java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/ldv-regression/nested_structure_ptr-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 01:01:24,211 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 01:01:24,213 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 01:01:24,229 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 01:01:24,230 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 01:01:24,232 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 01:01:24,233 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 01:01:24,242 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 01:01:24,246 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 01:01:24,249 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 01:01:24,250 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 01:01:24,252 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 01:01:24,252 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 01:01:24,254 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 01:01:24,256 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 01:01:24,257 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 01:01:24,258 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 01:01:24,259 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 01:01:24,260 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 01:01:24,265 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 01:01:24,269 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 01:01:24,271 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 01:01:24,274 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 01:01:24,274 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 01:01:24,277 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-15 01:01:24,285 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 01:01:24,286 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 01:01:24,287 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 01:01:24,287 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 01:01:24,313 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 01:01:24,313 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 01:01:24,314 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 01:01:24,315 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 01:01:24,315 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 01:01:24,315 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 01:01:24,315 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 01:01:24,315 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 01:01:24,316 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 01:01:24,316 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 01:01:24,316 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 01:01:24,316 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 01:01:24,316 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 01:01:24,316 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 01:01:24,317 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 01:01:24,317 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 01:01:24,317 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 01:01:24,317 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 01:01:24,317 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 01:01:24,318 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 01:01:24,318 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 01:01:24,318 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:01:24,318 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 01:01:24,318 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 01:01:24,319 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 01:01:24,319 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 01:01:24,319 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 01:01:24,319 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 01:01:24,319 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-15 01:01:24,607 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 01:01:24,620 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 01:01:24,624 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 01:01:24,625 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 01:01:24,626 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 01:01:24,627 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/nested_structure_ptr-2.i [2019-10-15 01:01:24,690 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01ebcdb53/fa7cc744cfca4526b52325ee7ae571ec/FLAG730c5c1c9 [2019-10-15 01:01:25,178 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 01:01:25,178 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/nested_structure_ptr-2.i [2019-10-15 01:01:25,184 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01ebcdb53/fa7cc744cfca4526b52325ee7ae571ec/FLAG730c5c1c9 [2019-10-15 01:01:25,553 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01ebcdb53/fa7cc744cfca4526b52325ee7ae571ec [2019-10-15 01:01:25,566 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 01:01:25,568 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 01:01:25,569 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 01:01:25,569 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 01:01:25,573 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 01:01:25,574 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:01:25" (1/1) ... [2019-10-15 01:01:25,578 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@676b36a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:01:25, skipping insertion in model container [2019-10-15 01:01:25,578 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:01:25" (1/1) ... [2019-10-15 01:01:25,586 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 01:01:25,605 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 01:01:25,835 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:01:25,849 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 01:01:25,866 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:01:25,882 INFO L192 MainTranslator]: Completed translation [2019-10-15 01:01:25,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:01:25 WrapperNode [2019-10-15 01:01:25,883 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 01:01:25,884 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 01:01:25,884 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 01:01:25,884 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 01:01:25,992 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:01:25" (1/1) ... [2019-10-15 01:01:25,993 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:01:25" (1/1) ... [2019-10-15 01:01:26,006 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:01:25" (1/1) ... [2019-10-15 01:01:26,008 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:01:25" (1/1) ... [2019-10-15 01:01:26,016 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:01:25" (1/1) ... [2019-10-15 01:01:26,018 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:01:25" (1/1) ... [2019-10-15 01:01:26,020 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:01:25" (1/1) ... [2019-10-15 01:01:26,023 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 01:01:26,023 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 01:01:26,023 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 01:01:26,023 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 01:01:26,024 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:01:25" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:01:26,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 01:01:26,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 01:01:26,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-15 01:01:26,086 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 01:01:26,086 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 01:01:26,086 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-15 01:01:26,086 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 01:01:26,086 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2019-10-15 01:01:26,087 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2019-10-15 01:01:26,087 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 01:01:26,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 01:01:26,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 01:01:26,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-15 01:01:26,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 01:01:26,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 01:01:26,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 01:01:26,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 01:01:26,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 01:01:26,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 01:01:26,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 01:01:26,321 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 01:01:26,322 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-15 01:01:26,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:01:26 BoogieIcfgContainer [2019-10-15 01:01:26,324 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 01:01:26,332 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 01:01:26,332 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 01:01:26,343 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 01:01:26,343 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:01:25" (1/3) ... [2019-10-15 01:01:26,344 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@545264df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:01:26, skipping insertion in model container [2019-10-15 01:01:26,345 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:01:25" (2/3) ... [2019-10-15 01:01:26,345 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@545264df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:01:26, skipping insertion in model container [2019-10-15 01:01:26,348 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:01:26" (3/3) ... [2019-10-15 01:01:26,351 INFO L109 eAbstractionObserver]: Analyzing ICFG nested_structure_ptr-2.i [2019-10-15 01:01:26,383 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 01:01:26,404 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 01:01:26,433 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 01:01:26,474 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 01:01:26,474 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 01:01:26,474 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 01:01:26,474 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 01:01:26,474 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 01:01:26,475 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 01:01:26,475 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 01:01:26,475 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 01:01:26,490 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2019-10-15 01:01:26,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-15 01:01:26,495 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:01:26,496 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:01:26,498 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:01:26,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:01:26,503 INFO L82 PathProgramCache]: Analyzing trace with hash -715594688, now seen corresponding path program 1 times [2019-10-15 01:01:26,510 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:01:26,510 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734711295] [2019-10-15 01:01:26,511 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:01:26,511 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:01:26,511 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:01:26,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:01:26,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:01:26,835 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734711295] [2019-10-15 01:01:26,836 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:01:26,837 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 01:01:26,837 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804194790] [2019-10-15 01:01:26,842 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 01:01:26,844 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:01:26,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 01:01:26,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 01:01:26,860 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 5 states. [2019-10-15 01:01:26,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:01:26,948 INFO L93 Difference]: Finished difference Result 25 states and 24 transitions. [2019-10-15 01:01:26,949 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-15 01:01:26,950 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2019-10-15 01:01:26,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:01:26,959 INFO L225 Difference]: With dead ends: 25 [2019-10-15 01:01:26,960 INFO L226 Difference]: Without dead ends: 0 [2019-10-15 01:01:26,966 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:01:26,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-15 01:01:26,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-15 01:01:26,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-15 01:01:26,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-15 01:01:26,990 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2019-10-15 01:01:26,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:01:26,990 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-15 01:01:26,991 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 01:01:26,991 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-15 01:01:26,991 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-15 01:01:26,997 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-15 01:01:27,027 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:01:27,027 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-10-15 01:01:27,027 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:01:27,027 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:01:27,028 INFO L446 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2019-10-15 01:01:27,028 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-15 01:01:27,028 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:01:27,028 INFO L443 ceAbstractionStarter]: For program point L34-1(line 34) no Hoare annotation was computed. [2019-10-15 01:01:27,028 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 27 36) the Hoare annotation is: true [2019-10-15 01:01:27,028 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 27 36) no Hoare annotation was computed. [2019-10-15 01:01:27,029 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 27 36) no Hoare annotation was computed. [2019-10-15 01:01:27,029 INFO L439 ceAbstractionStarter]: At program point L34(line 34) the Hoare annotation is: (= 4 |main_#t~mem4|) [2019-10-15 01:01:27,029 INFO L443 ceAbstractionStarter]: For program point L3-2(lines 2 7) no Hoare annotation was computed. [2019-10-15 01:01:27,029 INFO L446 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 2 7) the Hoare annotation is: true [2019-10-15 01:01:27,029 INFO L443 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 2 7) no Hoare annotation was computed. [2019-10-15 01:01:27,029 INFO L443 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2019-10-15 01:01:27,030 INFO L443 ceAbstractionStarter]: For program point L4(line 4) no Hoare annotation was computed. [2019-10-15 01:01:27,030 INFO L443 ceAbstractionStarter]: For program point L3(lines 3 5) no Hoare annotation was computed. [2019-10-15 01:01:27,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 01:01:27 BoogieIcfgContainer [2019-10-15 01:01:27,033 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-15 01:01:27,036 INFO L168 Benchmark]: Toolchain (without parser) took 1467.51 ms. Allocated memory was 144.2 MB in the beginning and 201.9 MB in the end (delta: 57.7 MB). Free memory was 100.9 MB in the beginning and 133.5 MB in the end (delta: -32.6 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. [2019-10-15 01:01:27,037 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 144.2 MB. Free memory is still 118.9 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-15 01:01:27,038 INFO L168 Benchmark]: CACSL2BoogieTranslator took 314.45 ms. Allocated memory is still 144.2 MB. Free memory was 100.9 MB in the beginning and 90.5 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. [2019-10-15 01:01:27,039 INFO L168 Benchmark]: Boogie Preprocessor took 139.10 ms. Allocated memory was 144.2 MB in the beginning and 201.9 MB in the end (delta: 57.7 MB). Free memory was 90.5 MB in the beginning and 179.4 MB in the end (delta: -89.0 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-10-15 01:01:27,040 INFO L168 Benchmark]: RCFGBuilder took 300.56 ms. Allocated memory is still 201.9 MB. Free memory was 179.4 MB in the beginning and 164.2 MB in the end (delta: 15.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 7.1 GB. [2019-10-15 01:01:27,041 INFO L168 Benchmark]: TraceAbstraction took 701.74 ms. Allocated memory is still 201.9 MB. Free memory was 163.3 MB in the beginning and 133.5 MB in the end (delta: 29.8 MB). Peak memory consumption was 29.8 MB. Max. memory is 7.1 GB. [2019-10-15 01:01:27,045 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 144.2 MB. Free memory is still 118.9 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 314.45 ms. Allocated memory is still 144.2 MB. Free memory was 100.9 MB in the beginning and 90.5 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 139.10 ms. Allocated memory was 144.2 MB in the beginning and 201.9 MB in the end (delta: 57.7 MB). Free memory was 90.5 MB in the beginning and 179.4 MB in the end (delta: -89.0 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 300.56 ms. Allocated memory is still 201.9 MB. Free memory was 179.4 MB in the beginning and 164.2 MB in the end (delta: 15.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 701.74 ms. Allocated memory is still 201.9 MB. Free memory was 163.3 MB in the beginning and 133.5 MB in the end (delta: 29.8 MB). Peak memory consumption was 29.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: 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 4 procedures, 18 locations, 1 error locations. Result: SAFE, OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 12 SDtfs, 5 SDslu, 31 SDs, 0 SdLazy, 8 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred 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, 6 LocationsWithAnnotation, 6 PreInvPairs, 6 NumberOfFragments, 8 HoareAnnotationTreeSize, 6 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 153 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...