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/test04.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-14 23:08:29,134 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 23:08:29,136 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 23:08:29,150 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 23:08:29,150 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 23:08:29,151 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 23:08:29,153 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 23:08:29,155 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 23:08:29,157 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 23:08:29,158 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 23:08:29,159 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 23:08:29,160 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 23:08:29,160 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 23:08:29,162 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 23:08:29,163 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 23:08:29,164 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 23:08:29,165 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 23:08:29,166 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 23:08:29,168 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 23:08:29,170 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 23:08:29,173 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 23:08:29,177 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 23:08:29,178 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 23:08:29,181 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 23:08:29,183 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-14 23:08:29,198 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 23:08:29,200 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 23:08:29,202 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 23:08:29,205 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 [2019-10-14 23:08:29,226 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 23:08:29,226 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 23:08:29,228 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 23:08:29,229 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 23:08:29,229 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 23:08:29,229 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 23:08:29,229 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 23:08:29,230 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 23:08:29,230 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 23:08:29,230 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 23:08:29,231 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 23:08:29,231 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 23:08:29,231 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 23:08:29,232 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 23:08:29,232 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 23:08:29,232 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 23:08:29,232 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 23:08:29,233 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 23:08:29,233 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 23:08:29,233 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 23:08:29,233 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 23:08:29,234 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:08:29,234 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 23:08:29,234 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 23:08:29,234 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 23:08:29,234 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 23:08:29,235 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 23:08:29,235 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 23:08:29,235 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 23:08:29,516 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 23:08:29,529 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 23:08:29,533 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 23:08:29,535 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 23:08:29,535 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 23:08:29,536 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test04.c [2019-10-14 23:08:29,596 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cfd17b7ec/c60e5f5249e04034ba9139a0b6d86184/FLAGe56a20d2b [2019-10-14 23:08:30,013 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 23:08:30,014 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test04.c [2019-10-14 23:08:30,020 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cfd17b7ec/c60e5f5249e04034ba9139a0b6d86184/FLAGe56a20d2b [2019-10-14 23:08:30,431 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cfd17b7ec/c60e5f5249e04034ba9139a0b6d86184 [2019-10-14 23:08:30,448 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 23:08:30,450 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 23:08:30,451 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 23:08:30,451 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 23:08:30,457 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 23:08:30,458 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:08:30" (1/1) ... [2019-10-14 23:08:30,461 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ea19e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:08:30, skipping insertion in model container [2019-10-14 23:08:30,462 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:08:30" (1/1) ... [2019-10-14 23:08:30,469 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 23:08:30,485 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 23:08:30,691 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:08:30,715 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 23:08:30,735 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:08:30,752 INFO L192 MainTranslator]: Completed translation [2019-10-14 23:08:30,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:08:30 WrapperNode [2019-10-14 23:08:30,753 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 23:08:30,753 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 23:08:30,754 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 23:08:30,754 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 23:08:30,840 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:08:30" (1/1) ... [2019-10-14 23:08:30,840 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:08:30" (1/1) ... [2019-10-14 23:08:30,850 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:08:30" (1/1) ... [2019-10-14 23:08:30,852 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:08:30" (1/1) ... [2019-10-14 23:08:30,861 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:08:30" (1/1) ... [2019-10-14 23:08:30,863 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:08:30" (1/1) ... [2019-10-14 23:08:30,865 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:08:30" (1/1) ... [2019-10-14 23:08:30,878 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 23:08:30,879 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 23:08:30,879 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 23:08:30,879 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 23:08:30,880 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:08:30" (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 [2019-10-14 23:08:30,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 23:08:30,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 23:08:30,940 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-10-14 23:08:30,940 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 23:08:30,940 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 23:08:30,941 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-10-14 23:08:30,941 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 23:08:30,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 23:08:30,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 23:08:30,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 23:08:30,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 23:08:30,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 23:08:30,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 23:08:31,150 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 23:08:31,150 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-14 23:08:31,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:08:31 BoogieIcfgContainer [2019-10-14 23:08:31,152 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 23:08:31,153 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 23:08:31,153 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 23:08:31,163 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 23:08:31,164 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:08:30" (1/3) ... [2019-10-14 23:08:31,165 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@527e4cf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:08:31, skipping insertion in model container [2019-10-14 23:08:31,165 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:08:30" (2/3) ... [2019-10-14 23:08:31,165 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@527e4cf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:08:31, skipping insertion in model container [2019-10-14 23:08:31,166 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:08:31" (3/3) ... [2019-10-14 23:08:31,168 INFO L109 eAbstractionObserver]: Analyzing ICFG test04.c [2019-10-14 23:08:31,196 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 23:08:31,208 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 23:08:31,237 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 23:08:31,273 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 23:08:31,273 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 23:08:31,273 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 23:08:31,273 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 23:08:31,273 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 23:08:31,274 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 23:08:31,274 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 23:08:31,274 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 23:08:31,300 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2019-10-14 23:08:31,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-10-14 23:08:31,305 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:08:31,306 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:08:31,308 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:08:31,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:08:31,312 INFO L82 PathProgramCache]: Analyzing trace with hash 1498735640, now seen corresponding path program 1 times [2019-10-14 23:08:31,319 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:08:31,319 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491537814] [2019-10-14 23:08:31,319 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:08:31,320 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:08:31,320 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:08:31,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:08:31,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:08:31,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:08:31,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:08:31,639 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491537814] [2019-10-14 23:08:31,640 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:08:31,640 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-14 23:08:31,641 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95124832] [2019-10-14 23:08:31,646 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-14 23:08:31,646 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:08:31,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-14 23:08:31,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-14 23:08:31,660 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 7 states. [2019-10-14 23:08:31,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:08:31,836 INFO L93 Difference]: Finished difference Result 22 states and 21 transitions. [2019-10-14 23:08:31,838 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-14 23:08:31,840 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 13 [2019-10-14 23:08:31,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:08:31,852 INFO L225 Difference]: With dead ends: 22 [2019-10-14 23:08:31,852 INFO L226 Difference]: Without dead ends: 0 [2019-10-14 23:08:31,859 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2019-10-14 23:08:31,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-14 23:08:31,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-14 23:08:31,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-14 23:08:31,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-14 23:08:31,898 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2019-10-14 23:08:31,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:08:31,899 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-14 23:08:31,899 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-14 23:08:31,900 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-14 23:08:31,901 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-14 23:08:31,907 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-14 23:08:31,994 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-14 23:08:31,994 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)|)) [2019-10-14 23:08:31,994 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-14 23:08:31,995 INFO L443 ceAbstractionStarter]: For program point fEXIT(lines 4 6) no Hoare annotation was computed. [2019-10-14 23:08:31,995 INFO L446 ceAbstractionStarter]: At program point fENTRY(lines 4 6) the Hoare annotation is: true [2019-10-14 23:08:31,995 INFO L443 ceAbstractionStarter]: For program point fFINAL(lines 4 6) no Hoare annotation was computed. [2019-10-14 23:08:31,995 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-14 23:08:31,996 INFO L446 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2019-10-14 23:08:31,996 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-14 23:08:31,996 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-14 23:08:31,996 INFO L439 ceAbstractionStarter]: At program point L17(lines 8 24) the Hoare annotation is: false [2019-10-14 23:08:31,997 INFO L443 ceAbstractionStarter]: For program point L16(lines 16 18) no Hoare annotation was computed. [2019-10-14 23:08:31,997 INFO L443 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 22) no Hoare annotation was computed. [2019-10-14 23:08:31,997 INFO L439 ceAbstractionStarter]: At program point L14(line 14) the Hoare annotation is: (and (= main_~p1~0.base |main_~#a~0.base|) (not (= main_~p1~0.base main_~p2~0.base)) (= main_~p1~0.offset |main_~#a~0.offset|)) [2019-10-14 23:08:31,997 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 8 24) the Hoare annotation is: (= |#valid| |old(#valid)|) [2019-10-14 23:08:31,998 INFO L443 ceAbstractionStarter]: For program point L14-1(line 14) no Hoare annotation was computed. [2019-10-14 23:08:31,998 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 8 24) no Hoare annotation was computed. [2019-10-14 23:08:31,998 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 8 24) no Hoare annotation was computed. [2019-10-14 23:08:32,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 11:08:32 BoogieIcfgContainer [2019-10-14 23:08:32,010 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-14 23:08:32,014 INFO L168 Benchmark]: Toolchain (without parser) took 1562.57 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 101.9 MB in the beginning and 121.5 MB in the end (delta: -19.6 MB). Peak memory consumption was 44.4 MB. Max. memory is 7.1 GB. [2019-10-14 23:08:32,016 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 137.4 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-14 23:08:32,018 INFO L168 Benchmark]: CACSL2BoogieTranslator took 302.47 ms. Allocated memory is still 137.4 MB. Free memory was 101.7 MB in the beginning and 92.1 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-10-14 23:08:32,020 INFO L168 Benchmark]: Boogie Preprocessor took 125.15 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 92.1 MB in the beginning and 179.5 MB in the end (delta: -87.4 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. [2019-10-14 23:08:32,021 INFO L168 Benchmark]: RCFGBuilder took 272.81 ms. Allocated memory is still 201.3 MB. Free memory was 179.5 MB in the beginning and 166.4 MB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 7.1 GB. [2019-10-14 23:08:32,023 INFO L168 Benchmark]: TraceAbstraction took 857.47 ms. Allocated memory is still 201.3 MB. Free memory was 166.4 MB in the beginning and 121.5 MB in the end (delta: 44.9 MB). Peak memory consumption was 44.9 MB. Max. memory is 7.1 GB. [2019-10-14 23:08:32,033 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 137.4 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 302.47 ms. Allocated memory is still 137.4 MB. Free memory was 101.7 MB in the beginning and 92.1 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 125.15 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 92.1 MB in the beginning and 179.5 MB in the end (delta: -87.4 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 272.81 ms. Allocated memory is still 201.3 MB. Free memory was 179.5 MB in the beginning and 166.4 MB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 857.47 ms. Allocated memory is still 201.3 MB. Free memory was 166.4 MB in the beginning and 121.5 MB in the end (delta: 44.9 MB). Peak memory consumption was 44.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 22]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 8]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 18 locations, 1 error locations. Result: SAFE, OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 10 SDtfs, 2 SDslu, 35 SDs, 0 SdLazy, 33 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s 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, 7 LocationsWithAnnotation, 7 PreInvPairs, 7 NumberOfFragments, 28 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 16 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 744 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...