L1202(lines 1202 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,347 INFO L274 CegarLoopResult]: For program point L806(lines 806 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,347 INFO L274 CegarLoopResult]: For program point L278(lines 278 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,347 INFO L274 CegarLoopResult]: For program point L1005(lines 1005 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,347 INFO L274 CegarLoopResult]: For program point L939(lines 939 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,347 INFO L274 CegarLoopResult]: For program point L1600-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:50:02,347 INFO L274 CegarLoopResult]: For program point L1534-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:50:02,348 INFO L274 CegarLoopResult]: For program point L1468(lines 1468 1470) no Hoare annotation was computed. [2020-10-27 15:50:02,348 INFO L274 CegarLoopResult]: For program point L1468-2(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:50:02,348 INFO L274 CegarLoopResult]: For program point L1601(line 1601) no Hoare annotation was computed. [2020-10-27 15:50:02,348 INFO L274 CegarLoopResult]: For program point L1535(line 1535) no Hoare annotation was computed. [2020-10-27 15:50:02,348 INFO L274 CegarLoopResult]: For program point L1469(line 1469) no Hoare annotation was computed. [2020-10-27 15:50:02,348 INFO L274 CegarLoopResult]: For program point L148(lines 148 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,348 INFO L274 CegarLoopResult]: For program point L677(lines 677 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,348 INFO L274 CegarLoopResult]: For program point L1404(lines 1404 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,348 INFO L274 CegarLoopResult]: For program point L1338(lines 1338 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,348 INFO L274 CegarLoopResult]: For program point L215(lines 215 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,348 INFO L274 CegarLoopResult]: For program point L1603-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:50:02,348 INFO L274 CegarLoopResult]: For program point L1537-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:50:02,349 INFO L274 CegarLoopResult]: For program point L1471-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:50:02,349 INFO L274 CegarLoopResult]: For program point L1405(lines 1405 1423) no Hoare annotation was computed. [2020-10-27 15:50:02,349 INFO L274 CegarLoopResult]: For program point L1405-2(lines 1405 1423) no Hoare annotation was computed. [2020-10-27 15:50:02,349 INFO L274 CegarLoopResult]: For program point L84(lines 84 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,349 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:50:02,349 INFO L274 CegarLoopResult]: For program point L745(lines 745 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,349 INFO L274 CegarLoopResult]: For program point L1604(line 1604) no Hoare annotation was computed. [2020-10-27 15:50:02,349 INFO L274 CegarLoopResult]: For program point L1538(line 1538) no Hoare annotation was computed. [2020-10-27 15:50:02,349 INFO L274 CegarLoopResult]: For program point L1472(line 1472) no Hoare annotation was computed. [2020-10-27 15:50:02,349 INFO L274 CegarLoopResult]: For program point L1076(lines 1076 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,349 INFO L274 CegarLoopResult]: For program point L548(lines 548 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,350 INFO L274 CegarLoopResult]: For program point L482(lines 482 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,350 INFO L274 CegarLoopResult]: For program point L416(lines 416 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,350 INFO L274 CegarLoopResult]: For program point L350(lines 350 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,350 INFO L274 CegarLoopResult]: For program point L1606-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:50:02,350 INFO L274 CegarLoopResult]: For program point L1540-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:50:02,350 INFO L274 CegarLoopResult]: For program point L1474-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:50:02,350 INFO L274 CegarLoopResult]: For program point L1276(lines 1276 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,350 INFO L274 CegarLoopResult]: For program point L1144(lines 1144 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,350 INFO L274 CegarLoopResult]: For program point L616(lines 616 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,350 INFO L274 CegarLoopResult]: For program point L1607(line 1607) no Hoare annotation was computed. [2020-10-27 15:50:02,350 INFO L274 CegarLoopResult]: For program point L1541(line 1541) no Hoare annotation was computed. [2020-10-27 15:50:02,351 INFO L274 CegarLoopResult]: For program point L1475(line 1475) no Hoare annotation was computed. [2020-10-27 15:50:02,351 INFO L274 CegarLoopResult]: For program point L286(lines 286 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,351 INFO L274 CegarLoopResult]: For program point L1013(lines 1013 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,351 INFO L274 CegarLoopResult]: For program point L815(lines 815 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,351 INFO L274 CegarLoopResult]: For program point L1212(lines 1212 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,351 INFO L274 CegarLoopResult]: For program point L1609-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:50:02,351 INFO L274 CegarLoopResult]: For program point L1543-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:50:02,351 INFO L274 CegarLoopResult]: For program point L1477-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:50:02,351 INFO L274 CegarLoopResult]: For program point L1213(lines 1213 1226) no Hoare annotation was computed. [2020-10-27 15:50:02,351 INFO L274 CegarLoopResult]: For program point L1213-2(lines 1213 1226) no Hoare annotation was computed. [2020-10-27 15:50:02,351 INFO L274 CegarLoopResult]: For program point L949(lines 949 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,352 INFO L274 CegarLoopResult]: For program point L1610(line 1610) no Hoare annotation was computed. [2020-10-27 15:50:02,352 INFO L274 CegarLoopResult]: For program point L1544(line 1544) no Hoare annotation was computed. [2020-10-27 15:50:02,352 INFO L274 CegarLoopResult]: For program point L1478(line 1478) no Hoare annotation was computed. [2020-10-27 15:50:02,352 INFO L274 CegarLoopResult]: For program point L1346(lines 1346 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,352 INFO L274 CegarLoopResult]: For program point L157(lines 157 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,352 INFO L274 CegarLoopResult]: For program point L91(lines 91 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,352 INFO L274 CegarLoopResult]: For program point L686(lines 686 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,352 INFO L274 CegarLoopResult]: For program point L224(lines 224 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,352 INFO L274 CegarLoopResult]: For program point L687(lines 687 701) no Hoare annotation was computed. [2020-10-27 15:50:02,352 INFO L274 CegarLoopResult]: For program point L687-2(lines 687 701) no Hoare annotation was computed. [2020-10-27 15:50:02,353 INFO L274 CegarLoopResult]: For program point L1612-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:50:02,353 INFO L274 CegarLoopResult]: For program point L1546-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:50:02,353 INFO L274 CegarLoopResult]: For program point L1480-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:50:02,353 INFO L274 CegarLoopResult]: For program point L1613(line 1613) no Hoare annotation was computed. [2020-10-27 15:50:02,353 INFO L274 CegarLoopResult]: For program point L1547(line 1547) no Hoare annotation was computed. [2020-10-27 15:50:02,353 INFO L274 CegarLoopResult]: For program point L490(lines 490 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,353 INFO L274 CegarLoopResult]: For program point L1481(line 1481) no Hoare annotation was computed. [2020-10-27 15:50:02,353 INFO L274 CegarLoopResult]: For program point L424(lines 424 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,353 INFO L274 CegarLoopResult]: For program point L358(lines 358 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,353 INFO L274 CegarLoopResult]: For program point L755(lines 755 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,353 INFO L274 CegarLoopResult]: For program point L624(lines 624 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,353 INFO L274 CegarLoopResult]: For program point L558(lines 558 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,354 INFO L274 CegarLoopResult]: For program point L1615-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:50:02,354 INFO L274 CegarLoopResult]: For program point L1549-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:50:02,354 INFO L274 CegarLoopResult]: For program point L1483-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:50:02,354 INFO L274 CegarLoopResult]: For program point L294(lines 294 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,354 INFO L274 CegarLoopResult]: For program point L1285(lines 1285 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,354 INFO L274 CegarLoopResult]: For program point L1616(line 1616) no Hoare annotation was computed. [2020-10-27 15:50:02,354 INFO L274 CegarLoopResult]: For program point L1550(line 1550) no Hoare annotation was computed. [2020-10-27 15:50:02,354 INFO L274 CegarLoopResult]: For program point L1484(line 1484) no Hoare annotation was computed. [2020-10-27 15:50:02,354 INFO L274 CegarLoopResult]: For program point L1352(lines 1352 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,354 INFO L274 CegarLoopResult]: For program point L1286(lines 1286 1305) no Hoare annotation was computed. [2020-10-27 15:50:02,354 INFO L274 CegarLoopResult]: For program point L1286-2(lines 1286 1305) no Hoare annotation was computed. [2020-10-27 15:50:02,355 INFO L274 CegarLoopResult]: For program point L1154(lines 1154 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,355 INFO L274 CegarLoopResult]: For program point L97(lines 97 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,355 INFO L274 CegarLoopResult]: For program point L1088(lines 1088 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,355 INFO L274 CegarLoopResult]: For program point L1023(lines 1023 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,355 INFO L274 CegarLoopResult]: For program point L957(lines 957 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,355 INFO L274 CegarLoopResult]: For program point L891(lines 891 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,355 INFO L274 CegarLoopResult]: For program point L1618-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:50:02,355 INFO L274 CegarLoopResult]: For program point L1552-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:50:02,355 INFO L274 CegarLoopResult]: For program point L1486-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:50:02,355 INFO L274 CegarLoopResult]: For program point L1619(line 1619) no Hoare annotation was computed. [2020-10-27 15:50:02,355 INFO L274 CegarLoopResult]: For program point L1553(line 1553) no Hoare annotation was computed. [2020-10-27 15:50:02,355 INFO L274 CegarLoopResult]: For program point L1487(line 1487) no Hoare annotation was computed. [2020-10-27 15:50:02,355 INFO L274 CegarLoopResult]: For program point L166(lines 166 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,356 INFO L274 CegarLoopResult]: For program point L827(lines 827 1467) no Hoare annotation was computed. [2020-10-27 15:50:02,356 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-27 15:50:02,356 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a25~0 ~a11~0) (= ~a23~0 ~a11~0) (= ~a5~0 1) (= ~a16~0 1) (= ~a22~0 1) (= ~a11~0 ~a6~0) (= ~a0~0 1) (= ~a11~0 0) (= ~a12~0 ~a11~0) (= ~a29~0 1) (= ~a11~0 ~a19~0) (= ~a3~0 1) (= ~a4~0 1) (= ~a10~0 1) (= ~a27~0 1) (= ~a11~0 ~a7~0) (= ~a11~0 ~a8~0) (= ~a20~0 ~a11~0) (= ~a1~0 1) (= ~a18~0 1) (= ~a26~0 ~a11~0) (= ~a11~0 ~a2~0) (= ~a11~0 ~a17~0) (= ~a14~0 ~a11~0)) [2020-10-27 15:50:02,356 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-27 15:50:02,356 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-27 15:50:02,356 INFO L274 CegarLoopResult]: For program point L1665(line 1665) no Hoare annotation was computed. [2020-10-27 15:50:02,357 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 1654 1671) the Hoare annotation is: (or (not (= |old(~a11~0)| |old(~a20~0)|)) (not (= |old(~a5~0)| 1)) (not (= |old(~a2~0)| |old(~a11~0)|)) (not (= |old(~a16~0)| 1)) (not (= |old(~a7~0)| |old(~a11~0)|)) (not (= |old(~a11~0)| |old(~a17~0)|)) (not (= |old(~a27~0)| 1)) (not (= |old(~a29~0)| 1)) (not (= |old(~a3~0)| 1)) (not (= |old(~a6~0)| |old(~a11~0)|)) (not (= |old(~a11~0)| |old(~a23~0)|)) (not (= 0 |old(~a11~0)|)) (not (= ~a18~0 1)) (not (= |old(~a22~0)| 1)) (not (= |old(~a11~0)| |old(~a25~0)|)) (not (= |old(~a11~0)| |old(~a14~0)|)) (not (= |old(~a11~0)| |old(~a26~0)|)) (not (= |old(~a8~0)| |old(~a11~0)|)) (not (= |old(~a1~0)| 1)) (not (= |old(~a4~0)| 1)) (and (= ~a28~0 |old(~a28~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a0~0 1) (= ~a6~0 |old(~a6~0)|) (= ~a29~0 1) (= ~a19~0 |old(~a19~0)|) (= ~a3~0 |old(~a3~0)|) (= ~a9~0 |old(~a9~0)|) (= ~a27~0 1) (= ~a11~0 ~a7~0) (= ~a5~0 |old(~a5~0)|) (= ~a26~0 ~a11~0) (= ~a11~0 ~a2~0) (= ~a14~0 ~a11~0) (= ~a23~0 ~a11~0) (= ~a16~0 1) (= ~a25~0 |old(~a25~0)|) (= ~a12~0 ~a11~0) (= ~a15~0 |old(~a15~0)|) (= ~a4~0 1) (= ~a13~0 |old(~a13~0)|) (= ~a24~0 |old(~a24~0)|) (= ~a11~0 ~a8~0) (= ~a20~0 ~a11~0) (= ~a20~0 |old(~a20~0)|) (= ~a1~0 1) (= ~a22~0 |old(~a22~0)|) (= ~a11~0 ~a17~0) (= ~a10~0 |old(~a10~0)|)) (not (= |old(~a10~0)| 1)) (not (= |old(~a11~0)| |old(~a19~0)|)) (not (= |old(~a0~0)| 1)) (not (= |old(~a11~0)| |old(~a12~0)|))) [2020-10-27 15:50:02,357 INFO L270 CegarLoopResult]: At program point L1660-2(lines 1660 1670) the Hoare annotation is: (let ((.cse0 (= ~a5~0 |old(~a5~0)|))) (or (not (= |old(~a11~0)| |old(~a20~0)|)) (not (= |old(~a5~0)| 1)) (not (= |old(~a2~0)| |old(~a11~0)|)) (not (= |old(~a16~0)| 1)) (not (= |old(~a7~0)| |old(~a11~0)|)) (not (= |old(~a11~0)| |old(~a17~0)|)) (not (= |old(~a27~0)| 1)) (and (= ~a12~0 1) .cse0 (= ~a6~0 1)) (and .cse0 (<= 1 ~a26~0) (<= ~a26~0 1)) (not (= |old(~a29~0)| 1)) (not (= |old(~a3~0)| 1)) (not (= |old(~a6~0)| |old(~a11~0)|)) (not (= |old(~a11~0)| |old(~a23~0)|)) (not (= 0 |old(~a11~0)|)) (not (= ~a18~0 1)) (not (= |old(~a22~0)| 1)) (not (= |old(~a11~0)| |old(~a25~0)|)) (and .cse0 (not (= ~a11~0 1))) (not (= |old(~a11~0)| |old(~a14~0)|)) (and .cse0 (= 2 ~a3~0)) (and (= ~a27~0 1) .cse0) (not (= |old(~a11~0)| |old(~a26~0)|)) (not (= |old(~a8~0)| |old(~a11~0)|)) (not (= |old(~a1~0)| 1)) (not (= |old(~a4~0)| 1)) (not (= |old(~a10~0)| 1)) (not (= |old(~a11~0)| |old(~a19~0)|)) (not (= |old(~a0~0)| 1)) (not (= |old(~a11~0)| |old(~a12~0)|)))) [2020-10-27 15:50:02,357 INFO L274 CegarLoopResult]: For program point L1660-3(lines 1654 1671) no Hoare annotation was computed. [2020-10-27 15:50:02,357 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 1654 1671) no Hoare annotation was computed. [2020-10-27 15:50:02,357 INFO L270 CegarLoopResult]: At program point L1668(line 1668) the Hoare annotation is: (let ((.cse0 (= ~a5~0 |old(~a5~0)|))) (or (not (= |old(~a11~0)| |old(~a20~0)|)) (not (= |old(~a5~0)| 1)) (not (= |old(~a2~0)| |old(~a11~0)|)) (not (= |old(~a16~0)| 1)) (not (= |old(~a7~0)| |old(~a11~0)|)) (not (= |old(~a11~0)| |old(~a17~0)|)) (not (= |old(~a27~0)| 1)) (and (= ~a12~0 1) .cse0 (= ~a6~0 1)) (and .cse0 (<= 1 ~a26~0) (<= ~a26~0 1)) (not (= |old(~a29~0)| 1)) (not (= |old(~a3~0)| 1)) (not (= |old(~a6~0)| |old(~a11~0)|)) (not (= |old(~a11~0)| |old(~a23~0)|)) (not (= 0 |old(~a11~0)|)) (not (= ~a18~0 1)) (not (= |old(~a22~0)| 1)) (not (= |old(~a11~0)| |old(~a25~0)|)) (and .cse0 (not (= ~a11~0 1))) (not (= |old(~a11~0)| |old(~a14~0)|)) (and .cse0 (= 2 ~a3~0)) (and (= ~a27~0 1) .cse0) (not (= |old(~a11~0)| |old(~a26~0)|)) (not (= |old(~a8~0)| |old(~a11~0)|)) (not (= |old(~a1~0)| 1)) (not (= |old(~a4~0)| 1)) (not (= |old(~a10~0)| 1)) (not (= |old(~a11~0)| |old(~a19~0)|)) (not (= |old(~a0~0)| 1)) (not (= |old(~a11~0)| |old(~a12~0)|)))) [2020-10-27 15:50:02,358 INFO L274 CegarLoopResult]: For program point L1668-1(line 1668) no Hoare annotation was computed. [2020-10-27 15:50:02,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 03:50:02 BoogieIcfgContainer [2020-10-27 15:50:02,386 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 15:50:02,387 INFO L168 Benchmark]: Toolchain (without parser) took 114937.75 ms. Allocated memory was 156.2 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 125.2 MB in the beginning and 945.0 MB in the end (delta: -819.8 MB). Peak memory consumption was 834.2 MB. Max. memory is 8.0 GB. [2020-10-27 15:50:02,388 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 156.2 MB. Free memory is still 129.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 15:50:02,388 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1167.97 ms. Allocated memory is still 156.2 MB. Free memory was 124.5 MB in the beginning and 93.7 MB in the end (delta: 30.7 MB). Peak memory consumption was 29.8 MB. Max. memory is 8.0 GB. [2020-10-27 15:50:02,389 INFO L168 Benchmark]: Boogie Preprocessor took 227.81 ms. Allocated memory is still 156.2 MB. Free memory was 93.7 MB in the beginning and 82.7 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2020-10-27 15:50:02,390 INFO L168 Benchmark]: RCFGBuilder took 2819.33 ms. Allocated memory was 156.2 MB in the beginning and 197.1 MB in the end (delta: 40.9 MB). Free memory was 82.2 MB in the beginning and 148.6 MB in the end (delta: -66.4 MB). Peak memory consumption was 68.3 MB. Max. memory is 8.0 GB. [2020-10-27 15:50:02,393 INFO L168 Benchmark]: TraceAbstraction took 110706.65 ms. Allocated memory was 197.1 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 148.6 MB in the beginning and 945.0 MB in the end (delta: -796.4 MB). Peak memory consumption was 815.8 MB. Max. memory is 8.0 GB. [2020-10-27 15:50:02,396 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 156.2 MB. Free memory is still 129.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 1167.97 ms. Allocated memory is still 156.2 MB. Free memory was 124.5 MB in the beginning and 93.7 MB in the end (delta: 30.7 MB). Peak memory consumption was 29.8 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 227.81 ms. Allocated memory is still 156.2 MB. Free memory was 93.7 MB in the beginning and 82.7 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * RCFGBuilder took 2819.33 ms. Allocated memory was 156.2 MB in the beginning and 197.1 MB in the end (delta: 40.9 MB). Free memory was 82.2 MB in the beginning and 148.6 MB in the end (delta: -66.4 MB). Peak memory consumption was 68.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 110706.65 ms. Allocated memory was 197.1 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 148.6 MB in the beginning and 945.0 MB in the end (delta: -796.4 MB). Peak memory consumption was 815.8 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1660]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((!(\old(a11) == \old(a20)) || !(\old(a5) == 1)) || !(\old(a2) == \old(a11))) || !(\old(a16) == 1)) || !(\old(a7) == \old(a11))) || !(\old(a11) == \old(a17))) || !(\old(a27) == 1)) || ((a12 == 1 && a5 == \old(a5)) && a6 == 1)) || ((a5 == \old(a5) && 1 <= a26) && a26 <= 1)) || !(\old(a29) == 1)) || !(\old(a3) == 1)) || !(\old(a6) == \old(a11))) || !(\old(a11) == \old(a23))) || !(0 == \old(a11))) || !(a18 == 1)) || !(\old(a22) == 1)) || !(\old(a11) == \old(a25))) || (a5 == \old(a5) && !(a11 == 1))) || !(\old(a11) == \old(a14))) || (a5 == \old(a5) && 2 == a3)) || (a27 == 1 && a5 == \old(a5))) || !(\old(a11) == \old(a26))) || !(\old(a8) == \old(a11))) || !(\old(a1) == 1)) || !(\old(a4) == 1)) || !(\old(a10) == 1)) || !(\old(a11) == \old(a19))) || !(\old(a0) == 1)) || !(\old(a11) == \old(a12)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 315 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 105.4s, OverallIterations: 10, TraceHistogramMax: 4, AutomataDifference: 47.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 374 SDtfs, 4393 SDslu, 557 SDs, 0 SdLazy, 15488 SolverSat, 1653 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 28.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 149 GetRequests, 85 SyntacticMatches, 4 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 17.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6488occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 10 MinimizatonAttempts, 31 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 326 PreInvPairs, 426 NumberOfFragments, 1281 HoareAnnotationTreeSize, 326 FomulaSimplifications, 2534 FormulaSimplificationTreeSizeReduction, 1.2s HoareSimplificationTime, 9 FomulaSimplificationsInter, 11100 FormulaSimplificationTreeSizeReductionInter, 3.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 53.9s InterpolantComputationTime, 2413 NumberOfCodeBlocks, 2413 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 2403 ConstructedInterpolants, 0 QuantifiedInterpolants, 5074384 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 2 PerfectInterpolantSequences, 573/590 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...