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/loop-crafted/simple_vardep_2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 19:15:46,437 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 19:15:46,439 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 19:15:46,458 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 19:15:46,458 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 19:15:46,459 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 19:15:46,462 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 19:15:46,468 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 19:15:46,473 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 19:15:46,475 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 19:15:46,476 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 19:15:46,477 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 19:15:46,477 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 19:15:46,480 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 19:15:46,483 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 19:15:46,485 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 19:15:46,486 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 19:15:46,489 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 19:15:46,491 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 19:15:46,497 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 19:15:46,500 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 19:15:46,503 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 19:15:46,504 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 19:15:46,507 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 19:15:46,510 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-13 19:15:46,514 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 19:15:46,517 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 19:15:46,518 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 19:15:46,519 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 19:15:46,523 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 19:15:46,523 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 19:15:46,523 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 19:15:46,524 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 19:15:46,524 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 19:15:46,526 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 19:15:46,527 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 19:15:46,528 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 [2019-10-13 19:15:46,541 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 19:15:46,542 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 19:15:46,543 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 19:15:46,543 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 19:15:46,543 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 19:15:46,544 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 19:15:46,544 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 19:15:46,544 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 19:15:46,544 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 19:15:46,544 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 19:15:46,545 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 19:15:46,545 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 19:15:46,545 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 19:15:46,545 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 19:15:46,545 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 19:15:46,546 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 19:15:46,546 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 19:15:46,546 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 19:15:46,546 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 19:15:46,547 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 19:15:46,547 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 19:15:46,547 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 19:15:46,547 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 19:15:46,547 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 19:15:46,548 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 19:15:46,548 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 19:15:46,548 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 19:15:46,548 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 19:15:46,549 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-13 19:15:46,843 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 19:15:46,860 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 19:15:46,865 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 19:15:46,866 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 19:15:46,866 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 19:15:46,867 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-crafted/simple_vardep_2.c [2019-10-13 19:15:46,941 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2df707ee9/e785832aa2d94f838a4b00a73a23ca89/FLAGa872ad74d [2019-10-13 19:15:47,394 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 19:15:47,395 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-crafted/simple_vardep_2.c [2019-10-13 19:15:47,404 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2df707ee9/e785832aa2d94f838a4b00a73a23ca89/FLAGa872ad74d [2019-10-13 19:15:47,770 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2df707ee9/e785832aa2d94f838a4b00a73a23ca89 [2019-10-13 19:15:47,785 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 19:15:47,787 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 19:15:47,788 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 19:15:47,788 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 19:15:47,791 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 19:15:47,793 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:15:47" (1/1) ... [2019-10-13 19:15:47,796 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c0c74a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:15:47, skipping insertion in model container [2019-10-13 19:15:47,796 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:15:47" (1/1) ... [2019-10-13 19:15:47,804 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 19:15:47,822 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 19:15:47,992 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:15:48,003 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 19:15:48,023 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:15:48,039 INFO L192 MainTranslator]: Completed translation [2019-10-13 19:15:48,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:15:48 WrapperNode [2019-10-13 19:15:48,040 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 19:15:48,041 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 19:15:48,041 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 19:15:48,041 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 19:15:48,127 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:15:48" (1/1) ... [2019-10-13 19:15:48,127 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:15:48" (1/1) ... [2019-10-13 19:15:48,132 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:15:48" (1/1) ... [2019-10-13 19:15:48,134 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:15:48" (1/1) ... [2019-10-13 19:15:48,138 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:15:48" (1/1) ... [2019-10-13 19:15:48,143 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:15:48" (1/1) ... [2019-10-13 19:15:48,145 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:15:48" (1/1) ... [2019-10-13 19:15:48,146 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 19:15:48,148 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 19:15:48,148 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 19:15:48,148 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 19:15:48,149 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:15:48" (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 [2019-10-13 19:15:48,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 19:15:48,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 19:15:48,200 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-13 19:15:48,200 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 19:15:48,200 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 19:15:48,200 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-13 19:15:48,200 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 19:15:48,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 19:15:48,201 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 19:15:48,352 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 19:15:48,352 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-13 19:15:48,353 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:15:48 BoogieIcfgContainer [2019-10-13 19:15:48,353 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 19:15:48,354 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 19:15:48,355 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 19:15:48,357 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 19:15:48,358 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:15:47" (1/3) ... [2019-10-13 19:15:48,359 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36c292ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:15:48, skipping insertion in model container [2019-10-13 19:15:48,359 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:15:48" (2/3) ... [2019-10-13 19:15:48,359 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36c292ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:15:48, skipping insertion in model container [2019-10-13 19:15:48,359 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:15:48" (3/3) ... [2019-10-13 19:15:48,361 INFO L109 eAbstractionObserver]: Analyzing ICFG simple_vardep_2.c [2019-10-13 19:15:48,370 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 19:15:48,377 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 19:15:48,388 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 19:15:48,410 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 19:15:48,411 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 19:15:48,411 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 19:15:48,411 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 19:15:48,411 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 19:15:48,411 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 19:15:48,412 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 19:15:48,412 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 19:15:48,428 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2019-10-13 19:15:48,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-13 19:15:48,433 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:15:48,434 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 19:15:48,435 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:15:48,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:15:48,439 INFO L82 PathProgramCache]: Analyzing trace with hash 1847991872, now seen corresponding path program 1 times [2019-10-13 19:15:48,447 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:15:48,447 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538107537] [2019-10-13 19:15:48,447 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:15:48,448 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:15:48,448 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:15:48,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:15:49,088 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 34 [2019-10-13 19:15:49,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:15:49,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 19:15:49,115 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538107537] [2019-10-13 19:15:49,116 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:15:49,116 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 19:15:49,117 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236914589] [2019-10-13 19:15:49,121 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 19:15:49,122 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:15:49,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 19:15:49,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-13 19:15:49,139 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 6 states. [2019-10-13 19:15:49,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:15:49,209 INFO L93 Difference]: Finished difference Result 27 states and 32 transitions. [2019-10-13 19:15:49,210 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-13 19:15:49,211 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10 [2019-10-13 19:15:49,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:15:49,219 INFO L225 Difference]: With dead ends: 27 [2019-10-13 19:15:49,219 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 19:15:49,223 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-10-13 19:15:49,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 19:15:49,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 19:15:49,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 19:15:49,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 19:15:49,251 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2019-10-13 19:15:49,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:15:49,251 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 19:15:49,252 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 19:15:49,252 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 19:15:49,252 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 19:15:49,258 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 19:15:49,339 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2019-10-13 19:15:49,339 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 19:15:49,339 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 19:15:49,339 INFO L446 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2019-10-13 19:15:49,340 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 19:15:49,340 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 19:15:49,340 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 13 26) the Hoare annotation is: true [2019-10-13 19:15:49,340 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 13 26) no Hoare annotation was computed. [2019-10-13 19:15:49,341 INFO L439 ceAbstractionStarter]: At program point L23(line 23) the Hoare annotation is: (let ((.cse0 (* 2 main_~i~0)) (.cse1 (* 3 main_~i~0))) (and (<= .cse0 main_~j~0) (<= main_~j~0 .cse0) (<= .cse1 main_~k~0) (<= main_~k~0 .cse1))) [2019-10-13 19:15:49,342 INFO L439 ceAbstractionStarter]: At program point L23-1(lines 19 24) the Hoare annotation is: (let ((.cse0 (* 2 main_~i~0)) (.cse1 (* 3 main_~i~0))) (and (<= .cse0 main_~j~0) (<= main_~j~0 .cse0) (<= .cse1 main_~k~0) (<= main_~k~0 .cse1))) [2019-10-13 19:15:49,342 INFO L443 ceAbstractionStarter]: For program point L19-2(lines 13 26) no Hoare annotation was computed. [2019-10-13 19:15:49,342 INFO L446 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 5 11) the Hoare annotation is: true [2019-10-13 19:15:49,342 INFO L443 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 5 11) no Hoare annotation was computed. [2019-10-13 19:15:49,343 INFO L443 ceAbstractionStarter]: For program point L8(line 8) no Hoare annotation was computed. [2019-10-13 19:15:49,343 INFO L443 ceAbstractionStarter]: For program point L7(lines 7 9) no Hoare annotation was computed. [2019-10-13 19:15:49,343 INFO L443 ceAbstractionStarter]: For program point L7-2(lines 5 11) no Hoare annotation was computed. [2019-10-13 19:15:49,343 INFO L443 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 8) no Hoare annotation was computed. [2019-10-13 19:15:49,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 07:15:49 BoogieIcfgContainer [2019-10-13 19:15:49,370 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 19:15:49,373 INFO L168 Benchmark]: Toolchain (without parser) took 1585.56 ms. Allocated memory was 138.9 MB in the beginning and 201.9 MB in the end (delta: 62.9 MB). Free memory was 103.4 MB in the beginning and 122.7 MB in the end (delta: -19.2 MB). Peak memory consumption was 43.7 MB. Max. memory is 7.1 GB. [2019-10-13 19:15:49,373 INFO L168 Benchmark]: CDTParser took 0.46 ms. Allocated memory is still 138.9 MB. Free memory is still 121.8 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-13 19:15:49,375 INFO L168 Benchmark]: CACSL2BoogieTranslator took 252.88 ms. Allocated memory is still 138.9 MB. Free memory was 103.4 MB in the beginning and 94.2 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-10-13 19:15:49,376 INFO L168 Benchmark]: Boogie Preprocessor took 105.67 ms. Allocated memory was 138.9 MB in the beginning and 201.9 MB in the end (delta: 62.9 MB). Free memory was 94.2 MB in the beginning and 180.1 MB in the end (delta: -85.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. [2019-10-13 19:15:49,377 INFO L168 Benchmark]: RCFGBuilder took 206.02 ms. Allocated memory is still 201.9 MB. Free memory was 180.1 MB in the beginning and 169.8 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2019-10-13 19:15:49,378 INFO L168 Benchmark]: TraceAbstraction took 1015.89 ms. Allocated memory is still 201.9 MB. Free memory was 169.8 MB in the beginning and 122.7 MB in the end (delta: 47.1 MB). Peak memory consumption was 47.1 MB. Max. memory is 7.1 GB. [2019-10-13 19:15:49,382 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 ms. Allocated memory is still 138.9 MB. Free memory is still 121.8 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 252.88 ms. Allocated memory is still 138.9 MB. Free memory was 103.4 MB in the beginning and 94.2 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 105.67 ms. Allocated memory was 138.9 MB in the beginning and 201.9 MB in the end (delta: 62.9 MB). Free memory was 94.2 MB in the beginning and 180.1 MB in the end (delta: -85.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 206.02 ms. Allocated memory is still 201.9 MB. Free memory was 180.1 MB in the beginning and 169.8 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1015.89 ms. Allocated memory is still 201.9 MB. Free memory was 169.8 MB in the beginning and 122.7 MB in the end (delta: 47.1 MB). Peak memory consumption was 47.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 8]: 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: 19]: Loop Invariant Derived loop invariant: ((2 * i <= j && j <= 2 * i) && 3 * i <= k) && k <= 3 * i - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 17 locations, 1 error locations. Result: SAFE, OverallTime: 0.9s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 10 SDtfs, 7 SDslu, 33 SDs, 0 SdLazy, 15 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred 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, 8 PreInvPairs, 10 NumberOfFragments, 47 HoareAnnotationTreeSize, 8 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 1143 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...