/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_FUNCTIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loop-lit/css2003.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 14:32:43,743 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 14:32:43,749 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 14:32:43,766 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 14:32:43,766 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 14:32:43,768 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 14:32:43,771 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 14:32:43,780 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 14:32:43,783 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 14:32:43,785 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 14:32:43,786 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 14:32:43,787 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 14:32:43,788 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 14:32:43,791 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 14:32:43,794 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 14:32:43,795 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 14:32:43,797 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 14:32:43,798 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 14:32:43,799 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 14:32:43,806 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 14:32:43,811 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 14:32:43,815 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 14:32:43,816 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 14:32:43,818 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 14:32:43,820 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 14:32:43,820 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 14:32:43,820 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 14:32:43,823 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 14:32:43,823 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 14:32:43,824 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 14:32:43,824 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 14:32:43,825 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 14:32:43,826 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 14:32:43,827 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 14:32:43,828 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 14:32:43,828 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 14:32:43,828 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 14:32:43,829 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 14:32:43,829 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 14:32:43,830 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 14:32:43,831 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 14:32:43,832 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-20 14:32:43,865 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 14:32:43,866 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 14:32:43,869 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 14:32:43,869 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 14:32:43,869 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 14:32:43,870 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 14:32:43,870 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 14:32:43,870 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 14:32:43,871 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 14:32:43,871 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 14:32:43,872 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 14:32:43,873 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 14:32:43,873 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 14:32:43,873 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 14:32:43,874 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 14:32:43,874 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 14:32:43,874 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 14:32:43,874 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 14:32:43,874 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 14:32:43,876 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 14:32:43,876 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 14:32:43,877 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 14:32:43,878 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 14:32:43,879 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 14:32:43,879 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 14:32:43,879 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 14:32:43,879 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:32:43,880 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 14:32:43,880 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 14:32:43,880 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 -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_FUNCTIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 [2020-07-20 14:32:44,158 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 14:32:44,171 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 14:32:44,175 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 14:32:44,177 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 14:32:44,177 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 14:32:44,178 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-lit/css2003.i [2020-07-20 14:32:44,241 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/047b0adda/ef6234d5705f4b06950d0fc92fa46cc3/FLAGe77c8ea98 [2020-07-20 14:32:44,682 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 14:32:44,683 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/css2003.i [2020-07-20 14:32:44,696 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/047b0adda/ef6234d5705f4b06950d0fc92fa46cc3/FLAGe77c8ea98 [2020-07-20 14:32:45,042 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/047b0adda/ef6234d5705f4b06950d0fc92fa46cc3 [2020-07-20 14:32:45,051 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 14:32:45,054 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 14:32:45,055 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 14:32:45,055 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 14:32:45,059 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 14:32:45,060 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 02:32:45" (1/1) ... [2020-07-20 14:32:45,063 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@735da706 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:32:45, skipping insertion in model container [2020-07-20 14:32:45,064 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 02:32:45" (1/1) ... [2020-07-20 14:32:45,072 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 14:32:45,092 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 14:32:45,257 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 14:32:45,262 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 14:32:45,277 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 14:32:45,290 INFO L208 MainTranslator]: Completed translation [2020-07-20 14:32:45,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:32:45 WrapperNode [2020-07-20 14:32:45,291 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 14:32:45,292 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 14:32:45,292 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 14:32:45,292 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 14:32:45,302 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:32:45" (1/1) ... [2020-07-20 14:32:45,302 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:32:45" (1/1) ... [2020-07-20 14:32:45,307 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:32:45" (1/1) ... [2020-07-20 14:32:45,307 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:32:45" (1/1) ... [2020-07-20 14:32:45,310 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:32:45" (1/1) ... [2020-07-20 14:32:45,315 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:32:45" (1/1) ... [2020-07-20 14:32:45,316 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:32:45" (1/1) ... [2020-07-20 14:32:45,393 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 14:32:45,394 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 14:32:45,397 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 14:32:45,397 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 14:32:45,398 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:32:45" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2020-07-20 14:32:45,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 14:32:45,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 14:32:45,466 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-07-20 14:32:45,466 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-07-20 14:32:45,466 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 14:32:45,466 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 14:32:45,466 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-20 14:32:45,467 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-07-20 14:32:45,467 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-20 14:32:45,467 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 14:32:45,467 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 14:32:45,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 14:32:45,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 14:32:45,665 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 14:32:45,665 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-20 14:32:45,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 02:32:45 BoogieIcfgContainer [2020-07-20 14:32:45,670 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 14:32:45,680 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 14:32:45,681 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 14:32:45,687 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 14:32:45,688 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 02:32:45" (1/3) ... [2020-07-20 14:32:45,699 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ef39fb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 02:32:45, skipping insertion in model container [2020-07-20 14:32:45,700 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:32:45" (2/3) ... [2020-07-20 14:32:45,701 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ef39fb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 02:32:45, skipping insertion in model container [2020-07-20 14:32:45,704 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 02:32:45" (3/3) ... [2020-07-20 14:32:45,710 INFO L109 eAbstractionObserver]: Analyzing ICFG css2003.i [2020-07-20 14:32:45,743 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 14:32:45,759 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 14:32:45,795 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 14:32:45,818 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 14:32:45,818 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 14:32:45,819 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 14:32:45,819 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 14:32:45,819 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 14:32:45,819 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 14:32:45,819 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 14:32:45,819 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 14:32:45,838 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2020-07-20 14:32:45,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-07-20 14:32:45,845 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 14:32:45,846 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 14:32:45,846 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 14:32:45,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 14:32:45,852 INFO L82 PathProgramCache]: Analyzing trace with hash 1610750385, now seen corresponding path program 1 times [2020-07-20 14:32:45,860 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 14:32:45,861 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1434614806] [2020-07-20 14:32:45,861 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:32:45,929 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 14:32:45,929 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 14:32:45,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 14:32:45,938 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 14:32:46,055 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-20 14:32:46,058 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-20 14:32:46,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 14:32:46,091 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 14:32:46,092 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1434614806] [2020-07-20 14:32:46,092 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 14:32:46,093 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-20 14:32:46,094 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941416779] [2020-07-20 14:32:46,099 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-20 14:32:46,100 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 14:32:46,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-20 14:32:46,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-07-20 14:32:46,115 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 7 states. [2020-07-20 14:32:46,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 14:32:46,215 INFO L93 Difference]: Finished difference Result 41 states and 53 transitions. [2020-07-20 14:32:46,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 14:32:46,218 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 11 [2020-07-20 14:32:46,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 14:32:46,227 INFO L225 Difference]: With dead ends: 41 [2020-07-20 14:32:46,227 INFO L226 Difference]: Without dead ends: 21 [2020-07-20 14:32:46,231 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-20 14:32:46,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2020-07-20 14:32:46,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 20. [2020-07-20 14:32:46,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2020-07-20 14:32:46,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 20 transitions. [2020-07-20 14:32:46,268 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 20 transitions. Word has length 11 [2020-07-20 14:32:46,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 14:32:46,269 INFO L479 AbstractCegarLoop]: Abstraction has 20 states and 20 transitions. [2020-07-20 14:32:46,269 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-20 14:32:46,269 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2020-07-20 14:32:46,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-07-20 14:32:46,270 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 14:32:46,270 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 14:32:46,481 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:32:46,481 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 14:32:46,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 14:32:46,482 INFO L82 PathProgramCache]: Analyzing trace with hash 1220418797, now seen corresponding path program 1 times [2020-07-20 14:32:46,483 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 14:32:46,484 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [617791648] [2020-07-20 14:32:46,484 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:32:46,517 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 14:32:46,518 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 14:32:46,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-20 14:32:46,521 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 14:32:46,606 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-20 14:32:46,614 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-20 14:32:46,655 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 14:32:46,658 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 14:32:46,689 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:32:46,782 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-07-20 14:32:46,806 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 14:32:46,806 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [617791648] [2020-07-20 14:32:46,807 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 14:32:46,807 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 11 [2020-07-20 14:32:46,809 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540998275] [2020-07-20 14:32:46,811 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 14:32:46,812 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 14:32:46,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 14:32:46,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2020-07-20 14:32:46,814 INFO L87 Difference]: Start difference. First operand 20 states and 20 transitions. Second operand 8 states. [2020-07-20 14:32:46,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 14:32:46,882 INFO L93 Difference]: Finished difference Result 20 states and 20 transitions. [2020-07-20 14:32:46,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 14:32:46,884 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 17 [2020-07-20 14:32:46,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 14:32:46,884 INFO L225 Difference]: With dead ends: 20 [2020-07-20 14:32:46,885 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 14:32:46,886 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 21 SyntacticMatches, 4 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2020-07-20 14:32:46,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 14:32:46,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 14:32:46,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 14:32:46,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 14:32:46,887 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2020-07-20 14:32:46,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 14:32:46,888 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 14:32:46,888 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 14:32:46,888 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 14:32:46,888 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 14:32:47,097 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:32:47,101 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 14:32:47,197 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-07-20 14:32:47,198 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 14:32:47,198 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 14:32:47,198 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-07-20 14:32:47,198 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 14:32:47,198 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 14:32:47,199 INFO L268 CegarLoopResult]: For program point assume_abort_if_notENTRY(lines 3 5) no Hoare annotation was computed. [2020-07-20 14:32:47,199 INFO L268 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-07-20 14:32:47,199 INFO L268 CegarLoopResult]: For program point L4-2(lines 3 5) no Hoare annotation was computed. [2020-07-20 14:32:47,199 INFO L268 CegarLoopResult]: For program point assume_abort_if_notEXIT(lines 3 5) no Hoare annotation was computed. [2020-07-20 14:32:47,199 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 13 26) the Hoare annotation is: true [2020-07-20 14:32:47,200 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 13 26) no Hoare annotation was computed. [2020-07-20 14:32:47,200 INFO L264 CegarLoopResult]: At program point L23(line 23) the Hoare annotation is: (let ((.cse0 (+ main_~i~0 main_~k~0))) (and (<= .cse0 2) (<= 1 main_~i~0) (<= 1 .cse0))) [2020-07-20 14:32:47,200 INFO L264 CegarLoopResult]: At program point L23-1(lines 19 24) the Hoare annotation is: (let ((.cse0 (+ main_~i~0 main_~k~0))) (and (<= .cse0 2) (<= 1 main_~i~0) (<= 1 .cse0))) [2020-07-20 14:32:47,200 INFO L268 CegarLoopResult]: For program point L18(line 18) no Hoare annotation was computed. [2020-07-20 14:32:47,201 INFO L268 CegarLoopResult]: For program point L19-2(lines 19 24) no Hoare annotation was computed. [2020-07-20 14:32:47,201 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 13 26) no Hoare annotation was computed. [2020-07-20 14:32:47,201 INFO L271 CegarLoopResult]: At program point __VERIFIER_assertENTRY(lines 6 11) the Hoare annotation is: true [2020-07-20 14:32:47,201 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertEXIT(lines 6 11) no Hoare annotation was computed. [2020-07-20 14:32:47,201 INFO L268 CegarLoopResult]: For program point L8(line 8) no Hoare annotation was computed. [2020-07-20 14:32:47,202 INFO L268 CegarLoopResult]: For program point L7(lines 7 9) no Hoare annotation was computed. [2020-07-20 14:32:47,202 INFO L268 CegarLoopResult]: For program point L7-2(lines 6 11) no Hoare annotation was computed. [2020-07-20 14:32:47,202 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 8) no Hoare annotation was computed. [2020-07-20 14:32:47,220 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 02:32:47 BoogieIcfgContainer [2020-07-20 14:32:47,220 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 14:32:47,224 INFO L168 Benchmark]: Toolchain (without parser) took 2169.79 ms. Allocated memory was 138.9 MB in the beginning and 203.9 MB in the end (delta: 65.0 MB). Free memory was 103.9 MB in the beginning and 93.5 MB in the end (delta: 10.4 MB). Peak memory consumption was 75.4 MB. Max. memory is 7.1 GB. [2020-07-20 14:32:47,226 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 138.9 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-07-20 14:32:47,228 INFO L168 Benchmark]: CACSL2BoogieTranslator took 236.10 ms. Allocated memory is still 138.9 MB. Free memory was 103.5 MB in the beginning and 94.0 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2020-07-20 14:32:47,231 INFO L168 Benchmark]: Boogie Preprocessor took 101.95 ms. Allocated memory was 138.9 MB in the beginning and 203.9 MB in the end (delta: 65.0 MB). Free memory was 94.0 MB in the beginning and 184.1 MB in the end (delta: -90.0 MB). Peak memory consumption was 14.9 MB. Max. memory is 7.1 GB. [2020-07-20 14:32:47,232 INFO L168 Benchmark]: RCFGBuilder took 276.31 ms. Allocated memory is still 203.9 MB. Free memory was 184.1 MB in the beginning and 170.4 MB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 7.1 GB. [2020-07-20 14:32:47,233 INFO L168 Benchmark]: TraceAbstraction took 1540.20 ms. Allocated memory is still 203.9 MB. Free memory was 169.7 MB in the beginning and 93.5 MB in the end (delta: 76.2 MB). Peak memory consumption was 76.2 MB. Max. memory is 7.1 GB. [2020-07-20 14:32:47,244 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 138.9 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 236.10 ms. Allocated memory is still 138.9 MB. Free memory was 103.5 MB in the beginning and 94.0 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 101.95 ms. Allocated memory was 138.9 MB in the beginning and 203.9 MB in the end (delta: 65.0 MB). Free memory was 94.0 MB in the beginning and 184.1 MB in the end (delta: -90.0 MB). Peak memory consumption was 14.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 276.31 ms. Allocated memory is still 203.9 MB. Free memory was 184.1 MB in the beginning and 170.4 MB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1540.20 ms. Allocated memory is still 203.9 MB. Free memory was 169.7 MB in the beginning and 93.5 MB in the end (delta: 76.2 MB). Peak memory consumption was 76.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 8]: 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: 19]: Loop Invariant Derived loop invariant: (i + k <= 2 && 1 <= i) && 1 <= i + k - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 23 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 2, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 25 SDtfs, 14 SDslu, 97 SDs, 0 SdLazy, 52 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 46 GetRequests, 26 SyntacticMatches, 4 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20occurred in iteration=1, 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, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 9 PreInvPairs, 13 NumberOfFragments, 33 HoareAnnotationTreeSize, 9 FomulaSimplifications, 26 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 11 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 28 NumberOfCodeBlocks, 28 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 42 ConstructedInterpolants, 0 QuantifiedInterpolants, 2632 SizeOfPredicates, 5 NumberOfNonLiveVariables, 88 ConjunctsInSsa, 26 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 6/8 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...