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 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/array-examples/data_structures_set_multi_proc_ground-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 19:52:59,732 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 19:52:59,734 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 19:52:59,748 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 19:52:59,748 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 19:52:59,749 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 19:52:59,751 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 19:52:59,753 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 19:52:59,754 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 19:52:59,755 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 19:52:59,756 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 19:52:59,757 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 19:52:59,758 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 19:52:59,759 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 19:52:59,760 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 19:52:59,761 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 19:52:59,762 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 19:52:59,762 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 19:52:59,764 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 19:52:59,766 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 19:52:59,768 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 19:52:59,769 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 19:52:59,770 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 19:52:59,773 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 19:52:59,775 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-13 19:52:59,787 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 19:52:59,788 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 19:52:59,788 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 19:52:59,789 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 [2019-10-13 19:52:59,806 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 19:52:59,806 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 19:52:59,807 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 19:52:59,807 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 19:52:59,807 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 19:52:59,808 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 19:52:59,808 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 19:52:59,808 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 19:52:59,808 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 19:52:59,808 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 19:52:59,809 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 19:52:59,809 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 19:52:59,809 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 19:52:59,809 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 19:52:59,809 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 19:52:59,810 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 19:52:59,810 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 19:52:59,810 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 19:52:59,810 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 19:52:59,810 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 19:52:59,811 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 19:52:59,811 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 19:52:59,811 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 19:52:59,811 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 19:52:59,811 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 19:52:59,812 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 19:52:59,812 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 19:52:59,812 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 19:52:59,812 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-13 19:53:00,079 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 19:53:00,092 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 19:53:00,096 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 19:53:00,097 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 19:53:00,098 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 19:53:00,098 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-examples/data_structures_set_multi_proc_ground-2.i [2019-10-13 19:53:00,160 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b58ebddf/1df7bb0705784e3f8a635610f84c2ecb/FLAGff99bf5fe [2019-10-13 19:53:00,632 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 19:53:00,633 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-examples/data_structures_set_multi_proc_ground-2.i [2019-10-13 19:53:00,640 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b58ebddf/1df7bb0705784e3f8a635610f84c2ecb/FLAGff99bf5fe [2019-10-13 19:53:01,015 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b58ebddf/1df7bb0705784e3f8a635610f84c2ecb [2019-10-13 19:53:01,025 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 19:53:01,026 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 19:53:01,027 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 19:53:01,027 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 19:53:01,031 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 19:53:01,032 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:53:01" (1/1) ... [2019-10-13 19:53:01,035 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c472977 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:53:01, skipping insertion in model container [2019-10-13 19:53:01,035 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:53:01" (1/1) ... [2019-10-13 19:53:01,043 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 19:53:01,063 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 19:53:01,305 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:53:01,324 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 19:53:01,432 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:53:01,452 INFO L192 MainTranslator]: Completed translation [2019-10-13 19:53:01,452 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:53:01 WrapperNode [2019-10-13 19:53:01,452 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 19:53:01,453 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 19:53:01,453 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 19:53:01,453 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 19:53:01,463 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:53:01" (1/1) ... [2019-10-13 19:53:01,464 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:53:01" (1/1) ... [2019-10-13 19:53:01,472 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:53:01" (1/1) ... [2019-10-13 19:53:01,473 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:53:01" (1/1) ... [2019-10-13 19:53:01,482 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:53:01" (1/1) ... [2019-10-13 19:53:01,489 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:53:01" (1/1) ... [2019-10-13 19:53:01,491 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:53:01" (1/1) ... [2019-10-13 19:53:01,494 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 19:53:01,495 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 19:53:01,495 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 19:53:01,495 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 19:53:01,496 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:53:01" (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 [2019-10-13 19:53:01,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 19:53:01,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 19:53:01,559 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-13 19:53:01,559 INFO L138 BoogieDeclarations]: Found implementation of procedure insert [2019-10-13 19:53:01,559 INFO L138 BoogieDeclarations]: Found implementation of procedure elem_exists [2019-10-13 19:53:01,559 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 19:53:01,560 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 19:53:01,560 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-13 19:53:01,560 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 19:53:01,560 INFO L130 BoogieDeclarations]: Found specification of procedure insert [2019-10-13 19:53:01,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 19:53:01,560 INFO L130 BoogieDeclarations]: Found specification of procedure elem_exists [2019-10-13 19:53:01,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 19:53:01,561 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 19:53:01,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 19:53:01,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 19:53:01,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 19:53:01,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 19:53:01,940 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 19:53:01,940 INFO L284 CfgBuilder]: Removed 8 assume(true) statements. [2019-10-13 19:53:01,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:53:01 BoogieIcfgContainer [2019-10-13 19:53:01,942 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 19:53:01,945 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 19:53:01,945 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 19:53:01,948 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 19:53:01,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:53:01" (1/3) ... [2019-10-13 19:53:01,950 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a67ab71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:53:01, skipping insertion in model container [2019-10-13 19:53:01,952 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:53:01" (2/3) ... [2019-10-13 19:53:01,954 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a67ab71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:53:01, skipping insertion in model container [2019-10-13 19:53:01,954 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:53:01" (3/3) ... [2019-10-13 19:53:01,956 INFO L109 eAbstractionObserver]: Analyzing ICFG data_structures_set_multi_proc_ground-2.i [2019-10-13 19:53:01,967 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 19:53:01,976 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 19:53:01,988 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 19:53:02,013 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 19:53:02,013 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 19:53:02,013 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 19:53:02,013 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 19:53:02,013 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 19:53:02,014 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 19:53:02,014 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 19:53:02,014 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 19:53:02,030 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states. [2019-10-13 19:53:02,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-10-13 19:53:02,035 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:53:02,036 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 19:53:02,038 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:53:02,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:53:02,043 INFO L82 PathProgramCache]: Analyzing trace with hash 1780536170, now seen corresponding path program 1 times [2019-10-13 19:53:02,049 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 19:53:02,050 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423221610] [2019-10-13 19:53:02,050 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:53:02,050 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:53:02,050 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:53:02,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:53:02,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 19:53:02,208 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423221610] [2019-10-13 19:53:02,209 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:53:02,210 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 19:53:02,210 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787375058] [2019-10-13 19:53:02,215 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 19:53:02,216 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 19:53:02,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 19:53:02,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 19:53:02,229 INFO L87 Difference]: Start difference. First operand 54 states. Second operand 3 states. [2019-10-13 19:53:02,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:53:02,338 INFO L93 Difference]: Finished difference Result 129 states and 190 transitions. [2019-10-13 19:53:02,338 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 19:53:02,340 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2019-10-13 19:53:02,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:53:02,352 INFO L225 Difference]: With dead ends: 129 [2019-10-13 19:53:02,352 INFO L226 Difference]: Without dead ends: 75 [2019-10-13 19:53:02,357 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 19:53:02,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2019-10-13 19:53:02,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 50. [2019-10-13 19:53:02,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2019-10-13 19:53:02,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 60 transitions. [2019-10-13 19:53:02,419 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 60 transitions. Word has length 14 [2019-10-13 19:53:02,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:53:02,420 INFO L462 AbstractCegarLoop]: Abstraction has 50 states and 60 transitions. [2019-10-13 19:53:02,420 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 19:53:02,420 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 60 transitions. [2019-10-13 19:53:02,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-13 19:53:02,422 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:53:02,423 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 19:53:02,423 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:53:02,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:53:02,424 INFO L82 PathProgramCache]: Analyzing trace with hash 2111973388, now seen corresponding path program 1 times [2019-10-13 19:53:02,424 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 19:53:02,424 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262947794] [2019-10-13 19:53:02,425 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:53:02,425 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:53:02,425 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:53:02,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:53:02,505 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 19:53:02,506 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262947794] [2019-10-13 19:53:02,506 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1339952111] [2019-10-13 19:53:02,508 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 19:53:02,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:53:02,563 INFO L256 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-13 19:53:02,570 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 19:53:02,599 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 19:53:02,599 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 19:53:02,637 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 19:53:02,638 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [1345617771] [2019-10-13 19:53:02,655 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 17 [2019-10-13 19:53:02,701 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-13 19:53:02,701 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-13 19:53:02,784 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-13 19:53:02,786 INFO L272 AbstractInterpreter]: Visited 6 different actions 6 times. Never merged. Never widened. Performed 16 root evaluator evaluations with a maximum evaluation depth of 0. Performed 16 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 21 variables. [2019-10-13 19:53:02,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:53:02,791 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-13 19:53:02,831 INFO L227 lantSequenceWeakener]: Weakened 4 states. On average, predicates are now at 100% of their original sizes. [2019-10-13 19:53:02,832 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-10-13 19:53:02,833 INFO L553 sIntCurrentIteration]: We unified 15 AI predicates to 15 [2019-10-13 19:53:02,833 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-13 19:53:02,834 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-10-13 19:53:02,834 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4, 4, 4] total 7 [2019-10-13 19:53:02,835 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726041040] [2019-10-13 19:53:02,836 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 19:53:02,837 INFO L137 tionRefinementEngine]: Using predicate unifier AbsIntPredicateUnifier provided by strategy TAIPAN [2019-10-13 19:53:02,837 INFO L124 tionRefinementEngine]: Using hoare triple checker CachingHoareTripleCheckerMap provided by strategy [2019-10-13 19:53:02,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 19:53:02,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 19:53:02,838 INFO L87 Difference]: Start difference. First operand 50 states and 60 transitions. Second operand 2 states. [2019-10-13 19:53:02,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:53:02,843 INFO L93 Difference]: Finished difference Result 50 states and 60 transitions. [2019-10-13 19:53:02,843 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 19:53:02,843 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-10-13 19:53:02,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:53:02,845 INFO L225 Difference]: With dead ends: 50 [2019-10-13 19:53:02,845 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 19:53:02,846 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 19:53:02,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 19:53:02,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 19:53:02,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 19:53:02,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 19:53:02,849 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2019-10-13 19:53:02,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:53:02,850 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 19:53:02,850 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 19:53:02,850 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 19:53:02,850 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 19:53:03,061 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 19:53:03,067 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 19:53:03,112 INFO L446 ceAbstractionStarter]: At program point elem_existsENTRY(lines 9 15) the Hoare annotation is: true [2019-10-13 19:53:03,112 INFO L443 ceAbstractionStarter]: For program point elem_existsEXIT(lines 9 15) no Hoare annotation was computed. [2019-10-13 19:53:03,112 INFO L443 ceAbstractionStarter]: For program point L12(line 12) no Hoare annotation was computed. [2019-10-13 19:53:03,112 INFO L443 ceAbstractionStarter]: For program point L11-2(lines 11 13) no Hoare annotation was computed. [2019-10-13 19:53:03,112 INFO L443 ceAbstractionStarter]: For program point elem_existsFINAL(lines 9 15) no Hoare annotation was computed. [2019-10-13 19:53:03,113 INFO L446 ceAbstractionStarter]: At program point L11-3(lines 11 13) the Hoare annotation is: true [2019-10-13 19:53:03,113 INFO L443 ceAbstractionStarter]: For program point L11-4(lines 11 13) no Hoare annotation was computed. [2019-10-13 19:53:03,113 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 19:53:03,113 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-10-13 19:53:03,113 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 19:53:03,114 INFO L446 ceAbstractionStarter]: At program point insertENTRY(lines 5 8) the Hoare annotation is: true [2019-10-13 19:53:03,114 INFO L443 ceAbstractionStarter]: For program point insertFINAL(lines 5 8) no Hoare annotation was computed. [2019-10-13 19:53:03,114 INFO L443 ceAbstractionStarter]: For program point insertEXIT(lines 5 8) no Hoare annotation was computed. [2019-10-13 19:53:03,114 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 19:53:03,116 INFO L446 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2019-10-13 19:53:03,116 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 19:53:03,116 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 19:53:03,116 INFO L443 ceAbstractionStarter]: For program point L35-2(lines 35 38) no Hoare annotation was computed. [2019-10-13 19:53:03,116 INFO L439 ceAbstractionStarter]: At program point L35-3(lines 35 38) the Hoare annotation is: false [2019-10-13 19:53:03,117 INFO L443 ceAbstractionStarter]: For program point L35-4(lines 35 38) no Hoare annotation was computed. [2019-10-13 19:53:03,117 INFO L443 ceAbstractionStarter]: For program point L27-2(lines 27 31) no Hoare annotation was computed. [2019-10-13 19:53:03,117 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 16 51) no Hoare annotation was computed. [2019-10-13 19:53:03,117 INFO L439 ceAbstractionStarter]: At program point L27-3(lines 27 31) the Hoare annotation is: false [2019-10-13 19:53:03,117 INFO L443 ceAbstractionStarter]: For program point L27-4(lines 27 31) no Hoare annotation was computed. [2019-10-13 19:53:03,117 INFO L443 ceAbstractionStarter]: For program point L40-2(lines 40 44) no Hoare annotation was computed. [2019-10-13 19:53:03,118 INFO L439 ceAbstractionStarter]: At program point L40-3(lines 40 44) the Hoare annotation is: false [2019-10-13 19:53:03,118 INFO L443 ceAbstractionStarter]: For program point L40-4(lines 40 44) no Hoare annotation was computed. [2019-10-13 19:53:03,118 INFO L443 ceAbstractionStarter]: For program point L28-2(lines 28 30) no Hoare annotation was computed. [2019-10-13 19:53:03,118 INFO L439 ceAbstractionStarter]: At program point L28-3(lines 28 30) the Hoare annotation is: false [2019-10-13 19:53:03,118 INFO L443 ceAbstractionStarter]: For program point L45-2(lines 45 49) no Hoare annotation was computed. [2019-10-13 19:53:03,118 INFO L439 ceAbstractionStarter]: At program point L45-3(lines 45 49) the Hoare annotation is: false [2019-10-13 19:53:03,119 INFO L439 ceAbstractionStarter]: At program point L41(line 41) the Hoare annotation is: false [2019-10-13 19:53:03,119 INFO L443 ceAbstractionStarter]: For program point L45-4(lines 45 49) no Hoare annotation was computed. [2019-10-13 19:53:03,119 INFO L443 ceAbstractionStarter]: For program point L41-1(line 41) no Hoare annotation was computed. [2019-10-13 19:53:03,119 INFO L443 ceAbstractionStarter]: For program point L41-2(lines 41 43) no Hoare annotation was computed. [2019-10-13 19:53:03,120 INFO L439 ceAbstractionStarter]: At program point L29(line 29) the Hoare annotation is: false [2019-10-13 19:53:03,120 INFO L443 ceAbstractionStarter]: For program point L29-1(line 29) no Hoare annotation was computed. [2019-10-13 19:53:03,120 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 16 51) no Hoare annotation was computed. [2019-10-13 19:53:03,120 INFO L443 ceAbstractionStarter]: For program point L46-2(lines 46 48) no Hoare annotation was computed. [2019-10-13 19:53:03,120 INFO L439 ceAbstractionStarter]: At program point L46-3(lines 46 48) the Hoare annotation is: false [2019-10-13 19:53:03,120 INFO L439 ceAbstractionStarter]: At program point L42(line 42) the Hoare annotation is: false [2019-10-13 19:53:03,120 INFO L443 ceAbstractionStarter]: For program point L42-1(line 42) no Hoare annotation was computed. [2019-10-13 19:53:03,121 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 16 51) the Hoare annotation is: true [2019-10-13 19:53:03,121 INFO L443 ceAbstractionStarter]: For program point L22-2(lines 22 25) no Hoare annotation was computed. [2019-10-13 19:53:03,121 INFO L439 ceAbstractionStarter]: At program point L22-3(lines 22 25) the Hoare annotation is: false [2019-10-13 19:53:03,121 INFO L443 ceAbstractionStarter]: For program point L22-4(lines 22 25) no Hoare annotation was computed. [2019-10-13 19:53:03,123 INFO L439 ceAbstractionStarter]: At program point L47(line 47) the Hoare annotation is: false [2019-10-13 19:53:03,123 INFO L443 ceAbstractionStarter]: For program point L47-1(line 47) no Hoare annotation was computed. [2019-10-13 19:53:03,123 INFO L443 ceAbstractionStarter]: For program point L2-1(line 2) no Hoare annotation was computed. [2019-10-13 19:53:03,124 INFO L443 ceAbstractionStarter]: For program point L2-3(line 2) no Hoare annotation was computed. [2019-10-13 19:53:03,124 INFO L446 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(line 2) the Hoare annotation is: true [2019-10-13 19:53:03,124 INFO L443 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(line 2) no Hoare annotation was computed. [2019-10-13 19:53:03,124 INFO L443 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 2) no Hoare annotation was computed. [2019-10-13 19:53:03,124 INFO L443 ceAbstractionStarter]: For program point L2(line 2) no Hoare annotation was computed. [2019-10-13 19:53:03,137 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 07:53:03 BoogieIcfgContainer [2019-10-13 19:53:03,137 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 19:53:03,141 INFO L168 Benchmark]: Toolchain (without parser) took 2112.97 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 102.1 MB in the beginning and 96.1 MB in the end (delta: 5.9 MB). Peak memory consumption was 69.4 MB. Max. memory is 7.1 GB. [2019-10-13 19:53:03,142 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 138.4 MB. Free memory is still 120.0 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-13 19:53:03,145 INFO L168 Benchmark]: CACSL2BoogieTranslator took 425.57 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 102.1 MB in the beginning and 180.9 MB in the end (delta: -78.8 MB). Peak memory consumption was 24.0 MB. Max. memory is 7.1 GB. [2019-10-13 19:53:03,145 INFO L168 Benchmark]: Boogie Preprocessor took 41.28 ms. Allocated memory is still 201.9 MB. Free memory was 180.9 MB in the beginning and 177.6 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. [2019-10-13 19:53:03,147 INFO L168 Benchmark]: RCFGBuilder took 447.05 ms. Allocated memory is still 201.9 MB. Free memory was 177.6 MB in the beginning and 157.1 MB in the end (delta: 20.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. [2019-10-13 19:53:03,148 INFO L168 Benchmark]: TraceAbstraction took 1192.48 ms. Allocated memory is still 201.9 MB. Free memory was 156.1 MB in the beginning and 96.1 MB in the end (delta: 60.0 MB). Peak memory consumption was 60.0 MB. Max. memory is 7.1 GB. [2019-10-13 19:53:03,158 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 138.4 MB. Free memory is still 120.0 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 425.57 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 102.1 MB in the beginning and 180.9 MB in the end (delta: -78.8 MB). Peak memory consumption was 24.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 41.28 ms. Allocated memory is still 201.9 MB. Free memory was 180.9 MB in the beginning and 177.6 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 447.05 ms. Allocated memory is still 201.9 MB. Free memory was 177.6 MB in the beginning and 157.1 MB in the end (delta: 20.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1192.48 ms. Allocated memory is still 201.9 MB. Free memory was 156.1 MB in the beginning and 96.1 MB in the end (delta: 60.0 MB). Peak memory consumption was 60.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 2]: 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: 46]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 45]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 35]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 54 locations, 1 error locations. Result: SAFE, OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 63 SDtfs, 27 SDslu, 50 SDs, 0 SdLazy, 21 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=54occurred in iteration=0, 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, 25 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 19 LocationsWithAnnotation, 25 PreInvPairs, 25 NumberOfFragments, 19 HoareAnnotationTreeSize, 25 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 19 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 46 NumberOfCodeBlocks, 46 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 58 ConstructedInterpolants, 0 QuantifiedInterpolants, 1140 SizeOfPredicates, 1 NumberOfNonLiveVariables, 65 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 0/3 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 136, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 0.9166666666666666, AVG_VARS_REMOVED_DURING_WEAKENING: 0.9333333333333333, AVG_WEAKENED_CONJUNCTS: 0.4, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...