/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/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/loops/array-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 04:25:06,128 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 04:25:06,131 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 04:25:06,143 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 04:25:06,143 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 04:25:06,144 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 04:25:06,145 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 04:25:06,147 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 04:25:06,149 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 04:25:06,150 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 04:25:06,151 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 04:25:06,152 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 04:25:06,152 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 04:25:06,153 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 04:25:06,154 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 04:25:06,155 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 04:25:06,156 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 04:25:06,156 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 04:25:06,158 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 04:25:06,160 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 04:25:06,161 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 04:25:06,162 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 04:25:06,163 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 04:25:06,164 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 04:25:06,166 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-24 04:25:06,173 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 04:25:06,174 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 04:25:06,174 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 04:25:06,175 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-24 04:25:06,193 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 04:25:06,194 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 04:25:06,194 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 04:25:06,195 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 04:25:06,195 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 04:25:06,195 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 04:25:06,195 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 04:25:06,195 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 04:25:06,196 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 04:25:06,196 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 04:25:06,197 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 04:25:06,197 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 04:25:06,197 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 04:25:06,198 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 04:25:06,198 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 04:25:06,199 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 04:25:06,200 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 04:25:06,200 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 04:25:06,200 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 04:25:06,200 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 04:25:06,200 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 04:25:06,201 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 04:25:06,201 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 04:25:06,201 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 04:25:06,201 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 04:25:06,202 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 04:25:06,202 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 04:25:06,202 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 04:25:06,203 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 04:25:06,203 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 04:25:06,203 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 04:25:06,204 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 04:25:06,204 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 04:25:06,204 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 04:25:06,204 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 04:25:06,205 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 04:25:06,205 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 04:25:06,205 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 04:25:06,483 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 04:25:06,498 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 04:25:06,503 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 04:25:06,504 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 04:25:06,504 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 04:25:06,505 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/array-1.c [2019-11-24 04:25:06,576 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f078c3711/11162b5ca50247799cdae7025ca6d8cc/FLAGaf407a867 [2019-11-24 04:25:07,010 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 04:25:07,010 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/array-1.c [2019-11-24 04:25:07,016 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f078c3711/11162b5ca50247799cdae7025ca6d8cc/FLAGaf407a867 [2019-11-24 04:25:07,366 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f078c3711/11162b5ca50247799cdae7025ca6d8cc [2019-11-24 04:25:07,377 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 04:25:07,378 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 04:25:07,379 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 04:25:07,379 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 04:25:07,383 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 04:25:07,384 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:25:07" (1/1) ... [2019-11-24 04:25:07,387 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53167e4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:25:07, skipping insertion in model container [2019-11-24 04:25:07,387 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:25:07" (1/1) ... [2019-11-24 04:25:07,395 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 04:25:07,408 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 04:25:07,630 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 04:25:07,636 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 04:25:07,666 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 04:25:07,689 INFO L208 MainTranslator]: Completed translation [2019-11-24 04:25:07,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:25:07 WrapperNode [2019-11-24 04:25:07,690 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 04:25:07,691 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 04:25:07,691 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 04:25:07,691 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 04:25:07,700 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:25:07" (1/1) ... [2019-11-24 04:25:07,798 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:25:07" (1/1) ... [2019-11-24 04:25:07,829 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 04:25:07,829 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 04:25:07,830 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 04:25:07,830 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 04:25:07,839 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:25:07" (1/1) ... [2019-11-24 04:25:07,840 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:25:07" (1/1) ... [2019-11-24 04:25:07,843 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:25:07" (1/1) ... [2019-11-24 04:25:07,844 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:25:07" (1/1) ... [2019-11-24 04:25:07,849 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:25:07" (1/1) ... [2019-11-24 04:25:07,853 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:25:07" (1/1) ... [2019-11-24 04:25:07,854 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:25:07" (1/1) ... [2019-11-24 04:25:07,856 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 04:25:07,863 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 04:25:07,863 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 04:25:07,863 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 04:25:07,864 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:25:07" (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 [2019-11-24 04:25:07,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-24 04:25:07,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 04:25:07,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 04:25:07,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-24 04:25:07,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-24 04:25:07,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-24 04:25:08,297 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 04:25:08,298 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-24 04:25:08,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:25:08 BoogieIcfgContainer [2019-11-24 04:25:08,299 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 04:25:08,300 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-24 04:25:08,300 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-24 04:25:08,303 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-24 04:25:08,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 04:25:07" (1/3) ... [2019-11-24 04:25:08,304 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ae24d2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 04:25:08, skipping insertion in model container [2019-11-24 04:25:08,304 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:25:07" (2/3) ... [2019-11-24 04:25:08,305 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ae24d2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 04:25:08, skipping insertion in model container [2019-11-24 04:25:08,305 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:25:08" (3/3) ... [2019-11-24 04:25:08,310 INFO L109 eAbstractionObserver]: Analyzing ICFG array-1.c [2019-11-24 04:25:08,318 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-24 04:25:08,324 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-24 04:25:08,335 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-24 04:25:08,356 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-24 04:25:08,357 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-24 04:25:08,357 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-24 04:25:08,357 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-24 04:25:08,357 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-24 04:25:08,357 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-24 04:25:08,357 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-24 04:25:08,357 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-24 04:25:08,368 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2019-11-24 04:25:08,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-24 04:25:08,373 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 04:25:08,374 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-11-24 04:25:08,375 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 04:25:08,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 04:25:08,379 INFO L82 PathProgramCache]: Analyzing trace with hash 2035207, now seen corresponding path program 1 times [2019-11-24 04:25:08,387 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 04:25:08,388 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558670888] [2019-11-24 04:25:08,388 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 04:25:08,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 04:25:08,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 04:25:08,661 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558670888] [2019-11-24 04:25:08,661 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 04:25:08,662 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-24 04:25:08,663 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521008088] [2019-11-24 04:25:08,666 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-24 04:25:08,667 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 04:25:08,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-24 04:25:08,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 04:25:08,679 INFO L87 Difference]: Start difference. First operand 7 states. Second operand 3 states. [2019-11-24 04:25:08,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 04:25:08,702 INFO L93 Difference]: Finished difference Result 13 states and 15 transitions. [2019-11-24 04:25:08,705 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-24 04:25:08,706 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2019-11-24 04:25:08,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 04:25:08,715 INFO L225 Difference]: With dead ends: 13 [2019-11-24 04:25:08,715 INFO L226 Difference]: Without dead ends: 6 [2019-11-24 04:25:08,718 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 04:25:08,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states. [2019-11-24 04:25:08,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2019-11-24 04:25:08,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2019-11-24 04:25:08,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2019-11-24 04:25:08,747 INFO L78 Accepts]: Start accepts. Automaton has 6 states and 6 transitions. Word has length 4 [2019-11-24 04:25:08,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 04:25:08,747 INFO L462 AbstractCegarLoop]: Abstraction has 6 states and 6 transitions. [2019-11-24 04:25:08,747 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-24 04:25:08,748 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2019-11-24 04:25:08,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-24 04:25:08,748 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 04:25:08,748 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-11-24 04:25:08,749 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 04:25:08,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 04:25:08,749 INFO L82 PathProgramCache]: Analyzing trace with hash 63196130, now seen corresponding path program 1 times [2019-11-24 04:25:08,749 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 04:25:08,749 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125358956] [2019-11-24 04:25:08,750 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 04:25:08,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 04:25:09,032 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 04:25:09,033 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125358956] [2019-11-24 04:25:09,033 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1476438266] [2019-11-24 04:25:09,033 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 [2019-11-24 04:25:09,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 04:25:09,090 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-24 04:25:09,095 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-24 04:25:09,124 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:25:09,126 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:25:09,127 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:25:09,128 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:25:09,132 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:25:09,134 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:25:09,135 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:25:09,138 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:25:09,140 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:25:09,141 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:25:09,143 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:25:09,144 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:25:09,146 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:25:09,147 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:25:09,149 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:25:09,150 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:25:09,152 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:25:09,153 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:25:09,154 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:25:09,155 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:25:09,157 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:25:09,158 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:25:09,160 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:25:09,161 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:25:09,163 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:25:09,164 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:25:09,230 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 53 [2019-11-24 04:25:09,231 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-24 04:25:09,246 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 38 [2019-11-24 04:25:09,246 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-24 04:25:09,261 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:25:09,262 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-24 04:25:09,272 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:25:09,272 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-11-24 04:25:09,369 INFO L567 ElimStorePlain]: treesize reduction 107, result has 39.5 percent of original size [2019-11-24 04:25:09,376 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 32 [2019-11-24 04:25:09,377 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-11-24 04:25:09,401 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 04:25:09,401 INFO L464 ElimStorePlain]: Eliminatee v_prenex_4 vanished before elimination [2019-11-24 04:25:09,403 INFO L496 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 3 dim-2 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2019-11-24 04:25:09,404 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 9 variables, input treesize:289, output treesize:40 [2019-11-24 04:25:09,446 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:25:09,465 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 04:25:09,466 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-24 04:25:09,493 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:25:09,495 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:25:09,496 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:25:09,497 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:25:09,499 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:25:09,502 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:25:09,505 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:25:09,512 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:25:09,514 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:25:09,516 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:25:09,518 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:25:09,519 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:25:09,523 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:25:09,562 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 31 [2019-11-24 04:25:09,585 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 28 [2019-11-24 04:25:09,586 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-24 04:25:09,599 INFO L567 ElimStorePlain]: treesize reduction 10, result has 58.3 percent of original size [2019-11-24 04:25:09,600 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-24 04:25:09,694 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 04:25:09,706 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 66 [2019-11-24 04:25:09,731 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 04:25:09,731 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 159 treesize of output 151 [2019-11-24 04:25:09,732 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:25:09,733 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:25:09,733 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:25:09,734 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:25:09,735 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:25:09,735 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:25:09,736 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:25:09,737 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:25:09,738 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:25:09,738 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:25:09,740 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:25:09,740 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:25:09,741 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:25:09,742 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:25:09,743 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:25:09,745 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:25:09,745 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:25:09,747 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:25:09,747 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:25:09,748 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:25:09,749 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:25:09,750 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:25:09,750 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:25:09,751 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:25:09,752 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:25:09,753 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:25:09,753 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:25:09,754 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:25:09,755 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:25:09,756 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:25:09,757 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:25:09,759 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:25:09,759 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:25:09,761 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:25:09,761 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:25:09,763 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-11-24 04:25:09,815 INFO L567 ElimStorePlain]: treesize reduction 299, result has 4.5 percent of original size [2019-11-24 04:25:09,816 INFO L496 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-24 04:25:09,890 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 04:25:09,901 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 31 [2019-11-24 04:25:09,917 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 28 [2019-11-24 04:25:09,917 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-11-24 04:25:09,931 INFO L567 ElimStorePlain]: treesize reduction 10, result has 58.3 percent of original size [2019-11-24 04:25:09,931 INFO L496 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-24 04:25:10,000 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 04:25:10,011 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 31 [2019-11-24 04:25:10,028 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 26 [2019-11-24 04:25:10,028 INFO L496 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2019-11-24 04:25:10,037 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 04:25:10,038 INFO L496 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-24 04:25:10,106 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 04:25:10,116 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 65 [2019-11-24 04:25:10,131 INFO L343 Elim1Store]: treesize reduction 14, result has 6.7 percent of original size [2019-11-24 04:25:10,131 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 157 treesize of output 133 [2019-11-24 04:25:10,133 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:25:10,133 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:25:10,134 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:25:10,134 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:25:10,135 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:25:10,136 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:25:10,137 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:25:10,138 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:25:10,139 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:25:10,140 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:25:10,140 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:25:10,141 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:25:10,142 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:25:10,144 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:25:10,145 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:25:10,145 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:25:10,147 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:25:10,147 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:25:10,149 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:25:10,150 INFO L496 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2019-11-24 04:25:10,168 INFO L567 ElimStorePlain]: treesize reduction 26, result has 48.0 percent of original size [2019-11-24 04:25:10,168 INFO L496 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-24 04:25:10,234 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 04:25:10,242 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 31 [2019-11-24 04:25:10,253 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 26 [2019-11-24 04:25:10,254 INFO L496 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2019-11-24 04:25:10,263 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 04:25:10,264 INFO L496 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-24 04:25:10,329 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 04:25:10,331 INFO L496 ElimStorePlain]: Start of recursive call 1: 24 dim-0 vars, 6 dim-2 vars, End of recursive call: 9 dim-0 vars, and 6 xjuncts. [2019-11-24 04:25:10,332 INFO L221 ElimStorePlain]: Needed 13 recursive calls to eliminate 30 variables, input treesize:276, output treesize:115 [2019-11-24 04:25:10,393 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 04:25:10,393 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1581496549] [2019-11-24 04:25:10,419 INFO L159 IcfgInterpreter]: Started Sifa with 5 locations of interest [2019-11-24 04:25:10,419 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 04:25:10,425 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 04:25:10,433 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 04:25:10,435 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 04:25:10,493 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:25:10,987 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 193 [2019-11-24 04:25:11,009 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:25:11,092 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:25:11,178 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:25:11,242 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:25:11,256 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:25:11,280 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:25:11,325 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:25:11,362 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:25:11,387 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:25:11,410 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:25:11,436 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-24 04:25:11,735 WARN L192 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 47 [2019-11-24 04:25:12,038 WARN L192 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 54 [2019-11-24 04:25:12,040 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-11-24 04:25:12,040 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4, 4, 4] total 11 [2019-11-24 04:25:12,042 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381183878] [2019-11-24 04:25:12,043 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-24 04:25:12,043 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 04:25:12,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-24 04:25:12,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2019-11-24 04:25:12,044 INFO L87 Difference]: Start difference. First operand 6 states and 6 transitions. Second operand 4 states. [2019-11-24 04:25:12,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 04:25:12,066 INFO L93 Difference]: Finished difference Result 6 states and 6 transitions. [2019-11-24 04:25:12,066 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-24 04:25:12,066 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2019-11-24 04:25:12,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 04:25:12,067 INFO L225 Difference]: With dead ends: 6 [2019-11-24 04:25:12,067 INFO L226 Difference]: Without dead ends: 0 [2019-11-24 04:25:12,068 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2019-11-24 04:25:12,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-24 04:25:12,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-24 04:25:12,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-24 04:25:12,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-24 04:25:12,069 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 5 [2019-11-24 04:25:12,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 04:25:12,069 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-24 04:25:12,070 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-24 04:25:12,070 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-24 04:25:12,070 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-24 04:25:12,275 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-24 04:25:12,279 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-24 04:25:12,425 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2019-11-24 04:25:12,428 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-24 04:25:12,428 INFO L440 ceAbstractionStarter]: At program point L19-3(lines 19 24) the Hoare annotation is: (let ((.cse9 (select (select |#memory_int| |ULTIMATE.start_main_~#array~0.base|) |ULTIMATE.start_main_~#array~0.offset|))) (let ((.cse7 (= ULTIMATE.start_main_~j~0 1)) (.cse10 (<= .cse9 2147483647)) (.cse0 (= 1 (select |#valid| |ULTIMATE.start_main_~#array~0.base|))) (.cse1 (= 0 |#NULL.base|)) (.cse2 (< 0 |#StackHeapBarrier|)) (.cse3 (< |#StackHeapBarrier| |ULTIMATE.start_main_~#array~0.base|)) (.cse4 (= (select |#length| |ULTIMATE.start_main_~#array~0.base|) (* (mod ULTIMATE.start_main_~SIZE~0 4294967296) 4))) (.cse5 (<= 0 (+ ULTIMATE.start_main_~menor~0 2147483648))) (.cse11 (= 0 (select |#valid| 0))) (.cse6 (= ULTIMATE.start_main_~SIZE~0 1)) (.cse8 (= 0 |ULTIMATE.start_main_~#array~0.offset|)) (.cse12 (= |#NULL.offset| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (< ULTIMATE.start_main_~menor~0 .cse9) .cse10 .cse11 .cse12) (and .cse0 (= ULTIMATE.start_main_~menor~0 .cse9) .cse1 .cse2 .cse3 .cse4 .cse6 .cse7 .cse8 .cse10 (<= 0 (+ .cse9 2147483648)) .cse11 .cse12) (and .cse0 (<= ULTIMATE.start_main_~menor~0 2147483647) .cse1 .cse2 .cse3 .cse4 .cse5 .cse11 .cse6 .cse8 .cse12 (= ULTIMATE.start_main_~j~0 0))))) [2019-11-24 04:25:12,428 INFO L444 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2019-11-24 04:25:12,428 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-24 04:25:12,428 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2019-11-24 04:25:12,429 INFO L444 ceAbstractionStarter]: For program point L4(lines 4 6) no Hoare annotation was computed. [2019-11-24 04:25:12,429 INFO L447 ceAbstractionStarter]: At program point L4-2(lines 3 8) the Hoare annotation is: true [2019-11-24 04:25:12,438 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-24 04:25:12,439 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-11-24 04:25:12,439 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-11-24 04:25:12,439 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-24 04:25:12,440 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-24 04:25:12,440 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-24 04:25:12,440 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-24 04:25:12,440 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-24 04:25:12,441 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-24 04:25:12,441 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-11-24 04:25:12,441 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-11-24 04:25:12,441 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-24 04:25:12,442 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-24 04:25:12,442 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-24 04:25:12,442 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-24 04:25:12,442 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-24 04:25:12,442 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-11-24 04:25:12,443 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-11-24 04:25:12,443 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-24 04:25:12,443 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-24 04:25:12,461 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-24 04:25:12,461 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-11-24 04:25:12,462 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-11-24 04:25:12,462 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-24 04:25:12,462 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-24 04:25:12,462 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-24 04:25:12,463 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-24 04:25:12,464 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-24 04:25:12,464 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-24 04:25:12,464 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-11-24 04:25:12,465 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-11-24 04:25:12,465 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-24 04:25:12,465 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-24 04:25:12,465 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-24 04:25:12,466 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-24 04:25:12,466 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-24 04:25:12,466 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-11-24 04:25:12,466 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-11-24 04:25:12,466 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-24 04:25:12,467 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-24 04:25:12,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 04:25:12 BoogieIcfgContainer [2019-11-24 04:25:12,480 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-24 04:25:12,484 INFO L168 Benchmark]: Toolchain (without parser) took 5104.75 ms. Allocated memory was 146.3 MB in the beginning and 278.9 MB in the end (delta: 132.6 MB). Free memory was 104.6 MB in the beginning and 179.4 MB in the end (delta: -74.7 MB). Peak memory consumption was 57.9 MB. Max. memory is 7.1 GB. [2019-11-24 04:25:12,485 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 146.3 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-11-24 04:25:12,488 INFO L168 Benchmark]: CACSL2BoogieTranslator took 310.99 ms. Allocated memory is still 146.3 MB. Free memory was 104.4 MB in the beginning and 94.5 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2019-11-24 04:25:12,490 INFO L168 Benchmark]: Boogie Procedure Inliner took 138.44 ms. Allocated memory was 146.3 MB in the beginning and 202.9 MB in the end (delta: 56.6 MB). Free memory was 94.3 MB in the beginning and 181.5 MB in the end (delta: -87.3 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2019-11-24 04:25:12,491 INFO L168 Benchmark]: Boogie Preprocessor took 27.02 ms. Allocated memory is still 202.9 MB. Free memory was 181.5 MB in the beginning and 179.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-11-24 04:25:12,491 INFO L168 Benchmark]: RCFGBuilder took 436.34 ms. Allocated memory is still 202.9 MB. Free memory was 179.8 MB in the beginning and 160.8 MB in the end (delta: 19.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 7.1 GB. [2019-11-24 04:25:12,495 INFO L168 Benchmark]: TraceAbstraction took 4180.49 ms. Allocated memory was 202.9 MB in the beginning and 278.9 MB in the end (delta: 76.0 MB). Free memory was 160.8 MB in the beginning and 179.4 MB in the end (delta: -18.6 MB). Peak memory consumption was 57.4 MB. Max. memory is 7.1 GB. [2019-11-24 04:25:12,507 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 146.3 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 310.99 ms. Allocated memory is still 146.3 MB. Free memory was 104.4 MB in the beginning and 94.5 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 138.44 ms. Allocated memory was 146.3 MB in the beginning and 202.9 MB in the end (delta: 56.6 MB). Free memory was 94.3 MB in the beginning and 181.5 MB in the end (delta: -87.3 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 27.02 ms. Allocated memory is still 202.9 MB. Free memory was 181.5 MB in the beginning and 179.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 436.34 ms. Allocated memory is still 202.9 MB. Free memory was 179.8 MB in the beginning and 160.8 MB in the end (delta: 19.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4180.49 ms. Allocated memory was 202.9 MB in the beginning and 278.9 MB in the end (delta: 76.0 MB). Free memory was 160.8 MB in the beginning and 179.4 MB in the end (delta: -18.6 MB). Peak memory consumption was 57.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5]: 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 [2019-11-24 04:25:12,526 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-24 04:25:12,526 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-11-24 04:25:12,527 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-11-24 04:25:12,529 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-24 04:25:12,529 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-24 04:25:12,529 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-24 04:25:12,530 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-24 04:25:12,530 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-24 04:25:12,530 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-24 04:25:12,530 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-11-24 04:25:12,530 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-11-24 04:25:12,531 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-24 04:25:12,531 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-24 04:25:12,531 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-24 04:25:12,531 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-24 04:25:12,531 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-24 04:25:12,531 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-11-24 04:25:12,532 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-11-24 04:25:12,532 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-24 04:25:12,532 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-24 04:25:12,534 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-24 04:25:12,535 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-11-24 04:25:12,535 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-11-24 04:25:12,535 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-24 04:25:12,535 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-24 04:25:12,536 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-24 04:25:12,536 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-24 04:25:12,536 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-24 04:25:12,536 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-24 04:25:12,536 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-11-24 04:25:12,537 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-11-24 04:25:12,537 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-24 04:25:12,537 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-24 04:25:12,537 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-24 04:25:12,537 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-24 04:25:12,537 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-24 04:25:12,538 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-11-24 04:25:12,538 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-11-24 04:25:12,538 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-24 04:25:12,538 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL Derived loop invariant: (((((((((((((1 == \valid[array] && 0 == #NULL) && 0 < unknown-#StackHeapBarrier-unknown) && unknown-#StackHeapBarrier-unknown < array) && unknown-#length-unknown[array] == SIZE % 4294967296 * 4) && 0 <= menor + 2147483648) && SIZE == 1) && j == 1) && 0 == array) && menor < unknown-#memory_int-unknown[array][array]) && unknown-#memory_int-unknown[array][array] <= 2147483647) && 0 == \valid[0]) && #NULL == 0) || ((((((((((((1 == \valid[array] && menor == unknown-#memory_int-unknown[array][array]) && 0 == #NULL) && 0 < unknown-#StackHeapBarrier-unknown) && unknown-#StackHeapBarrier-unknown < array) && unknown-#length-unknown[array] == SIZE % 4294967296 * 4) && SIZE == 1) && j == 1) && 0 == array) && unknown-#memory_int-unknown[array][array] <= 2147483647) && 0 <= unknown-#memory_int-unknown[array][array] + 2147483648) && 0 == \valid[0]) && #NULL == 0)) || (((((((((((1 == \valid[array] && menor <= 2147483647) && 0 == #NULL) && 0 < unknown-#StackHeapBarrier-unknown) && unknown-#StackHeapBarrier-unknown < array) && unknown-#length-unknown[array] == SIZE % 4294967296 * 4) && 0 <= menor + 2147483648) && 0 == \valid[0]) && SIZE == 1) && 0 == array) && #NULL == 0) && j == 0) - InvariantResult [Line: 3]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Result: SAFE, OverallTime: 4.0s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 7 SDtfs, 1 SDslu, 4 SDs, 0 SdLazy, 7 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 4 NumberOfFragments, 175 HoareAnnotationTreeSize, 2 FomulaSimplifications, 188 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 15 ConstructedInterpolants, 2 QuantifiedInterpolants, 516 SizeOfPredicates, 16 NumberOfNonLiveVariables, 38 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 0/3 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: OVERALL_TIME[ms]: 1018, ICFG_INTERPRETER_ENTERED_PROCEDURES: 1, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 4, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 5, TOOLS_POST_TIME[ms]: 851, TOOLS_POST_CALL_APPLICATIONS: 0, TOOLS_POST_CALL_TIME[ms]: 0, TOOLS_POST_RETURN_APPLICATIONS: 0, TOOLS_POST_RETURN_TIME[ms]: 0, TOOLS_QUANTIFIERELIM_APPLICATIONS: 5, TOOLS_QUANTIFIERELIM_TIME[ms]: 847, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 686, FLUID_QUERY_TIME[ms]: 3, FLUID_QUERIES: 14, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 0, DOMAIN_JOIN_TIME[ms]: 0, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 77, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 9, DOMAIN_ISBOTTOM_APPLICATIONS: 4, DOMAIN_ISBOTTOM_TIME[ms]: 12, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 850, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 846, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 0, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 2, PATH_EXPR_TIME[ms]: 3, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 22, DAG_COMPRESSION_PROCESSED_NODES: 27, DAG_COMPRESSION_RETAINED_NODES: 16, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...