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-industry-pattern/mod3.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-02 11:16:49,644 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-02 11:16:49,646 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-02 11:16:49,658 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-02 11:16:49,658 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-02 11:16:49,659 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-02 11:16:49,660 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-02 11:16:49,662 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-02 11:16:49,664 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-02 11:16:49,665 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-02 11:16:49,666 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-02 11:16:49,667 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-02 11:16:49,667 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-02 11:16:49,668 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-02 11:16:49,669 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-02 11:16:49,671 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-02 11:16:49,671 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-02 11:16:49,672 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-02 11:16:49,674 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-02 11:16:49,677 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-02 11:16:49,678 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-02 11:16:49,682 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-02 11:16:49,685 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-02 11:16:49,686 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-02 11:16:49,693 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-02 11:16:49,694 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-02 11:16:49,694 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-02 11:16:49,695 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-02 11:16:49,698 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-02 11:16:49,699 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-02 11:16:49,699 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-02 11:16:49,700 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-02 11:16:49,703 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-02 11:16:49,704 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-02 11:16:49,707 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-02 11:16:49,707 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-02 11:16:49,708 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-02 11:16:49,708 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-02 11:16:49,709 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-02 11:16:49,710 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-02 11:16:49,710 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-02 11:16:49,711 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 [2019-10-02 11:16:49,737 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-02 11:16:49,737 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-02 11:16:49,739 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-02 11:16:49,740 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-02 11:16:49,740 INFO L138 SettingsManager]: * Use SBE=true [2019-10-02 11:16:49,740 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-02 11:16:49,741 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-02 11:16:49,741 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-02 11:16:49,741 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-02 11:16:49,741 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-02 11:16:49,742 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-02 11:16:49,742 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-02 11:16:49,743 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-02 11:16:49,743 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-02 11:16:49,743 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-02 11:16:49,743 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-02 11:16:49,744 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-02 11:16:49,744 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-02 11:16:49,744 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-02 11:16:49,744 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-02 11:16:49,745 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-02 11:16:49,745 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-02 11:16:49,745 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-02 11:16:49,745 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-02 11:16:49,746 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-02 11:16:49,746 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-02 11:16:49,746 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-02 11:16:49,746 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-02 11:16:49,747 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-02 11:16:49,781 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-02 11:16:49,798 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-02 11:16:49,803 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-02 11:16:49,805 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-02 11:16:49,807 INFO L275 PluginConnector]: CDTParser initialized [2019-10-02 11:16:49,808 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+lhb-reducer.c [2019-10-02 11:16:49,882 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68a234ee0/3ce870f2ac634c93a4daa97b008b2422/FLAGf31f19838 [2019-10-02 11:16:50,372 INFO L306 CDTParser]: Found 1 translation units. [2019-10-02 11:16:50,374 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+lhb-reducer.c [2019-10-02 11:16:50,381 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68a234ee0/3ce870f2ac634c93a4daa97b008b2422/FLAGf31f19838 [2019-10-02 11:16:50,747 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68a234ee0/3ce870f2ac634c93a4daa97b008b2422 [2019-10-02 11:16:50,758 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-02 11:16:50,759 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-02 11:16:50,760 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-02 11:16:50,760 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-02 11:16:50,763 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-02 11:16:50,764 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 11:16:50" (1/1) ... [2019-10-02 11:16:50,767 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d534ca9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:16:50, skipping insertion in model container [2019-10-02 11:16:50,767 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 11:16:50" (1/1) ... [2019-10-02 11:16:50,774 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-02 11:16:50,800 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-02 11:16:51,022 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 11:16:51,028 INFO L188 MainTranslator]: Completed pre-run [2019-10-02 11:16:51,155 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 11:16:51,180 INFO L192 MainTranslator]: Completed translation [2019-10-02 11:16:51,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:16:51 WrapperNode [2019-10-02 11:16:51,181 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-02 11:16:51,182 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-02 11:16:51,182 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-02 11:16:51,182 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-02 11:16:51,193 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:16:51" (1/1) ... [2019-10-02 11:16:51,193 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:16:51" (1/1) ... [2019-10-02 11:16:51,198 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:16:51" (1/1) ... [2019-10-02 11:16:51,198 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:16:51" (1/1) ... [2019-10-02 11:16:51,204 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:16:51" (1/1) ... [2019-10-02 11:16:51,207 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:16:51" (1/1) ... [2019-10-02 11:16:51,209 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:16:51" (1/1) ... [2019-10-02 11:16:51,211 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-02 11:16:51,211 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-02 11:16:51,212 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-02 11:16:51,212 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-02 11:16:51,213 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:16:51" (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 [2019-10-02 11:16:51,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-02 11:16:51,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-02 11:16:51,270 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-02 11:16:51,270 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-02 11:16:51,270 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-02 11:16:51,270 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-02 11:16:51,271 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-02 11:16:51,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-02 11:16:51,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-02 11:16:51,532 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-02 11:16:51,532 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-02 11:16:51,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 11:16:51 BoogieIcfgContainer [2019-10-02 11:16:51,534 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-02 11:16:51,535 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-02 11:16:51,535 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-02 11:16:51,538 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-02 11:16:51,539 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.10 11:16:50" (1/3) ... [2019-10-02 11:16:51,540 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ac5f64a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 11:16:51, skipping insertion in model container [2019-10-02 11:16:51,540 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:16:51" (2/3) ... [2019-10-02 11:16:51,540 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ac5f64a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 11:16:51, skipping insertion in model container [2019-10-02 11:16:51,541 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 11:16:51" (3/3) ... [2019-10-02 11:16:51,542 INFO L109 eAbstractionObserver]: Analyzing ICFG mod3.c.v+lhb-reducer.c [2019-10-02 11:16:51,553 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-02 11:16:51,561 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-02 11:16:51,582 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-02 11:16:51,635 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-10-02 11:16:51,636 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-02 11:16:51,636 INFO L378 AbstractCegarLoop]: Hoare is true [2019-10-02 11:16:51,637 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-02 11:16:51,637 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-02 11:16:51,637 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-02 11:16:51,637 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-02 11:16:51,637 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-02 11:16:51,638 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-02 11:16:51,660 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states. [2019-10-02 11:16:51,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-10-02 11:16:51,668 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 11:16:51,669 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 11:16:51,671 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 11:16:51,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 11:16:51,678 INFO L82 PathProgramCache]: Analyzing trace with hash 446778609, now seen corresponding path program 1 times [2019-10-02 11:16:51,680 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 11:16:51,681 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 11:16:51,738 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 11:16:51,739 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 11:16:51,739 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 11:16:51,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 11:16:52,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 11:16:52,151 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 11:16:52,151 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-02 11:16:52,156 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-02 11:16:52,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-02 11:16:52,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-02 11:16:52,175 INFO L87 Difference]: Start difference. First operand 28 states. Second operand 4 states. [2019-10-02 11:16:52,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 11:16:52,306 INFO L93 Difference]: Finished difference Result 52 states and 70 transitions. [2019-10-02 11:16:52,306 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-02 11:16:52,308 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2019-10-02 11:16:52,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 11:16:52,316 INFO L225 Difference]: With dead ends: 52 [2019-10-02 11:16:52,316 INFO L226 Difference]: Without dead ends: 0 [2019-10-02 11:16:52,320 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-02 11:16:52,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-02 11:16:52,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-02 11:16:52,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-02 11:16:52,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-02 11:16:52,349 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2019-10-02 11:16:52,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 11:16:52,349 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-02 11:16:52,350 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-02 11:16:52,350 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-02 11:16:52,350 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-02 11:16:52,355 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-02 11:16:52,386 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-02 11:16:52,387 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-10-02 11:16:52,387 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-02 11:16:52,387 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-02 11:16:52,388 INFO L446 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2019-10-02 11:16:52,388 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-02 11:16:52,388 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-02 11:16:52,388 INFO L443 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2019-10-02 11:16:52,389 INFO L443 ceAbstractionStarter]: For program point L126(lines 126 141) no Hoare annotation was computed. [2019-10-02 11:16:52,389 INFO L443 ceAbstractionStarter]: For program point L60(lines 60 82) no Hoare annotation was computed. [2019-10-02 11:16:52,389 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 14 149) no Hoare annotation was computed. [2019-10-02 11:16:52,389 INFO L443 ceAbstractionStarter]: For program point L23(lines 23 143) no Hoare annotation was computed. [2019-10-02 11:16:52,389 INFO L446 ceAbstractionStarter]: At program point L81(lines 15 149) the Hoare annotation is: true [2019-10-02 11:16:52,389 INFO L443 ceAbstractionStarter]: For program point L115(lines 115 142) no Hoare annotation was computed. [2019-10-02 11:16:52,390 INFO L443 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 97) no Hoare annotation was computed. [2019-10-02 11:16:52,390 INFO L446 ceAbstractionStarter]: At program point L140(lines 23 143) the Hoare annotation is: true [2019-10-02 11:16:52,390 INFO L443 ceAbstractionStarter]: For program point L37(lines 37 84) no Hoare annotation was computed. [2019-10-02 11:16:52,390 INFO L446 ceAbstractionStarter]: At program point L132(lines 23 143) the Hoare annotation is: true [2019-10-02 11:16:52,390 INFO L443 ceAbstractionStarter]: For program point L95(lines 95 104) no Hoare annotation was computed. [2019-10-02 11:16:52,391 INFO L439 ceAbstractionStarter]: At program point L120(lines 23 143) the Hoare annotation is: (<= main_~main__x~0 (let ((.cse0 (div main_~main__x~0 4294967296))) (+ (* 4294967296 .cse0) (* 3 (div (+ (* (- 4294967296) .cse0) main_~main__x~0) 3))))) [2019-10-02 11:16:52,391 INFO L439 ceAbstractionStarter]: At program point L54(lines 24 112) the Hoare annotation is: (<= main_~main__x~0 (let ((.cse0 (div main_~main__x~0 4294967296))) (+ (* 4294967296 .cse0) (* 3 (div (+ (* (- 4294967296) .cse0) main_~main__x~0) 3))))) [2019-10-02 11:16:52,391 INFO L443 ceAbstractionStarter]: For program point L21(lines 21 148) no Hoare annotation was computed. [2019-10-02 11:16:52,392 INFO L443 ceAbstractionStarter]: For program point L46(lines 46 83) no Hoare annotation was computed. [2019-10-02 11:16:52,392 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 14 149) no Hoare annotation was computed. [2019-10-02 11:16:52,392 INFO L439 ceAbstractionStarter]: At program point L42(lines 24 112) the Hoare annotation is: (<= main_~main__x~0 (let ((.cse0 (div main_~main__x~0 4294967296))) (+ (* 4294967296 .cse0) (* 3 (div (+ (* (- 4294967296) .cse0) main_~main__x~0) 3))))) [2019-10-02 11:16:52,392 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 14 149) the Hoare annotation is: true [2019-10-02 11:16:52,393 INFO L443 ceAbstractionStarter]: For program point L88(lines 88 110) no Hoare annotation was computed. [2019-10-02 11:16:52,393 INFO L443 ceAbstractionStarter]: For program point L35(lines 35 111) no Hoare annotation was computed. [2019-10-02 11:16:52,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.10 11:16:52 BoogieIcfgContainer [2019-10-02 11:16:52,418 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-02 11:16:52,422 INFO L168 Benchmark]: Toolchain (without parser) took 1660.58 ms. Allocated memory was 136.3 MB in the beginning and 199.8 MB in the end (delta: 63.4 MB). Free memory was 87.3 MB in the beginning and 118.9 MB in the end (delta: -31.5 MB). Peak memory consumption was 31.9 MB. Max. memory is 7.1 GB. [2019-10-02 11:16:52,424 INFO L168 Benchmark]: CDTParser took 0.48 ms. Allocated memory is still 136.3 MB. Free memory was 105.1 MB in the beginning and 104.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-02 11:16:52,426 INFO L168 Benchmark]: CACSL2BoogieTranslator took 421.05 ms. Allocated memory was 136.3 MB in the beginning and 199.8 MB in the end (delta: 63.4 MB). Free memory was 86.9 MB in the beginning and 176.5 MB in the end (delta: -89.6 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. [2019-10-02 11:16:52,428 INFO L168 Benchmark]: Boogie Preprocessor took 29.41 ms. Allocated memory is still 199.8 MB. Free memory was 176.5 MB in the beginning and 174.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-10-02 11:16:52,429 INFO L168 Benchmark]: RCFGBuilder took 322.78 ms. Allocated memory is still 199.8 MB. Free memory was 174.8 MB in the beginning and 159.5 MB in the end (delta: 15.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 7.1 GB. [2019-10-02 11:16:52,430 INFO L168 Benchmark]: TraceAbstraction took 883.10 ms. Allocated memory is still 199.8 MB. Free memory was 158.9 MB in the beginning and 118.9 MB in the end (delta: 40.1 MB). Peak memory consumption was 40.1 MB. Max. memory is 7.1 GB. [2019-10-02 11:16:52,442 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48 ms. Allocated memory is still 136.3 MB. Free memory was 105.1 MB in the beginning and 104.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 421.05 ms. Allocated memory was 136.3 MB in the beginning and 199.8 MB in the end (delta: 63.4 MB). Free memory was 86.9 MB in the beginning and 176.5 MB in the end (delta: -89.6 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 29.41 ms. Allocated memory is still 199.8 MB. Free memory was 176.5 MB in the beginning and 174.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 322.78 ms. Allocated memory is still 199.8 MB. Free memory was 174.8 MB in the beginning and 159.5 MB in the end (delta: 15.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 883.10 ms. Allocated memory is still 199.8 MB. Free memory was 158.9 MB in the beginning and 118.9 MB in the end (delta: 40.1 MB). Peak memory consumption was 40.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 97]: 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: 24]: Loop Invariant Derived loop invariant: main__x <= 4294967296 * (main__x / 4294967296) + 3 * ((-4294967296 * (main__x / 4294967296) + main__x) / 3) - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: main__x <= 4294967296 * (main__x / 4294967296) + 3 * ((-4294967296 * (main__x / 4294967296) + main__x) / 3) - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: main__x <= 4294967296 * (main__x / 4294967296) + 3 * ((-4294967296 * (main__x / 4294967296) + main__x) / 3) - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 28 locations, 1 error locations. SAFE Result, 0.7s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 30 SDtfs, 10 SDslu, 44 SDs, 0 SdLazy, 17 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=28occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 10 LocationsWithAnnotation, 10 PreInvPairs, 16 NumberOfFragments, 64 HoareAnnotationTreeSize, 10 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 10 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 1246 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...