/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/ldv-regression/test_address.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 03:56:44,847 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 03:56:44,852 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 03:56:44,866 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 03:56:44,866 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 03:56:44,867 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 03:56:44,868 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 03:56:44,870 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 03:56:44,871 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 03:56:44,872 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 03:56:44,873 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 03:56:44,874 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 03:56:44,874 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 03:56:44,875 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 03:56:44,876 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 03:56:44,877 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 03:56:44,878 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 03:56:44,879 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 03:56:44,880 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 03:56:44,882 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 03:56:44,884 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 03:56:44,885 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 03:56:44,886 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 03:56:44,886 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 03:56:44,889 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-24 03:56:44,896 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 03:56:44,897 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 03:56:44,897 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 03:56:44,898 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 03:56:44,917 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 03:56:44,917 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 03:56:44,920 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 03:56:44,920 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 03:56:44,920 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 03:56:44,920 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 03:56:44,921 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 03:56:44,921 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 03:56:44,921 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 03:56:44,921 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 03:56:44,921 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 03:56:44,921 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 03:56:44,922 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 03:56:44,923 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 03:56:44,923 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 03:56:44,923 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 03:56:44,924 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 03:56:44,925 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 03:56:44,925 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 03:56:44,925 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 03:56:44,925 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 03:56:44,926 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 03:56:44,926 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 03:56:44,926 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 03:56:44,926 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 03:56:44,926 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 03:56:44,927 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 03:56:44,927 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 03:56:44,927 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 03:56:44,927 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 03:56:44,927 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 03:56:44,932 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 03:56:44,932 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 03:56:44,932 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 03:56:44,932 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 03:56:44,933 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 03:56:44,933 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 03:56:44,933 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 03:56:45,242 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 03:56:45,261 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 03:56:45,264 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 03:56:45,265 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 03:56:45,266 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 03:56:45,266 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test_address.i [2019-11-24 03:56:45,338 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76d15f3f5/f042062971894686a00ea4d63b95883b/FLAG9296da96a [2019-11-24 03:56:45,861 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 03:56:45,861 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test_address.i [2019-11-24 03:56:45,877 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76d15f3f5/f042062971894686a00ea4d63b95883b/FLAG9296da96a [2019-11-24 03:56:46,215 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76d15f3f5/f042062971894686a00ea4d63b95883b [2019-11-24 03:56:46,223 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 03:56:46,225 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 03:56:46,226 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 03:56:46,226 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 03:56:46,229 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 03:56:46,230 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 03:56:46" (1/1) ... [2019-11-24 03:56:46,233 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5311d2fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:56:46, skipping insertion in model container [2019-11-24 03:56:46,233 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 03:56:46" (1/1) ... [2019-11-24 03:56:46,241 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 03:56:46,281 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 03:56:46,691 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 03:56:46,696 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 03:56:46,736 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 03:56:46,802 INFO L208 MainTranslator]: Completed translation [2019-11-24 03:56:46,802 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:56:46 WrapperNode [2019-11-24 03:56:46,802 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 03:56:46,803 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 03:56:46,803 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 03:56:46,803 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 03:56:46,812 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:56:46" (1/1) ... [2019-11-24 03:56:46,827 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:56:46" (1/1) ... [2019-11-24 03:56:46,847 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 03:56:46,847 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 03:56:46,847 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 03:56:46,847 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 03:56:46,857 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:56:46" (1/1) ... [2019-11-24 03:56:46,857 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:56:46" (1/1) ... [2019-11-24 03:56:46,859 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:56:46" (1/1) ... [2019-11-24 03:56:46,860 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:56:46" (1/1) ... [2019-11-24 03:56:46,865 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:56:46" (1/1) ... [2019-11-24 03:56:46,866 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:56:46" (1/1) ... [2019-11-24 03:56:46,867 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:56:46" (1/1) ... [2019-11-24 03:56:46,869 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 03:56:46,870 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 03:56:46,870 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 03:56:46,870 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 03:56:46,871 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:56:46" (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 03:56:46,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-24 03:56:46,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-24 03:56:46,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 03:56:46,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 03:56:47,226 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 03:56:47,227 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-11-24 03:56:47,228 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 03:56:47 BoogieIcfgContainer [2019-11-24 03:56:47,228 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 03:56:47,229 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-24 03:56:47,230 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-24 03:56:47,235 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-24 03:56:47,235 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 03:56:46" (1/3) ... [2019-11-24 03:56:47,238 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20c26727 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 03:56:47, skipping insertion in model container [2019-11-24 03:56:47,238 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:56:46" (2/3) ... [2019-11-24 03:56:47,239 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20c26727 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 03:56:47, skipping insertion in model container [2019-11-24 03:56:47,239 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 03:56:47" (3/3) ... [2019-11-24 03:56:47,240 INFO L109 eAbstractionObserver]: Analyzing ICFG test_address.i [2019-11-24 03:56:47,261 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-24 03:56:47,268 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-24 03:56:47,279 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-24 03:56:47,298 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-24 03:56:47,299 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-24 03:56:47,299 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-24 03:56:47,299 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-24 03:56:47,299 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-24 03:56:47,299 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-24 03:56:47,299 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-24 03:56:47,300 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-24 03:56:47,310 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2019-11-24 03:56:47,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-11-24 03:56:47,315 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 03:56:47,316 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-11-24 03:56:47,317 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 03:56:47,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 03:56:47,324 INFO L82 PathProgramCache]: Analyzing trace with hash 47315, now seen corresponding path program 1 times [2019-11-24 03:56:47,331 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 03:56:47,331 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12566228] [2019-11-24 03:56:47,331 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 03:56:47,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 03:56:47,487 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 03:56:47,488 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12566228] [2019-11-24 03:56:47,489 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 03:56:47,489 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-24 03:56:47,491 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551256051] [2019-11-24 03:56:47,495 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-24 03:56:47,495 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 03:56:47,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-24 03:56:47,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 03:56:47,508 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 3 states. [2019-11-24 03:56:47,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 03:56:47,525 INFO L93 Difference]: Finished difference Result 8 states and 7 transitions. [2019-11-24 03:56:47,528 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-24 03:56:47,529 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2019-11-24 03:56:47,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 03:56:47,537 INFO L225 Difference]: With dead ends: 8 [2019-11-24 03:56:47,537 INFO L226 Difference]: Without dead ends: 0 [2019-11-24 03:56:47,540 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 03:56:47,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-24 03:56:47,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-24 03:56:47,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-24 03:56:47,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-24 03:56:47,565 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 3 [2019-11-24 03:56:47,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 03:56:47,565 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-24 03:56:47,565 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-24 03:56:47,566 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-24 03:56:47,566 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-24 03:56:47,570 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-24 03:56:47,574 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-24 03:56:47,574 INFO L444 ceAbstractionStarter]: For program point L864(line 864) no Hoare annotation was computed. [2019-11-24 03:56:47,574 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-24 03:56:47,575 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 854) no Hoare annotation was computed. [2019-11-24 03:56:47,575 INFO L444 ceAbstractionStarter]: For program point L854(line 854) no Hoare annotation was computed. [2019-11-24 03:56:47,575 INFO L444 ceAbstractionStarter]: For program point L852(lines 867 870) no Hoare annotation was computed. [2019-11-24 03:56:47,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 03:56:47 BoogieIcfgContainer [2019-11-24 03:56:47,578 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-24 03:56:47,581 INFO L168 Benchmark]: Toolchain (without parser) took 1355.26 ms. Allocated memory was 140.5 MB in the beginning and 202.9 MB in the end (delta: 62.4 MB). Free memory was 104.0 MB in the beginning and 132.2 MB in the end (delta: -28.2 MB). Peak memory consumption was 34.2 MB. Max. memory is 7.1 GB. [2019-11-24 03:56:47,582 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 140.5 MB. Free memory is still 123.3 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-11-24 03:56:47,583 INFO L168 Benchmark]: CACSL2BoogieTranslator took 576.89 ms. Allocated memory was 140.5 MB in the beginning and 202.9 MB in the end (delta: 62.4 MB). Free memory was 103.6 MB in the beginning and 168.9 MB in the end (delta: -65.3 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. [2019-11-24 03:56:47,584 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.89 ms. Allocated memory is still 202.9 MB. Free memory was 168.9 MB in the beginning and 167.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2019-11-24 03:56:47,585 INFO L168 Benchmark]: Boogie Preprocessor took 22.27 ms. Allocated memory is still 202.9 MB. Free memory was 167.1 MB in the beginning and 166.2 MB in the end (delta: 924.4 kB). Peak memory consumption was 924.4 kB. Max. memory is 7.1 GB. [2019-11-24 03:56:47,587 INFO L168 Benchmark]: RCFGBuilder took 358.65 ms. Allocated memory is still 202.9 MB. Free memory was 166.2 MB in the beginning and 151.0 MB in the end (delta: 15.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 7.1 GB. [2019-11-24 03:56:47,588 INFO L168 Benchmark]: TraceAbstraction took 348.92 ms. Allocated memory is still 202.9 MB. Free memory was 151.0 MB in the beginning and 132.2 MB in the end (delta: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB. [2019-11-24 03:56:47,592 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 140.5 MB. Free memory is still 123.3 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 576.89 ms. Allocated memory was 140.5 MB in the beginning and 202.9 MB in the end (delta: 62.4 MB). Free memory was 103.6 MB in the beginning and 168.9 MB in the end (delta: -65.3 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 43.89 ms. Allocated memory is still 202.9 MB. Free memory was 168.9 MB in the beginning and 167.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 22.27 ms. Allocated memory is still 202.9 MB. Free memory was 167.1 MB in the beginning and 166.2 MB in the end (delta: 924.4 kB). Peak memory consumption was 924.4 kB. Max. memory is 7.1 GB. * RCFGBuilder took 358.65 ms. Allocated memory is still 202.9 MB. Free memory was 166.2 MB in the beginning and 151.0 MB in the end (delta: 15.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 348.92 ms. Allocated memory is still 202.9 MB. Free memory was 151.0 MB in the beginning and 132.2 MB in the end (delta: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 854]: 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 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 locations, 1 error locations. Result: SAFE, OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 2 SDtfs, 2 SDslu, 0 SDs, 0 SdLazy, 1 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6occurred 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 0 LocationsWithAnnotation, 0 PreInvPairs, 0 NumberOfFragments, 0 HoareAnnotationTreeSize, 0 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 0 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...