/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/test19.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-06 21:10:42,415 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 21:10:42,418 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 21:10:42,437 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-06 21:10:42,437 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-06 21:10:42,439 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-06 21:10:42,441 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-06 21:10:42,454 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-06 21:10:42,456 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-06 21:10:42,458 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-06 21:10:42,459 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-06 21:10:42,460 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-06 21:10:42,460 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-06 21:10:42,461 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-06 21:10:42,462 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-06 21:10:42,463 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-06 21:10:42,464 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-06 21:10:42,465 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-06 21:10:42,466 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-06 21:10:42,469 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-06 21:10:42,472 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-06 21:10:42,474 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-06 21:10:42,475 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-06 21:10:42,475 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-06 21:10:42,480 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-06 21:10:42,494 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 21:10:42,498 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 21:10:42,499 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 21:10:42,501 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 21:10:42,523 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 21:10:42,524 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 21:10:42,526 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 21:10:42,526 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 21:10:42,526 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 21:10:42,526 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 21:10:42,527 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 21:10:42,527 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 21:10:42,527 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 21:10:42,527 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 21:10:42,528 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 21:10:42,529 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 21:10:42,529 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 21:10:42,529 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 21:10:42,529 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 21:10:42,530 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 21:10:42,530 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 21:10:42,530 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 21:10:42,530 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 21:10:42,530 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 21:10:42,531 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 21:10:42,531 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 21:10:42,531 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 21:10:42,532 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 21:10:42,532 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 21:10:42,532 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 21:10:42,532 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 21:10:42,532 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 21:10:42,532 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-06 21:10:42,815 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 21:10:42,828 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 21:10:42,834 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 21:10:42,835 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 21:10:42,836 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 21:10:42,836 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test19.c [2019-11-06 21:10:42,912 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd3b73ac8/84b7a4da7fd44994bd7435c08d6c0e67/FLAG7c1126280 [2019-11-06 21:10:43,335 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 21:10:43,336 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test19.c [2019-11-06 21:10:43,343 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd3b73ac8/84b7a4da7fd44994bd7435c08d6c0e67/FLAG7c1126280 [2019-11-06 21:10:43,749 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd3b73ac8/84b7a4da7fd44994bd7435c08d6c0e67 [2019-11-06 21:10:43,762 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 21:10:43,764 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 21:10:43,765 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 21:10:43,765 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 21:10:43,768 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 21:10:43,770 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:10:43" (1/1) ... [2019-11-06 21:10:43,773 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63110a36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:10:43, skipping insertion in model container [2019-11-06 21:10:43,773 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:10:43" (1/1) ... [2019-11-06 21:10:43,781 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 21:10:43,801 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 21:10:43,973 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:10:43,986 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 21:10:44,000 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:10:44,016 INFO L192 MainTranslator]: Completed translation [2019-11-06 21:10:44,017 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:10:44 WrapperNode [2019-11-06 21:10:44,017 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 21:10:44,017 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 21:10:44,018 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 21:10:44,018 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 21:10:44,098 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:10:44" (1/1) ... [2019-11-06 21:10:44,098 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:10:44" (1/1) ... [2019-11-06 21:10:44,107 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:10:44" (1/1) ... [2019-11-06 21:10:44,107 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:10:44" (1/1) ... [2019-11-06 21:10:44,114 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:10:44" (1/1) ... [2019-11-06 21:10:44,116 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:10:44" (1/1) ... [2019-11-06 21:10:44,117 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:10:44" (1/1) ... [2019-11-06 21:10:44,120 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 21:10:44,120 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 21:10:44,120 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 21:10:44,120 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 21:10:44,121 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:10:44" (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 21:10:44,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 21:10:44,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 21:10:44,176 INFO L138 BoogieDeclarations]: Found implementation of procedure assign [2019-11-06 21:10:44,176 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 21:10:44,176 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 21:10:44,176 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-06 21:10:44,177 INFO L130 BoogieDeclarations]: Found specification of procedure assign [2019-11-06 21:10:44,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-06 21:10:44,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-06 21:10:44,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-06 21:10:44,177 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 21:10:44,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-06 21:10:44,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-06 21:10:44,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-06 21:10:44,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-06 21:10:44,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 21:10:44,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 21:10:44,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-06 21:10:44,397 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 21:10:44,398 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-11-06 21:10:44,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:10:44 BoogieIcfgContainer [2019-11-06 21:10:44,399 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 21:10:44,400 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 21:10:44,400 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 21:10:44,404 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 21:10:44,405 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:10:43" (1/3) ... [2019-11-06 21:10:44,406 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39242015 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:10:44, skipping insertion in model container [2019-11-06 21:10:44,406 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:10:44" (2/3) ... [2019-11-06 21:10:44,407 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39242015 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:10:44, skipping insertion in model container [2019-11-06 21:10:44,407 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:10:44" (3/3) ... [2019-11-06 21:10:44,410 INFO L109 eAbstractionObserver]: Analyzing ICFG test19.c [2019-11-06 21:10:44,420 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 21:10:44,428 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 21:10:44,438 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 21:10:44,463 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 21:10:44,463 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 21:10:44,463 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 21:10:44,463 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 21:10:44,463 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 21:10:44,464 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 21:10:44,464 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 21:10:44,464 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 21:10:44,477 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2019-11-06 21:10:44,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-06 21:10:44,482 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:10:44,483 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 21:10:44,484 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:10:44,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:10:44,490 INFO L82 PathProgramCache]: Analyzing trace with hash 1876068538, now seen corresponding path program 1 times [2019-11-06 21:10:44,498 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:10:44,498 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131393744] [2019-11-06 21:10:44,499 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:10:44,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:10:44,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:10:44,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:10:45,038 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 21:10:45,039 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131393744] [2019-11-06 21:10:45,041 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:10:45,041 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-06 21:10:45,042 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507518235] [2019-11-06 21:10:45,051 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-06 21:10:45,051 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:10:45,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-06 21:10:45,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-11-06 21:10:45,071 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 8 states. [2019-11-06 21:10:45,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 21:10:45,320 INFO L93 Difference]: Finished difference Result 22 states and 21 transitions. [2019-11-06 21:10:45,321 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-06 21:10:45,322 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 13 [2019-11-06 21:10:45,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 21:10:45,329 INFO L225 Difference]: With dead ends: 22 [2019-11-06 21:10:45,330 INFO L226 Difference]: Without dead ends: 0 [2019-11-06 21:10:45,333 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2019-11-06 21:10:45,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-06 21:10:45,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-06 21:10:45,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-06 21:10:45,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-06 21:10:45,361 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2019-11-06 21:10:45,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 21:10:45,361 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-06 21:10:45,361 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-06 21:10:45,362 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-06 21:10:45,362 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-06 21:10:45,367 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-06 21:10:45,518 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-11-06 21:10:45,519 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 21:10:45,519 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-11-06 21:10:45,519 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-06 21:10:45,519 INFO L446 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2019-11-06 21:10:45,520 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-06 21:10:45,520 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-06 21:10:45,520 INFO L439 ceAbstractionStarter]: At program point L17(lines 11 24) the Hoare annotation is: false [2019-11-06 21:10:45,520 INFO L443 ceAbstractionStarter]: For program point L16(lines 16 18) no Hoare annotation was computed. [2019-11-06 21:10:45,521 INFO L439 ceAbstractionStarter]: At program point L15(line 15) the Hoare annotation is: (and (= (select (select |#memory_$Pointer$.base| |main_~#pa~1.base|) |main_~#pa~1.offset|) |main_~#a~0.base|) (= |main_~#b~0.base| (select (select |#memory_$Pointer$.base| |main_~#pb~1.base|) |main_~#pb~1.offset|)) (= |main_~#a~0.offset| (select (select |#memory_$Pointer$.offset| |main_~#pa~1.base|) |main_~#pa~1.offset|)) (= |main_~#b~0.offset| (select (select |#memory_$Pointer$.offset| |main_~#pb~1.base|) |main_~#pb~1.offset|)) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2019-11-06 21:10:45,521 INFO L443 ceAbstractionStarter]: For program point L15-1(line 15) no Hoare annotation was computed. [2019-11-06 21:10:45,522 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 11 24) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2019-11-06 21:10:45,522 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 11 24) no Hoare annotation was computed. [2019-11-06 21:10:45,522 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 11 24) no Hoare annotation was computed. [2019-11-06 21:10:45,523 INFO L443 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 22) no Hoare annotation was computed. [2019-11-06 21:10:45,523 INFO L443 ceAbstractionStarter]: For program point assignEXIT(lines 5 9) no Hoare annotation was computed. [2019-11-06 21:10:45,524 INFO L439 ceAbstractionStarter]: At program point assignENTRY(lines 5 9) the Hoare annotation is: (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2019-11-06 21:10:45,524 INFO L443 ceAbstractionStarter]: For program point assignFINAL(lines 5 9) no Hoare annotation was computed. [2019-11-06 21:10:45,537 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 09:10:45 BoogieIcfgContainer [2019-11-06 21:10:45,538 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-06 21:10:45,541 INFO L168 Benchmark]: Toolchain (without parser) took 1776.19 ms. Allocated memory was 137.9 MB in the beginning and 201.9 MB in the end (delta: 64.0 MB). Free memory was 101.7 MB in the beginning and 97.6 MB in the end (delta: 4.1 MB). Peak memory consumption was 68.1 MB. Max. memory is 7.1 GB. [2019-11-06 21:10:45,542 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 137.9 MB. Free memory was 119.8 MB in the beginning and 119.6 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-11-06 21:10:45,543 INFO L168 Benchmark]: CACSL2BoogieTranslator took 252.52 ms. Allocated memory is still 137.9 MB. Free memory was 101.5 MB in the beginning and 91.4 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2019-11-06 21:10:45,544 INFO L168 Benchmark]: Boogie Preprocessor took 102.29 ms. Allocated memory was 137.9 MB in the beginning and 201.9 MB in the end (delta: 64.0 MB). Free memory was 91.4 MB in the beginning and 180.0 MB in the end (delta: -88.6 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. [2019-11-06 21:10:45,545 INFO L168 Benchmark]: RCFGBuilder took 279.01 ms. Allocated memory is still 201.9 MB. Free memory was 180.0 MB in the beginning and 164.6 MB in the end (delta: 15.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 7.1 GB. [2019-11-06 21:10:45,546 INFO L168 Benchmark]: TraceAbstraction took 1137.72 ms. Allocated memory is still 201.9 MB. Free memory was 163.9 MB in the beginning and 97.6 MB in the end (delta: 66.3 MB). Peak memory consumption was 66.3 MB. Max. memory is 7.1 GB. [2019-11-06 21:10:45,550 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 ms. Allocated memory is still 137.9 MB. Free memory was 119.8 MB in the beginning and 119.6 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 252.52 ms. Allocated memory is still 137.9 MB. Free memory was 101.5 MB in the beginning and 91.4 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 102.29 ms. Allocated memory was 137.9 MB in the beginning and 201.9 MB in the end (delta: 64.0 MB). Free memory was 91.4 MB in the beginning and 180.0 MB in the end (delta: -88.6 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 279.01 ms. Allocated memory is still 201.9 MB. Free memory was 180.0 MB in the beginning and 164.6 MB in the end (delta: 15.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1137.72 ms. Allocated memory is still 201.9 MB. Free memory was 163.9 MB in the beginning and 97.6 MB in the end (delta: 66.3 MB). Peak memory consumption was 66.3 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: 11]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 18 locations, 1 error locations. Result: SAFE, OverallTime: 1.0s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 9 SDtfs, 3 SDslu, 26 SDs, 0 SdLazy, 53 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s 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, 78 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 24 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 1800 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...