/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/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-regression/volatile_alias.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-06 21:11:07,219 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 21:11:07,222 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 21:11:07,241 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-06 21:11:07,241 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-06 21:11:07,244 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-06 21:11:07,246 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-06 21:11:07,258 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-06 21:11:07,260 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-06 21:11:07,262 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-06 21:11:07,264 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-06 21:11:07,266 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-06 21:11:07,266 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-06 21:11:07,270 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-06 21:11:07,272 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-06 21:11:07,274 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-06 21:11:07,276 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-06 21:11:07,278 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-06 21:11:07,279 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-06 21:11:07,281 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-06 21:11:07,283 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-06 21:11:07,284 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-06 21:11:07,285 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-06 21:11:07,286 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-06 21:11:07,288 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-06 21:11:07,299 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 21:11:07,301 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 21:11:07,302 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 21:11:07,302 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 [2019-11-06 21:11:07,323 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 21:11:07,323 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 21:11:07,325 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 21:11:07,325 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 21:11:07,325 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 21:11:07,325 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 21:11:07,326 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 21:11:07,326 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 21:11:07,326 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 21:11:07,326 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 21:11:07,327 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 21:11:07,328 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 21:11:07,328 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 21:11:07,328 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 21:11:07,328 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 21:11:07,329 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 21:11:07,329 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 21:11:07,329 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 21:11:07,329 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 21:11:07,329 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 21:11:07,330 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 21:11:07,330 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 21:11:07,330 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 21:11:07,330 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 21:11:07,331 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 21:11:07,331 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 21:11:07,331 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 21:11:07,331 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 21:11:07,331 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-06 21:11:07,602 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 21:11:07,618 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 21:11:07,623 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 21:11:07,625 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 21:11:07,625 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 21:11:07,626 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/volatile_alias.i [2019-11-06 21:11:07,698 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/554f106be/50d371c507b444ebabbd5e6befe45bec/FLAG1517441a9 [2019-11-06 21:11:08,166 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 21:11:08,168 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/volatile_alias.i [2019-11-06 21:11:08,175 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/554f106be/50d371c507b444ebabbd5e6befe45bec/FLAG1517441a9 [2019-11-06 21:11:08,564 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/554f106be/50d371c507b444ebabbd5e6befe45bec [2019-11-06 21:11:08,576 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 21:11:08,578 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 21:11:08,580 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 21:11:08,580 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 21:11:08,583 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 21:11:08,585 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:11:08" (1/1) ... [2019-11-06 21:11:08,588 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bab51dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:11:08, skipping insertion in model container [2019-11-06 21:11:08,588 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:11:08" (1/1) ... [2019-11-06 21:11:08,597 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 21:11:08,613 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 21:11:08,774 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:11:08,785 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 21:11:08,798 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:11:08,812 INFO L192 MainTranslator]: Completed translation [2019-11-06 21:11:08,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:11:08 WrapperNode [2019-11-06 21:11:08,813 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 21:11:08,814 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 21:11:08,814 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 21:11:08,814 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 21:11:08,906 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:11:08" (1/1) ... [2019-11-06 21:11:08,907 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:11:08" (1/1) ... [2019-11-06 21:11:08,915 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:11:08" (1/1) ... [2019-11-06 21:11:08,915 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:11:08" (1/1) ... [2019-11-06 21:11:08,920 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:11:08" (1/1) ... [2019-11-06 21:11:08,922 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:11:08" (1/1) ... [2019-11-06 21:11:08,923 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:11:08" (1/1) ... [2019-11-06 21:11:08,925 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 21:11:08,925 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 21:11:08,925 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 21:11:08,925 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 21:11:08,926 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:11:08" (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 [2019-11-06 21:11:08,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 21:11:08,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 21:11:08,982 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 21:11:08,982 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 21:11:08,982 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 21:11:08,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-06 21:11:08,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-06 21:11:08,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-06 21:11:08,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-06 21:11:08,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-06 21:11:08,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 21:11:08,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 21:11:09,147 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 21:11:09,148 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-11-06 21:11:09,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:11:09 BoogieIcfgContainer [2019-11-06 21:11:09,149 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 21:11:09,150 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 21:11:09,151 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 21:11:09,154 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 21:11:09,154 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:11:08" (1/3) ... [2019-11-06 21:11:09,155 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2751f64d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:11:09, skipping insertion in model container [2019-11-06 21:11:09,155 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:11:08" (2/3) ... [2019-11-06 21:11:09,155 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2751f64d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:11:09, skipping insertion in model container [2019-11-06 21:11:09,156 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:11:09" (3/3) ... [2019-11-06 21:11:09,157 INFO L109 eAbstractionObserver]: Analyzing ICFG volatile_alias.i [2019-11-06 21:11:09,168 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 21:11:09,175 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 21:11:09,187 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 21:11:09,212 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 21:11:09,212 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 21:11:09,212 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 21:11:09,213 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 21:11:09,213 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 21:11:09,213 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 21:11:09,213 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 21:11:09,213 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 21:11:09,230 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states. [2019-11-06 21:11:09,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-06 21:11:09,236 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:11:09,237 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 21:11:09,239 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:11:09,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:11:09,244 INFO L82 PathProgramCache]: Analyzing trace with hash 2096341077, now seen corresponding path program 1 times [2019-11-06 21:11:09,250 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:11:09,251 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350519560] [2019-11-06 21:11:09,251 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:11:09,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:11:09,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:11:09,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 21:11:09,469 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350519560] [2019-11-06 21:11:09,473 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:11:09,473 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-06 21:11:09,475 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626044660] [2019-11-06 21:11:09,491 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-06 21:11:09,491 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:11:09,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-06 21:11:09,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-06 21:11:09,539 INFO L87 Difference]: Start difference. First operand 14 states. Second operand 4 states. [2019-11-06 21:11:09,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 21:11:09,618 INFO L93 Difference]: Finished difference Result 19 states and 18 transitions. [2019-11-06 21:11:09,619 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-06 21:11:09,620 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2019-11-06 21:11:09,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 21:11:09,630 INFO L225 Difference]: With dead ends: 19 [2019-11-06 21:11:09,630 INFO L226 Difference]: Without dead ends: 0 [2019-11-06 21:11:09,636 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-06 21:11:09,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-06 21:11:09,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-06 21:11:09,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-06 21:11:09,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-06 21:11:09,661 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 8 [2019-11-06 21:11:09,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 21:11:09,662 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-06 21:11:09,662 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-06 21:11:09,662 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-06 21:11:09,663 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-06 21:11:09,668 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-06 21:11:09,712 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-11-06 21:11:09,712 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2019-11-06 21:11:09,713 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-11-06 21:11:09,713 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-06 21:11:09,713 INFO L446 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2019-11-06 21:11:09,713 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-06 21:11:09,714 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-06 21:11:09,714 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 6 16) the Hoare annotation is: (= |#valid| |old(#valid)|) [2019-11-06 21:11:09,714 INFO L443 ceAbstractionStarter]: For program point L13(line 13) no Hoare annotation was computed. [2019-11-06 21:11:09,715 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 6 16) no Hoare annotation was computed. [2019-11-06 21:11:09,715 INFO L443 ceAbstractionStarter]: For program point L12(lines 12 14) no Hoare annotation was computed. [2019-11-06 21:11:09,715 INFO L443 ceAbstractionStarter]: For program point L12-2(lines 12 14) no Hoare annotation was computed. [2019-11-06 21:11:09,715 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 6 16) no Hoare annotation was computed. [2019-11-06 21:11:09,716 INFO L443 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 13) no Hoare annotation was computed. [2019-11-06 21:11:09,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 09:11:09 BoogieIcfgContainer [2019-11-06 21:11:09,719 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-06 21:11:09,724 INFO L168 Benchmark]: Toolchain (without parser) took 1144.40 ms. Allocated memory was 140.0 MB in the beginning and 203.9 MB in the end (delta: 64.0 MB). Free memory was 103.4 MB in the beginning and 144.4 MB in the end (delta: -41.0 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. [2019-11-06 21:11:09,726 INFO L168 Benchmark]: CDTParser took 0.47 ms. Allocated memory is still 140.0 MB. Free memory was 121.9 MB in the beginning and 121.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-06 21:11:09,728 INFO L168 Benchmark]: CACSL2BoogieTranslator took 234.00 ms. Allocated memory is still 140.0 MB. Free memory was 103.2 MB in the beginning and 93.7 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-11-06 21:11:09,731 INFO L168 Benchmark]: Boogie Preprocessor took 110.73 ms. Allocated memory was 140.0 MB in the beginning and 203.9 MB in the end (delta: 64.0 MB). Free memory was 93.7 MB in the beginning and 182.0 MB in the end (delta: -88.3 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. [2019-11-06 21:11:09,732 INFO L168 Benchmark]: RCFGBuilder took 224.52 ms. Allocated memory is still 203.9 MB. Free memory was 182.0 MB in the beginning and 170.8 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. [2019-11-06 21:11:09,733 INFO L168 Benchmark]: TraceAbstraction took 569.04 ms. Allocated memory is still 203.9 MB. Free memory was 170.2 MB in the beginning and 144.4 MB in the end (delta: 25.8 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. [2019-11-06 21:11:09,745 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47 ms. Allocated memory is still 140.0 MB. Free memory was 121.9 MB in the beginning and 121.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 234.00 ms. Allocated memory is still 140.0 MB. Free memory was 103.2 MB in the beginning and 93.7 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 110.73 ms. Allocated memory was 140.0 MB in the beginning and 203.9 MB in the end (delta: 64.0 MB). Free memory was 93.7 MB in the beginning and 182.0 MB in the end (delta: -88.3 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 224.52 ms. Allocated memory is still 203.9 MB. Free memory was 182.0 MB in the beginning and 170.8 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 569.04 ms. Allocated memory is still 203.9 MB. Free memory was 170.2 MB in the beginning and 144.4 MB in the end (delta: 25.8 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 13]: 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 3 procedures, 14 locations, 1 error locations. Result: SAFE, OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 8 SDtfs, 0 SDslu, 12 SDs, 0 SdLazy, 10 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred 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, 4 LocationsWithAnnotation, 4 PreInvPairs, 4 NumberOfFragments, 15 HoareAnnotationTreeSize, 4 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 7 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 126 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...