/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 SingleStatement --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=1.0 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-regression/test_while_int.c_1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 08:58:43,662 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 08:58:43,666 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 08:58:43,712 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 08:58:43,713 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 08:58:43,724 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 08:58:43,726 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 08:58:43,730 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 08:58:43,733 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 08:58:43,737 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 08:58:43,738 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 08:58:43,739 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 08:58:43,740 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 08:58:43,743 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 08:58:43,746 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 08:58:43,747 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 08:58:43,749 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 08:58:43,750 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 08:58:43,752 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 08:58:43,762 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 08:58:43,765 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 08:58:43,766 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 08:58:43,767 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 08:58:43,768 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 08:58:43,771 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-09-25 08:58:43,778 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 08:58:43,779 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 08:58:43,779 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 08:58:43,780 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 08:58:43,782 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 08:58:43,782 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 08:58:43,783 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 08:58:43,783 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 08:58:43,783 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 08:58:43,784 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 08:58:43,786 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 08:58:43,787 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 [2020-09-25 08:58:43,835 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 08:58:43,835 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 08:58:43,837 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 08:58:43,837 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 08:58:43,837 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 08:58:43,838 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 08:58:43,838 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 08:58:43,838 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 08:58:43,838 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 08:58:43,838 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 08:58:43,839 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 08:58:43,839 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 08:58:43,839 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 08:58:43,839 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 08:58:43,840 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 08:58:43,840 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 08:58:43,840 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 08:58:43,840 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 08:58:43,840 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 08:58:43,841 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 08:58:43,841 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 08:58:43,841 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 08:58:43,841 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 08:58:43,842 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 08:58:43,842 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 08:58:43,842 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 08:58:43,842 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 08:58:43,842 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 08:58:43,843 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 08:58:43,843 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 -> SingleStatement 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=1.0;log-additional-information=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=1.0;log-additional-information=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=1.0;log-additional-information=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=1.0;log-additional-information=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=1.0;log-additional-information=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=1.0;log-additional-information=true; [2020-09-25 08:58:44,313 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 08:58:44,332 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 08:58:44,336 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 08:58:44,338 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 08:58:44,339 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 08:58:44,340 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test_while_int.c_1.i [2020-09-25 08:58:44,418 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6b4c3164e/914cbdcda2e54e8f93de239efc7e82df/FLAGb516e4aaa [2020-09-25 08:58:44,917 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 08:58:44,918 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-regression/test_while_int.c_1.i [2020-09-25 08:58:44,926 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6b4c3164e/914cbdcda2e54e8f93de239efc7e82df/FLAGb516e4aaa [2020-09-25 08:58:45,258 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6b4c3164e/914cbdcda2e54e8f93de239efc7e82df [2020-09-25 08:58:45,274 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 08:58:45,279 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 08:58:45,280 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 08:58:45,281 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 08:58:45,285 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 08:58:45,287 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 08:58:45" (1/1) ... [2020-09-25 08:58:45,292 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3705ef2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:58:45, skipping insertion in model container [2020-09-25 08:58:45,292 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 08:58:45" (1/1) ... [2020-09-25 08:58:45,302 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 08:58:45,328 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 08:58:45,609 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 08:58:45,614 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 08:58:45,630 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 08:58:45,646 INFO L208 MainTranslator]: Completed translation [2020-09-25 08:58:45,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:58:45 WrapperNode [2020-09-25 08:58:45,647 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 08:58:45,648 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 08:58:45,649 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 08:58:45,649 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 08:58:45,664 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:58:45" (1/1) ... [2020-09-25 08:58:45,664 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:58:45" (1/1) ... [2020-09-25 08:58:45,671 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:58:45" (1/1) ... [2020-09-25 08:58:45,671 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:58:45" (1/1) ... [2020-09-25 08:58:45,675 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:58:45" (1/1) ... [2020-09-25 08:58:45,682 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:58:45" (1/1) ... [2020-09-25 08:58:45,683 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:58:45" (1/1) ... [2020-09-25 08:58:45,765 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 08:58:45,766 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 08:58:45,766 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 08:58:45,767 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 08:58:45,769 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:58:45" (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 [2020-09-25 08:58:45,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 08:58:45,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 08:58:45,851 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2020-09-25 08:58:45,851 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 08:58:45,852 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 08:58:45,852 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2020-09-25 08:58:45,852 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 08:58:45,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 08:58:45,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 08:58:46,035 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 08:58:46,035 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-25 08:58:46,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 08:58:46 BoogieIcfgContainer [2020-09-25 08:58:46,040 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 08:58:46,042 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 08:58:46,042 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 08:58:46,046 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 08:58:46,046 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 08:58:45" (1/3) ... [2020-09-25 08:58:46,047 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@379d7383 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 08:58:46, skipping insertion in model container [2020-09-25 08:58:46,047 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:58:45" (2/3) ... [2020-09-25 08:58:46,048 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@379d7383 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 08:58:46, skipping insertion in model container [2020-09-25 08:58:46,048 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 08:58:46" (3/3) ... [2020-09-25 08:58:46,051 INFO L109 eAbstractionObserver]: Analyzing ICFG test_while_int.c_1.i [2020-09-25 08:58:46,060 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 08:58:46,071 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 08:58:46,092 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 08:58:46,122 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 08:58:46,122 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 08:58:46,123 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 08:58:46,123 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 08:58:46,123 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 08:58:46,123 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 08:58:46,123 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 08:58:46,124 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 08:58:46,142 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states. [2020-09-25 08:58:46,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-09-25 08:58:46,149 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:58:46,150 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 08:58:46,150 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:58:46,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:58:46,158 INFO L82 PathProgramCache]: Analyzing trace with hash 1457192654, now seen corresponding path program 1 times [2020-09-25 08:58:46,167 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:58:46,167 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1075680943] [2020-09-25 08:58:46,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:58:46,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:58:46,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:58:46,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:58:46,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 08:58:46,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:58:46,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-09-25 08:58:46,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:58:46,343 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:58:46,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 08:58:46,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 08:58:46,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 08:58:46,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 08:58:46,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:58:46,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:58:46,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:58:46,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:58:46,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:58:46,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:58:46,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 08:58:46,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:58:46,451 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:58:46,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:58:46,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:58:46,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:58:46,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 08:58:46,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 08:58:46,479 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1075680943] [2020-09-25 08:58:46,485 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:58:46,486 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 08:58:46,487 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274523995] [2020-09-25 08:58:46,502 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 08:58:46,503 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:58:46,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 08:58:46,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 08:58:46,557 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 5 states. [2020-09-25 08:58:46,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:58:46,693 INFO L93 Difference]: Finished difference Result 41 states and 51 transitions. [2020-09-25 08:58:46,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-25 08:58:46,695 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2020-09-25 08:58:46,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:58:46,705 INFO L225 Difference]: With dead ends: 41 [2020-09-25 08:58:46,705 INFO L226 Difference]: Without dead ends: 21 [2020-09-25 08:58:46,709 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 08:58:46,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2020-09-25 08:58:46,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 18. [2020-09-25 08:58:46,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2020-09-25 08:58:46,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2020-09-25 08:58:46,753 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 12 [2020-09-25 08:58:46,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:58:46,754 INFO L479 AbstractCegarLoop]: Abstraction has 18 states and 18 transitions. [2020-09-25 08:58:46,754 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 08:58:46,754 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2020-09-25 08:58:46,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-09-25 08:58:46,755 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:58:46,755 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 08:58:46,756 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 08:58:46,756 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:58:46,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:58:46,757 INFO L82 PathProgramCache]: Analyzing trace with hash -630240860, now seen corresponding path program 1 times [2020-09-25 08:58:46,757 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:58:46,757 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1559291435] [2020-09-25 08:58:46,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:58:46,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:58:46,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:58:46,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:58:46,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-25 08:58:46,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:58:46,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-09-25 08:58:46,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:58:46,813 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:58:46,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 08:58:46,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 08:58:46,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 08:58:46,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:58:46,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:58:46,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:58:46,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:58:46,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:58:46,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:58:46,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:58:46,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:58:46,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:58:46,908 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:58:46,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:58:46,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:58:46,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:58:46,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:58:46,914 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 08:58:46,915 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1559291435] [2020-09-25 08:58:46,915 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 08:58:46,915 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-25 08:58:46,916 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166222734] [2020-09-25 08:58:46,918 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 08:58:46,918 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:58:46,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 08:58:46,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-09-25 08:58:46,919 INFO L87 Difference]: Start difference. First operand 18 states and 18 transitions. Second operand 7 states. [2020-09-25 08:58:47,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:58:47,029 INFO L93 Difference]: Finished difference Result 29 states and 29 transitions. [2020-09-25 08:58:47,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-25 08:58:47,030 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 17 [2020-09-25 08:58:47,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:58:47,031 INFO L225 Difference]: With dead ends: 29 [2020-09-25 08:58:47,031 INFO L226 Difference]: Without dead ends: 26 [2020-09-25 08:58:47,033 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2020-09-25 08:58:47,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2020-09-25 08:58:47,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 23. [2020-09-25 08:58:47,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-09-25 08:58:47,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 23 transitions. [2020-09-25 08:58:47,039 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 23 transitions. Word has length 17 [2020-09-25 08:58:47,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:58:47,040 INFO L479 AbstractCegarLoop]: Abstraction has 23 states and 23 transitions. [2020-09-25 08:58:47,040 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 08:58:47,040 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 23 transitions. [2020-09-25 08:58:47,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-09-25 08:58:47,041 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:58:47,041 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 08:58:47,042 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 08:58:47,042 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:58:47,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:58:47,042 INFO L82 PathProgramCache]: Analyzing trace with hash 656823438, now seen corresponding path program 2 times [2020-09-25 08:58:47,043 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:58:47,043 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1609845307] [2020-09-25 08:58:47,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:58:47,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-25 08:58:47,058 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-25 08:58:47,058 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-25 08:58:47,064 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 08:58:47,080 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 08:58:47 BoogieIcfgContainer [2020-09-25 08:58:47,080 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-25 08:58:47,084 INFO L168 Benchmark]: Toolchain (without parser) took 1806.53 ms. Allocated memory was 140.0 MB in the beginning and 203.4 MB in the end (delta: 63.4 MB). Free memory was 103.4 MB in the beginning and 117.6 MB in the end (delta: -14.3 MB). Peak memory consumption was 49.2 MB. Max. memory is 7.1 GB. [2020-09-25 08:58:47,085 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-25 08:58:47,086 INFO L168 Benchmark]: CACSL2BoogieTranslator took 367.55 ms. Allocated memory is still 140.0 MB. Free memory was 102.7 MB in the beginning and 93.1 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2020-09-25 08:58:47,087 INFO L168 Benchmark]: Boogie Preprocessor took 117.46 ms. Allocated memory was 140.0 MB in the beginning and 203.4 MB in the end (delta: 63.4 MB). Free memory was 93.1 MB in the beginning and 183.5 MB in the end (delta: -90.4 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. [2020-09-25 08:58:47,088 INFO L168 Benchmark]: RCFGBuilder took 274.37 ms. Allocated memory is still 203.4 MB. Free memory was 183.5 MB in the beginning and 171.8 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. [2020-09-25 08:58:47,089 INFO L168 Benchmark]: TraceAbstraction took 1038.67 ms. Allocated memory is still 203.4 MB. Free memory was 171.1 MB in the beginning and 117.6 MB in the end (delta: 53.5 MB). Peak memory consumption was 53.5 MB. Max. memory is 7.1 GB. [2020-09-25 08:58:47,094 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 367.55 ms. Allocated memory is still 140.0 MB. Free memory was 102.7 MB in the beginning and 93.1 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 117.46 ms. Allocated memory was 140.0 MB in the beginning and 203.4 MB in the end (delta: 63.4 MB). Free memory was 93.1 MB in the beginning and 183.5 MB in the end (delta: -90.4 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 274.37 ms. Allocated memory is still 203.4 MB. Free memory was 183.5 MB in the beginning and 171.8 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1038.67 ms. Allocated memory is still 203.4 MB. Free memory was 171.1 MB in the beginning and 117.6 MB in the end (delta: 53.5 MB). Peak memory consumption was 53.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 6]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L12] int i=0; [L13] COND TRUE i<5 [L14] i++ [L16] (i!=3) ? (0) : __blast_assert () [L13] COND TRUE i<5 [L14] i++ [L16] (i!=3) ? (0) : __blast_assert () [L13] COND TRUE i<5 [L14] i++ [L16] (i!=3) ? (0) : __blast_assert () [L16] CALL __blast_assert () [L6] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 20 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.9s, OverallIterations: 3, TraceHistogramMax: 3, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 23 SDtfs, 13 SDslu, 72 SDs, 0 SdLazy, 50 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 6 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 51 NumberOfCodeBlocks, 51 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 27 ConstructedInterpolants, 0 QuantifiedInterpolants, 807 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 0/5 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 incorrect! Received shutdown request...