/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --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 -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label18.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 00:45:12,512 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 00:45:12,515 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 00:45:12,557 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 00:45:12,558 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 00:45:12,569 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 00:45:12,570 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 00:45:12,575 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 00:45:12,578 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 00:45:12,581 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 00:45:12,582 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 00:45:12,583 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 00:45:12,583 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 00:45:12,586 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 00:45:12,589 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 00:45:12,590 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 00:45:12,592 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 00:45:12,592 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 00:45:12,594 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 00:45:12,600 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 00:45:12,602 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 00:45:12,602 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 00:45:12,603 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 00:45:12,604 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 00:45:12,606 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 00:45:12,607 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 00:45:12,607 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 00:45:12,608 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 00:45:12,608 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 00:45:12,609 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 00:45:12,609 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 00:45:12,610 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 00:45:12,610 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 00:45:12,611 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 00:45:12,612 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 00:45:12,612 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 00:45:12,613 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 00:45:12,613 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 00:45:12,613 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 00:45:12,614 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 00:45:12,614 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 00:45:12,615 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 [2020-10-14 00:45:12,637 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 00:45:12,637 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 00:45:12,638 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 00:45:12,638 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 00:45:12,639 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 00:45:12,639 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 00:45:12,639 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 00:45:12,639 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 00:45:12,639 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 00:45:12,640 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 00:45:12,640 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 00:45:12,640 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 00:45:12,640 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 00:45:12,640 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 00:45:12,640 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 00:45:12,641 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 00:45:12,641 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 00:45:12,641 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 00:45:12,641 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 00:45:12,641 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 00:45:12,642 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 00:45:12,642 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 00:45:12,642 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 00:45:12,642 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 00:45:12,643 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 00:45:12,643 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 00:45:12,643 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 00:45:12,643 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 00:45:12,643 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 00:45:12,643 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 00:45:12,937 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 00:45:12,949 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 00:45:12,952 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 00:45:12,954 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 00:45:12,954 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 00:45:12,955 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label18.c [2020-10-14 00:45:13,018 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/655d2b18b/16c0ed04d4fc4d8f83833767cdafa4f3/FLAG485e7ac3c [2020-10-14 00:45:13,641 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 00:45:13,641 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label18.c [2020-10-14 00:45:13,653 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/655d2b18b/16c0ed04d4fc4d8f83833767cdafa4f3/FLAG485e7ac3c [2020-10-14 00:45:13,868 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/655d2b18b/16c0ed04d4fc4d8f83833767cdafa4f3 [2020-10-14 00:45:13,878 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 00:45:13,880 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 00:45:13,882 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 00:45:13,882 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 00:45:13,886 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 00:45:13,887 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:45:13" (1/1) ... [2020-10-14 00:45:13,890 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c3c9999 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:45:13, skipping insertion in model container [2020-10-14 00:45:13,890 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:45:13" (1/1) ... [2020-10-14 00:45:13,898 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 00:45:13,952 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 00:45:14,356 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 00:45:14,361 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 00:45:14,639 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 00:45:14,658 INFO L208 MainTranslator]: Completed translation [2020-10-14 00:45:14,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:45:14 WrapperNode [2020-10-14 00:45:14,659 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 00:45:14,659 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 00:45:14,660 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 00:45:14,660 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 00:45:14,670 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:45:14" (1/1) ... [2020-10-14 00:45:14,670 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:45:14" (1/1) ... [2020-10-14 00:45:14,687 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:45:14" (1/1) ... [2020-10-14 00:45:14,688 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:45:14" (1/1) ... [2020-10-14 00:45:14,727 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:45:14" (1/1) ... [2020-10-14 00:45:14,744 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:45:14" (1/1) ... [2020-10-14 00:45:14,749 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:45:14" (1/1) ... [2020-10-14 00:45:14,757 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 00:45:14,757 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 00:45:14,757 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 00:45:14,757 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 00:45:14,758 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:45:14" (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 [2020-10-14 00:45:14,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 00:45:14,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 00:45:14,826 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-14 00:45:14,826 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 00:45:14,826 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-14 00:45:14,826 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 00:45:14,826 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 00:45:14,826 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 00:45:14,827 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 00:45:14,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 00:45:14,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 00:45:15,910 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 00:45:15,910 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 00:45:15,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:45:15 BoogieIcfgContainer [2020-10-14 00:45:15,917 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 00:45:15,918 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 00:45:15,919 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 00:45:15,922 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 00:45:15,922 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 12:45:13" (1/3) ... [2020-10-14 00:45:15,923 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@185832e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:45:15, skipping insertion in model container [2020-10-14 00:45:15,923 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:45:14" (2/3) ... [2020-10-14 00:45:15,924 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@185832e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:45:15, skipping insertion in model container [2020-10-14 00:45:15,924 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:45:15" (3/3) ... [2020-10-14 00:45:15,926 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label18.c [2020-10-14 00:45:15,937 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 00:45:15,946 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 00:45:15,960 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 00:45:15,988 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 00:45:15,988 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 00:45:15,988 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 00:45:15,988 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 00:45:15,989 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 00:45:15,989 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 00:45:15,989 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 00:45:15,989 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 00:45:16,013 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-10-14 00:45:16,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-10-14 00:45:16,029 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:45:16,030 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] [2020-10-14 00:45:16,031 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:45:16,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:45:16,037 INFO L82 PathProgramCache]: Analyzing trace with hash -427743519, now seen corresponding path program 1 times [2020-10-14 00:45:16,046 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:45:16,047 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1851178962] [2020-10-14 00:45:16,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:45:16,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:45:16,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:45:16,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:45:17,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:45:17,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 00:45:17,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 00:45:17,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1385 [2020-10-14 00:45:17,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:45:17,713 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:45:17,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 00:45:17,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 00:45:17,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-10-14 00:45:17,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-14 00:45:17,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:45:17,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:45:17,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:45:17,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:45:17,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:45:17,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:45:17,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 00:45:17,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:45:17,990 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:45:17,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:45:17,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:45:17,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 00:45:17,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:45:18,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 00:45:18,065 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1851178962] [2020-10-14 00:45:18,067 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 00:45:18,067 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-14 00:45:18,068 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192010375] [2020-10-14 00:45:18,077 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 00:45:18,077 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:45:18,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 00:45:18,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 00:45:18,096 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 5 states. [2020-10-14 00:45:19,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:45:19,731 INFO L93 Difference]: Finished difference Result 627 states and 1073 transitions. [2020-10-14 00:45:19,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 00:45:19,735 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 133 [2020-10-14 00:45:19,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:45:19,764 INFO L225 Difference]: With dead ends: 627 [2020-10-14 00:45:19,764 INFO L226 Difference]: Without dead ends: 327 [2020-10-14 00:45:19,776 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 00:45:19,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2020-10-14 00:45:19,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 319. [2020-10-14 00:45:19,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2020-10-14 00:45:19,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 480 transitions. [2020-10-14 00:45:19,883 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 480 transitions. Word has length 133 [2020-10-14 00:45:19,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:45:19,884 INFO L479 AbstractCegarLoop]: Abstraction has 319 states and 480 transitions. [2020-10-14 00:45:19,885 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 00:45:19,885 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 480 transitions. [2020-10-14 00:45:19,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-10-14 00:45:19,890 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:45:19,891 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-14 00:45:19,891 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 00:45:19,891 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:45:19,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:45:19,892 INFO L82 PathProgramCache]: Analyzing trace with hash 819619676, now seen corresponding path program 1 times [2020-10-14 00:45:19,892 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:45:19,892 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1153648088] [2020-10-14 00:45:19,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:45:19,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:45:19,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:45:19,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:45:20,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:45:21,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:45:21,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:45:21,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 158 [2020-10-14 00:45:21,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 00:45:21,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1416 [2020-10-14 00:45:21,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:45:21,336 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:45:21,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:45:21,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-14 00:45:21,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 132 [2020-10-14 00:45:21,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:45:21,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:45:21,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:45:21,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:45:21,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:45:21,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:45:21,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:45:21,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 00:45:21,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:45:21,484 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:45:21,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:45:21,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:45:21,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:45:21,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:45:21,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:45:21,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:45:21,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:45:21,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:45:21,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 00:45:21,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:45:21,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 00:45:21,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:45:21,553 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:45:21,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:45:21,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:45:21,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 00:45:21,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:45:21,604 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 00:45:21,605 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1153648088] [2020-10-14 00:45:21,605 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:45:21,606 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 00:45:21,606 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397041251] [2020-10-14 00:45:21,609 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 00:45:21,610 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:45:21,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 00:45:21,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 00:45:21,611 INFO L87 Difference]: Start difference. First operand 319 states and 480 transitions. Second operand 5 states. [2020-10-14 00:45:23,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:45:23,018 INFO L93 Difference]: Finished difference Result 946 states and 1456 transitions. [2020-10-14 00:45:23,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 00:45:23,020 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 148 [2020-10-14 00:45:23,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:45:23,027 INFO L225 Difference]: With dead ends: 946 [2020-10-14 00:45:23,027 INFO L226 Difference]: Without dead ends: 633 [2020-10-14 00:45:23,029 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 00:45:23,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 633 states. [2020-10-14 00:45:23,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 633 to 617. [2020-10-14 00:45:23,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 617 states. [2020-10-14 00:45:23,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 617 states and 889 transitions. [2020-10-14 00:45:23,068 INFO L78 Accepts]: Start accepts. Automaton has 617 states and 889 transitions. Word has length 148 [2020-10-14 00:45:23,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:45:23,069 INFO L479 AbstractCegarLoop]: Abstraction has 617 states and 889 transitions. [2020-10-14 00:45:23,069 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 00:45:23,069 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 889 transitions. [2020-10-14 00:45:23,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-10-14 00:45:23,075 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:45:23,075 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-14 00:45:23,075 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 00:45:23,076 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:45:23,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:45:23,076 INFO L82 PathProgramCache]: Analyzing trace with hash -1977398583, now seen corresponding path program 1 times [2020-10-14 00:45:23,076 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:45:23,077 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [651665105] [2020-10-14 00:45:23,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:45:23,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:45:23,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:45:23,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:45:23,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:45:24,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:45:24,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 165 [2020-10-14 00:45:24,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 00:45:24,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1061 [2020-10-14 00:45:24,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:45:24,164 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:45:24,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:45:24,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-14 00:45:24,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 132 [2020-10-14 00:45:24,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:45:24,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:45:24,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:45:24,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:45:24,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:45:24,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:45:24,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:45:24,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 00:45:24,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:45:24,281 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:45:24,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:45:24,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:45:24,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:45:24,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:45:24,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:45:24,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:45:24,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:45:24,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:45:24,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 00:45:24,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:45:24,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-14 00:45:24,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:45:24,346 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:45:24,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:45:24,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:45:24,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 00:45:24,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:45:24,429 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 00:45:24,430 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [651665105] [2020-10-14 00:45:24,430 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:45:24,430 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 00:45:24,430 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704223608] [2020-10-14 00:45:24,432 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 00:45:24,432 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:45:24,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 00:45:24,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 00:45:24,433 INFO L87 Difference]: Start difference. First operand 617 states and 889 transitions. Second operand 5 states. [2020-10-14 00:45:25,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:45:25,738 INFO L93 Difference]: Finished difference Result 1831 states and 2723 transitions. [2020-10-14 00:45:25,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 00:45:25,739 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 155 [2020-10-14 00:45:25,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:45:25,757 INFO L225 Difference]: With dead ends: 1831 [2020-10-14 00:45:25,758 INFO L226 Difference]: Without dead ends: 1220 [2020-10-14 00:45:25,762 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 00:45:25,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1220 states. [2020-10-14 00:45:25,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1220 to 1057. [2020-10-14 00:45:25,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1057 states. [2020-10-14 00:45:25,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1057 states to 1057 states and 1401 transitions. [2020-10-14 00:45:25,860 INFO L78 Accepts]: Start accepts. Automaton has 1057 states and 1401 transitions. Word has length 155 [2020-10-14 00:45:25,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:45:25,862 INFO L479 AbstractCegarLoop]: Abstraction has 1057 states and 1401 transitions. [2020-10-14 00:45:25,862 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 00:45:25,862 INFO L276 IsEmpty]: Start isEmpty. Operand 1057 states and 1401 transitions. [2020-10-14 00:45:25,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-10-14 00:45:25,877 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:45:25,878 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:45:25,878 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 00:45:25,878 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:45:25,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:45:25,879 INFO L82 PathProgramCache]: Analyzing trace with hash 838737265, now seen corresponding path program 1 times [2020-10-14 00:45:25,879 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:45:25,879 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [83841516] [2020-10-14 00:45:25,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:45:25,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:45:25,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:45:26,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:45:26,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:45:27,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:45:27,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:45:27,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 185 [2020-10-14 00:45:27,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 00:45:27,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1807 [2020-10-14 00:45:27,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:45:27,736 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:45:27,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:45:27,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-14 00:45:27,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 132 [2020-10-14 00:45:27,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:45:27,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:45:27,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:45:27,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:45:27,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:45:27,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:45:27,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:45:27,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 00:45:27,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:45:27,837 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:45:27,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:45:27,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:45:27,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:45:27,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:45:27,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:45:27,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:45:27,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:45:27,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:45:27,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-14 00:45:27,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:45:27,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-14 00:45:27,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:45:27,893 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:45:27,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:45:27,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:45:27,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-14 00:45:27,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:45:27,939 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 38 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 00:45:27,940 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [83841516] [2020-10-14 00:45:27,940 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:45:27,940 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 00:45:27,940 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61466333] [2020-10-14 00:45:27,941 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 00:45:27,941 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:45:27,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 00:45:27,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 00:45:27,942 INFO L87 Difference]: Start difference. First operand 1057 states and 1401 transitions. Second operand 5 states. [2020-10-14 00:45:29,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:45:29,230 INFO L93 Difference]: Finished difference Result 3013 states and 4133 transitions. [2020-10-14 00:45:29,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 00:45:29,231 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 175 [2020-10-14 00:45:29,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:45:29,246 INFO L225 Difference]: With dead ends: 3013 [2020-10-14 00:45:29,246 INFO L226 Difference]: Without dead ends: 1962 [2020-10-14 00:45:29,250 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 00:45:29,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1962 states. [2020-10-14 00:45:29,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1962 to 1804. [2020-10-14 00:45:29,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1804 states. [2020-10-14 00:45:29,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1804 states to 1804 states and 2388 transitions. [2020-10-14 00:45:29,341 INFO L78 Accepts]: Start accepts. Automaton has 1804 states and 2388 transitions. Word has length 175 [2020-10-14 00:45:29,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:45:29,342 INFO L479 AbstractCegarLoop]: Abstraction has 1804 states and 2388 transitions. [2020-10-14 00:45:29,342 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 00:45:29,342 INFO L276 IsEmpty]: Start isEmpty. Operand 1804 states and 2388 transitions. [2020-10-14 00:45:29,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2020-10-14 00:45:29,350 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:45:29,350 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:45:29,351 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 00:45:29,351 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:45:29,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:45:29,351 INFO L82 PathProgramCache]: Analyzing trace with hash 123274209, now seen corresponding path program 1 times [2020-10-14 00:45:29,352 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:45:29,352 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1152845134] [2020-10-14 00:45:29,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:45:29,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:45:29,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:45:29,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:45:30,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:45:30,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:45:31,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:45:34,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:45:34,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:45:34,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:45:34,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 236 [2020-10-14 00:45:34,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 00:45:34,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4988 [2020-10-14 00:45:34,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:45:34,379 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:45:34,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:45:34,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 101 [2020-10-14 00:45:34,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-10-14 00:45:34,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 00:45:34,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:45:34,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:45:34,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:45:34,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:45:34,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:45:34,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:45:34,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 00:45:34,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:45:34,567 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:45:34,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:45:34,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:45:34,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:45:34,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:45:34,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:45:34,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:45:34,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:45:34,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:45:34,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 00:45:34,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:45:34,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 00:45:34,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:45:34,599 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:45:34,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:45:34,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:45:34,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:45:34,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-14 00:45:34,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 00:45:34,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:45:34,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:45:34,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:45:34,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-14 00:45:34,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:45:34,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 104 [2020-10-14 00:45:34,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:45:34,730 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:45:34,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:45:34,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:45:34,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-14 00:45:34,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:45:34,855 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 84 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-14 00:45:34,857 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1152845134] [2020-10-14 00:45:34,857 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:45:34,858 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 00:45:34,858 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017744304] [2020-10-14 00:45:34,858 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 00:45:34,859 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:45:34,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 00:45:34,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 00:45:34,860 INFO L87 Difference]: Start difference. First operand 1804 states and 2388 transitions. Second operand 5 states. [2020-10-14 00:45:36,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:45:36,249 INFO L93 Difference]: Finished difference Result 4632 states and 6335 transitions. [2020-10-14 00:45:36,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 00:45:36,250 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 224 [2020-10-14 00:45:36,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:45:36,250 INFO L225 Difference]: With dead ends: 4632 [2020-10-14 00:45:36,251 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 00:45:36,268 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 00:45:36,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 00:45:36,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 00:45:36,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 00:45:36,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 00:45:36,269 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 224 [2020-10-14 00:45:36,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:45:36,270 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 00:45:36,270 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 00:45:36,270 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 00:45:36,271 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 00:45:36,271 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 00:45:36,275 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 00:45:36,782 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 15 [2020-10-14 00:45:36,944 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 15 [2020-10-14 00:45:37,328 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 40 [2020-10-14 00:45:37,395 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 00:45:37,396 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= ~z~0 |old(~z~0)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~a~0 |old(~a~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= ~v~0 |old(~v~0)|)) [2020-10-14 00:45:37,396 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 00:45:37,396 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:37,396 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:37,397 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:37,397 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:37,399 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:37,400 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-10-14 00:45:37,400 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-10-14 00:45:37,400 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-10-14 00:45:37,400 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-10-14 00:45:37,400 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-10-14 00:45:37,400 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-10-14 00:45:37,401 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-10-14 00:45:37,401 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-10-14 00:45:37,401 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-10-14 00:45:37,401 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-10-14 00:45:37,401 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-10-14 00:45:37,401 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-10-14 00:45:37,401 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-10-14 00:45:37,401 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:37,402 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:37,402 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:37,402 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:37,402 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-10-14 00:45:37,402 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:37,402 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-10-14 00:45:37,402 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-10-14 00:45:37,402 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-10-14 00:45:37,403 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-10-14 00:45:37,403 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-10-14 00:45:37,404 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-10-14 00:45:37,404 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-10-14 00:45:37,404 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-10-14 00:45:37,404 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-10-14 00:45:37,405 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-10-14 00:45:37,405 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-10-14 00:45:37,405 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-10-14 00:45:37,406 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-10-14 00:45:37,406 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-10-14 00:45:37,406 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-10-14 00:45:37,406 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:37,406 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:37,406 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:37,407 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:37,407 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:37,411 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 553) no Hoare annotation was computed. [2020-10-14 00:45:37,411 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-10-14 00:45:37,411 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-10-14 00:45:37,411 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-10-14 00:45:37,411 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-10-14 00:45:37,411 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-10-14 00:45:37,412 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-10-14 00:45:37,412 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-10-14 00:45:37,412 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-10-14 00:45:37,412 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-10-14 00:45:37,412 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-10-14 00:45:37,412 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-10-14 00:45:37,412 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:37,412 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:37,412 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:37,413 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:37,413 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:37,413 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-10-14 00:45:37,413 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-10-14 00:45:37,413 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-10-14 00:45:37,413 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-10-14 00:45:37,413 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-10-14 00:45:37,413 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-10-14 00:45:37,414 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-10-14 00:45:37,414 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-10-14 00:45:37,414 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-10-14 00:45:37,414 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-10-14 00:45:37,414 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-10-14 00:45:37,415 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-10-14 00:45:37,415 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-10-14 00:45:37,415 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:37,415 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:37,416 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:37,416 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:37,416 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:37,416 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-10-14 00:45:37,416 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-10-14 00:45:37,416 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-10-14 00:45:37,416 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-10-14 00:45:37,416 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-10-14 00:45:37,417 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-10-14 00:45:37,417 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-10-14 00:45:37,417 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-10-14 00:45:37,417 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-10-14 00:45:37,417 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-10-14 00:45:37,417 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-10-14 00:45:37,417 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-10-14 00:45:37,417 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-10-14 00:45:37,417 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-10-14 00:45:37,418 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-10-14 00:45:37,418 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-10-14 00:45:37,418 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:37,420 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:37,420 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:37,421 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:37,421 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-10-14 00:45:37,421 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:37,421 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-10-14 00:45:37,421 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:37,421 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-10-14 00:45:37,421 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-10-14 00:45:37,421 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-10-14 00:45:37,422 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:37,422 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:37,422 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-10-14 00:45:37,422 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-10-14 00:45:37,422 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-10-14 00:45:37,422 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-10-14 00:45:37,422 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-10-14 00:45:37,422 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-10-14 00:45:37,422 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-10-14 00:45:37,423 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-10-14 00:45:37,423 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-10-14 00:45:37,423 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-10-14 00:45:37,423 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-10-14 00:45:37,423 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:37,423 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:37,423 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:37,423 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:37,424 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:37,424 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:37,424 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-10-14 00:45:37,424 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-10-14 00:45:37,424 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-10-14 00:45:37,424 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-10-14 00:45:37,424 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-10-14 00:45:37,424 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-10-14 00:45:37,425 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-10-14 00:45:37,425 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-10-14 00:45:37,425 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-10-14 00:45:37,425 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-10-14 00:45:37,425 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-10-14 00:45:37,425 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:37,425 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:37,425 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:37,426 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:37,426 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:37,426 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:37,426 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-10-14 00:45:37,426 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-10-14 00:45:37,426 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-10-14 00:45:37,426 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-10-14 00:45:37,426 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-10-14 00:45:37,426 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-10-14 00:45:37,427 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-10-14 00:45:37,427 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-10-14 00:45:37,427 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-10-14 00:45:37,427 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-10-14 00:45:37,427 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-10-14 00:45:37,427 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-10-14 00:45:37,427 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-10-14 00:45:37,427 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-10-14 00:45:37,428 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:37,428 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:37,428 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:37,430 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse1 (= ~a28~0 |old(~a28~0)|)) (.cse2 (= ~a17~0 |old(~a17~0)|)) (.cse3 (= ~a11~0 |old(~a11~0)|)) (.cse5 (= ~a25~0 |old(~a25~0)|)) (.cse4 (= ~a19~0 |old(~a19~0)|))) (let ((.cse0 (and .cse1 .cse2 .cse3 .cse5 .cse4))) (and (or .cse0 (not (= 0 |old(~a11~0)|))) (or (not (= |old(~a25~0)| 1)) (and .cse1 .cse2 .cse3 (= ~a25~0 1) .cse4)) (or (not (= 10 |old(~a28~0)|)) (and .cse2 .cse3 .cse5 .cse4 (= ~a28~0 10))) (or (not (<= 8 |old(~a17~0)|)) .cse0) (or (not (= |old(~a19~0)| 1)) .cse0)))) [2020-10-14 00:45:37,430 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:37,430 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:37,430 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:37,430 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-10-14 00:45:37,431 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-10-14 00:45:37,431 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-10-14 00:45:37,431 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-10-14 00:45:37,431 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-10-14 00:45:37,431 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-10-14 00:45:37,431 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-10-14 00:45:37,431 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-10-14 00:45:37,431 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-10-14 00:45:37,432 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-10-14 00:45:37,432 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-10-14 00:45:37,432 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-10-14 00:45:37,432 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-10-14 00:45:37,432 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:37,432 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:37,432 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:37,433 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:37,433 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:37,433 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:37,433 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-10-14 00:45:37,433 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-10-14 00:45:37,433 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-10-14 00:45:37,433 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-10-14 00:45:37,433 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-10-14 00:45:37,433 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-10-14 00:45:37,434 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-10-14 00:45:37,434 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-10-14 00:45:37,434 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-10-14 00:45:37,434 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-10-14 00:45:37,434 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-10-14 00:45:37,434 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-10-14 00:45:37,434 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-10-14 00:45:37,435 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-10-14 00:45:37,435 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-10-14 00:45:37,435 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-10-14 00:45:37,435 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:37,435 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:37,435 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:37,435 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:37,435 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 00:45:37,435 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-10-14 00:45:37,436 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-10-14 00:45:37,436 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-10-14 00:45:37,436 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-10-14 00:45:37,436 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-10-14 00:45:37,436 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-10-14 00:45:37,436 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-10-14 00:45:37,436 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-10-14 00:45:37,437 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-10-14 00:45:37,437 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-10-14 00:45:37,437 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-10-14 00:45:37,437 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-10-14 00:45:37,437 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-10-14 00:45:37,437 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-10-14 00:45:37,437 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-10-14 00:45:37,437 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-10-14 00:45:37,438 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-10-14 00:45:37,438 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-10-14 00:45:37,438 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-10-14 00:45:37,438 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 00:45:37,438 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a19~0 1) (<= 8 ~a17~0) (= ~a11~0 0)) [2020-10-14 00:45:37,438 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 00:45:37,438 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 00:45:37,439 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= |old(~a19~0)| 1)) (not (<= 8 |old(~a17~0)|)) (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a19~0 |old(~a19~0)|)) (not (= 0 |old(~a11~0)|))) [2020-10-14 00:45:37,439 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (or (not (= |old(~a19~0)| 1)) (not (<= 8 |old(~a17~0)|)) (= ~a19~0 1) (not (= 0 |old(~a11~0)|)) (<= 8 ~a17~0) (= ~a25~0 1) (= ~a11~0 0) (= ~a28~0 10)) [2020-10-14 00:45:37,439 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-10-14 00:45:37,439 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-10-14 00:45:37,439 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (or (not (= |old(~a19~0)| 1)) (not (<= 8 |old(~a17~0)|)) (= ~a19~0 1) (not (= 0 |old(~a11~0)|)) (<= 8 ~a17~0) (= ~a25~0 1) (= ~a11~0 0) (= ~a28~0 10)) [2020-10-14 00:45:37,439 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-10-14 00:45:37,439 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-10-14 00:45:37,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 12:45:37 BoogieIcfgContainer [2020-10-14 00:45:37,470 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 00:45:37,473 INFO L168 Benchmark]: Toolchain (without parser) took 23592.05 ms. Allocated memory was 140.0 MB in the beginning and 601.9 MB in the end (delta: 461.9 MB). Free memory was 101.8 MB in the beginning and 103.1 MB in the end (delta: -1.3 MB). Peak memory consumption was 460.6 MB. Max. memory is 7.1 GB. [2020-10-14 00:45:37,474 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 140.0 MB. Free memory was 121.2 MB in the beginning and 121.0 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-14 00:45:37,476 INFO L168 Benchmark]: CACSL2BoogieTranslator took 776.87 ms. Allocated memory was 140.0 MB in the beginning and 206.0 MB in the end (delta: 66.1 MB). Free memory was 101.6 MB in the beginning and 172.8 MB in the end (delta: -71.1 MB). Peak memory consumption was 34.2 MB. Max. memory is 7.1 GB. [2020-10-14 00:45:37,482 INFO L168 Benchmark]: Boogie Preprocessor took 97.37 ms. Allocated memory is still 206.0 MB. Free memory was 172.8 MB in the beginning and 167.8 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2020-10-14 00:45:37,483 INFO L168 Benchmark]: RCFGBuilder took 1159.95 ms. Allocated memory was 206.0 MB in the beginning and 239.6 MB in the end (delta: 33.6 MB). Free memory was 167.8 MB in the beginning and 183.9 MB in the end (delta: -16.0 MB). Peak memory consumption was 82.6 MB. Max. memory is 7.1 GB. [2020-10-14 00:45:37,484 INFO L168 Benchmark]: TraceAbstraction took 21551.76 ms. Allocated memory was 239.6 MB in the beginning and 601.9 MB in the end (delta: 362.3 MB). Free memory was 182.4 MB in the beginning and 103.1 MB in the end (delta: 79.3 MB). Peak memory consumption was 441.6 MB. Max. memory is 7.1 GB. [2020-10-14 00:45:37,499 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 140.0 MB. Free memory was 121.2 MB in the beginning and 121.0 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 776.87 ms. Allocated memory was 140.0 MB in the beginning and 206.0 MB in the end (delta: 66.1 MB). Free memory was 101.6 MB in the beginning and 172.8 MB in the end (delta: -71.1 MB). Peak memory consumption was 34.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 97.37 ms. Allocated memory is still 206.0 MB. Free memory was 172.8 MB in the beginning and 167.8 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1159.95 ms. Allocated memory was 206.0 MB in the beginning and 239.6 MB in the end (delta: 33.6 MB). Free memory was 167.8 MB in the beginning and 183.9 MB in the end (delta: -16.0 MB). Peak memory consumption was 82.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 21551.76 ms. Allocated memory was 239.6 MB in the beginning and 601.9 MB in the end (delta: 362.3 MB). Free memory was 182.4 MB in the beginning and 103.1 MB in the end (delta: 79.3 MB). Peak memory consumption was 441.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 553]: 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: 606]: Loop Invariant Derived loop invariant: ((((((!(\old(a19) == 1) || !(8 <= \old(a17))) || a19 == 1) || !(0 == \old(a11))) || 8 <= a17) || a25 == 1) || a11 == 0) || a28 == 10 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 20.2s, OverallIterations: 5, TraceHistogramMax: 3, AutomataDifference: 7.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 186 SDtfs, 1752 SDslu, 182 SDs, 0 SdLazy, 3735 SolverSat, 556 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 53 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1804occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 5 MinimizatonAttempts, 345 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 53 PreInvPairs, 95 NumberOfFragments, 254 HoareAnnotationTreeSize, 53 FomulaSimplifications, 20796 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1326 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 11.9s InterpolantComputationTime, 835 NumberOfCodeBlocks, 835 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 830 ConstructedInterpolants, 0 QuantifiedInterpolants, 430959 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 162/167 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...