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 0.1.24-0883e75 [2019-09-05 12:13:00,080 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-05 12:13:00,082 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-05 12:13:00,098 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-05 12:13:00,108 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-05 12:13:00,109 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-05 12:13:00,109 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-05 12:13:00,111 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-05 12:13:00,111 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-05 12:13:00,112 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-05 12:13:00,114 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-05 12:13:00,116 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-05 12:13:00,117 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-05 12:13:00,118 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-05 12:13:00,119 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-05 12:13:00,120 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-05 12:13:00,122 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-05 12:13:00,125 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-05 12:13:00,126 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-05 12:13:00,127 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-05 12:13:00,127 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-05 12:13:00,128 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-05 12:13:00,128 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-05 12:13:00,129 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-05 12:13:00,129 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-05 12:13:00,129 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-05 12:13:00,130 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-05 12:13:00,131 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-05 12:13:00,132 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 [2019-09-05 12:13:00,149 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-05 12:13:00,149 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-05 12:13:00,150 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-05 12:13:00,150 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-05 12:13:00,151 INFO L138 SettingsManager]: * Use SBE=true [2019-09-05 12:13:00,151 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-05 12:13:00,151 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-05 12:13:00,151 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-05 12:13:00,152 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-05 12:13:00,152 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-05 12:13:00,152 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-05 12:13:00,152 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-05 12:13:00,152 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-05 12:13:00,152 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-05 12:13:00,153 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-05 12:13:00,153 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-05 12:13:00,153 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-05 12:13:00,153 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-05 12:13:00,153 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-05 12:13:00,154 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-05 12:13:00,154 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-05 12:13:00,154 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-05 12:13:00,154 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-05 12:13:00,155 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-05 12:13:00,155 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-05 12:13:00,155 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-05 12:13:00,155 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-05 12:13:00,155 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-05 12:13:00,155 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-05 12:13:00,189 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-05 12:13:00,204 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-05 12:13:00,209 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-05 12:13:00,211 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-05 12:13:00,211 INFO L275 PluginConnector]: CDTParser initialized [2019-09-05 12:13:00,212 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+lhb-reducer.c [2019-09-05 12:13:00,287 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f66212e25/07e142dac1144a5680340a2cc87c4be3/FLAGf25db94d7 [2019-09-05 12:13:00,761 INFO L306 CDTParser]: Found 1 translation units. [2019-09-05 12:13:00,763 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+lhb-reducer.c [2019-09-05 12:13:00,775 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f66212e25/07e142dac1144a5680340a2cc87c4be3/FLAGf25db94d7 [2019-09-05 12:13:01,132 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f66212e25/07e142dac1144a5680340a2cc87c4be3 [2019-09-05 12:13:01,143 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-05 12:13:01,144 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-05 12:13:01,145 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-05 12:13:01,145 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-05 12:13:01,149 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-05 12:13:01,150 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 12:13:01" (1/1) ... [2019-09-05 12:13:01,153 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@251dd4c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 12:13:01, skipping insertion in model container [2019-09-05 12:13:01,153 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 12:13:01" (1/1) ... [2019-09-05 12:13:01,161 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-05 12:13:01,184 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-05 12:13:01,473 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-05 12:13:01,482 INFO L188 MainTranslator]: Completed pre-run [2019-09-05 12:13:01,669 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-05 12:13:01,703 INFO L192 MainTranslator]: Completed translation [2019-09-05 12:13:01,703 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 12:13:01 WrapperNode [2019-09-05 12:13:01,704 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-05 12:13:01,705 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-05 12:13:01,705 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-05 12:13:01,705 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-05 12:13:01,716 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 12:13:01" (1/1) ... [2019-09-05 12:13:01,716 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 12:13:01" (1/1) ... [2019-09-05 12:13:01,722 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 12:13:01" (1/1) ... [2019-09-05 12:13:01,722 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 12:13:01" (1/1) ... [2019-09-05 12:13:01,728 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 12:13:01" (1/1) ... [2019-09-05 12:13:01,731 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 12:13:01" (1/1) ... [2019-09-05 12:13:01,732 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 12:13:01" (1/1) ... [2019-09-05 12:13:01,734 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-05 12:13:01,735 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-05 12:13:01,735 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-05 12:13:01,735 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-05 12:13:01,736 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 12:13:01" (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 [2019-09-05 12:13:01,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-05 12:13:01,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-05 12:13:01,802 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-05 12:13:01,802 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-05 12:13:01,802 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-05 12:13:01,802 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-05 12:13:01,802 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-05 12:13:01,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-05 12:13:01,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-05 12:13:02,089 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-05 12:13:02,089 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-05 12:13:02,090 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 12:13:02 BoogieIcfgContainer [2019-09-05 12:13:02,090 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-05 12:13:02,091 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-05 12:13:02,091 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-05 12:13:02,094 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-05 12:13:02,095 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.09 12:13:01" (1/3) ... [2019-09-05 12:13:02,095 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@643592a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.09 12:13:02, skipping insertion in model container [2019-09-05 12:13:02,096 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 12:13:01" (2/3) ... [2019-09-05 12:13:02,096 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@643592a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.09 12:13:02, skipping insertion in model container [2019-09-05 12:13:02,096 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 12:13:02" (3/3) ... [2019-09-05 12:13:02,098 INFO L109 eAbstractionObserver]: Analyzing ICFG mod3.c.v+lhb-reducer.c [2019-09-05 12:13:02,108 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-05 12:13:02,114 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-05 12:13:02,131 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-05 12:13:02,160 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-05 12:13:02,161 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-05 12:13:02,161 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-05 12:13:02,162 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-05 12:13:02,162 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-05 12:13:02,162 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-05 12:13:02,162 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-05 12:13:02,162 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-05 12:13:02,162 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-05 12:13:02,181 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states. [2019-09-05 12:13:02,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-09-05 12:13:02,187 INFO L391 BasicCegarLoop]: Found error trace [2019-09-05 12:13:02,188 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-05 12:13:02,190 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-05 12:13:02,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-05 12:13:02,195 INFO L82 PathProgramCache]: Analyzing trace with hash 446778609, now seen corresponding path program 1 times [2019-09-05 12:13:02,197 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-05 12:13:02,198 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-05 12:13:02,237 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-05 12:13:02,237 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-05 12:13:02,237 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-05 12:13:02,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-05 12:13:02,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-05 12:13:02,658 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-05 12:13:02,658 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-05 12:13:02,662 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-05 12:13:02,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-05 12:13:02,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-05 12:13:02,678 INFO L87 Difference]: Start difference. First operand 28 states. Second operand 4 states. [2019-09-05 12:13:02,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-05 12:13:02,822 INFO L93 Difference]: Finished difference Result 52 states and 70 transitions. [2019-09-05 12:13:02,823 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-05 12:13:02,825 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2019-09-05 12:13:02,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-05 12:13:02,832 INFO L225 Difference]: With dead ends: 52 [2019-09-05 12:13:02,833 INFO L226 Difference]: Without dead ends: 0 [2019-09-05 12:13:02,837 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-09-05 12:13:02,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-05 12:13:02,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-05 12:13:02,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-05 12:13:02,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-05 12:13:02,867 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2019-09-05 12:13:02,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-05 12:13:02,868 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-05 12:13:02,868 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-05 12:13:02,868 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-05 12:13:02,868 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-05 12:13:02,874 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-09-05 12:13:02,913 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-09-05 12:13:02,914 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-09-05 12:13:02,914 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-09-05 12:13:02,914 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-09-05 12:13:02,915 INFO L446 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2019-09-05 12:13:02,915 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-09-05 12:13:02,915 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-09-05 12:13:02,917 INFO L443 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2019-09-05 12:13:02,917 INFO L443 ceAbstractionStarter]: For program point L126(lines 126 141) no Hoare annotation was computed. [2019-09-05 12:13:02,917 INFO L443 ceAbstractionStarter]: For program point L60(lines 60 82) no Hoare annotation was computed. [2019-09-05 12:13:02,918 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 14 149) no Hoare annotation was computed. [2019-09-05 12:13:02,918 INFO L443 ceAbstractionStarter]: For program point L23(lines 23 143) no Hoare annotation was computed. [2019-09-05 12:13:02,918 INFO L446 ceAbstractionStarter]: At program point L81(lines 15 149) the Hoare annotation is: true [2019-09-05 12:13:02,918 INFO L443 ceAbstractionStarter]: For program point L115(lines 115 142) no Hoare annotation was computed. [2019-09-05 12:13:02,918 INFO L446 ceAbstractionStarter]: At program point L140(lines 23 143) the Hoare annotation is: true [2019-09-05 12:13:02,918 INFO L443 ceAbstractionStarter]: For program point L37(lines 37 84) no Hoare annotation was computed. [2019-09-05 12:13:02,919 INFO L446 ceAbstractionStarter]: At program point L132(lines 23 143) the Hoare annotation is: true [2019-09-05 12:13:02,919 INFO L443 ceAbstractionStarter]: For program point L95(lines 95 104) no Hoare annotation was computed. [2019-09-05 12:13:02,921 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))))) [2019-09-05 12:13:02,921 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))))) [2019-09-05 12:13:02,922 INFO L443 ceAbstractionStarter]: For program point L21(lines 21 148) no Hoare annotation was computed. [2019-09-05 12:13:02,922 INFO L443 ceAbstractionStarter]: For program point L46(lines 46 83) no Hoare annotation was computed. [2019-09-05 12:13:02,922 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 14 149) no Hoare annotation was computed. [2019-09-05 12:13:02,923 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))))) [2019-09-05 12:13:02,923 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 14 149) the Hoare annotation is: true [2019-09-05 12:13:02,923 INFO L443 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 97) no Hoare annotation was computed. [2019-09-05 12:13:02,924 INFO L443 ceAbstractionStarter]: For program point L88(lines 88 110) no Hoare annotation was computed. [2019-09-05 12:13:02,924 INFO L443 ceAbstractionStarter]: For program point L35(lines 35 111) no Hoare annotation was computed. [2019-09-05 12:13:02,940 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.09 12:13:02 BoogieIcfgContainer [2019-09-05 12:13:02,940 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-05 12:13:02,943 INFO L168 Benchmark]: Toolchain (without parser) took 1797.82 ms. Allocated memory was 138.9 MB in the beginning and 200.3 MB in the end (delta: 61.3 MB). Free memory was 86.0 MB in the beginning and 123.0 MB in the end (delta: -37.0 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB. [2019-09-05 12:13:02,944 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 138.9 MB. Free memory was 104.9 MB in the beginning and 104.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-09-05 12:13:02,945 INFO L168 Benchmark]: CACSL2BoogieTranslator took 558.81 ms. Allocated memory was 138.9 MB in the beginning and 200.3 MB in the end (delta: 61.3 MB). Free memory was 85.8 MB in the beginning and 177.3 MB in the end (delta: -91.5 MB). Peak memory consumption was 19.8 MB. Max. memory is 7.1 GB. [2019-09-05 12:13:02,946 INFO L168 Benchmark]: Boogie Preprocessor took 29.55 ms. Allocated memory is still 200.3 MB. Free memory was 177.3 MB in the beginning and 176.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-09-05 12:13:02,947 INFO L168 Benchmark]: RCFGBuilder took 355.97 ms. Allocated memory is still 200.3 MB. Free memory was 176.0 MB in the beginning and 159.8 MB in the end (delta: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. [2019-09-05 12:13:02,948 INFO L168 Benchmark]: TraceAbstraction took 848.95 ms. Allocated memory is still 200.3 MB. Free memory was 159.8 MB in the beginning and 123.0 MB in the end (delta: 36.8 MB). Peak memory consumption was 36.8 MB. Max. memory is 7.1 GB. [2019-09-05 12:13:02,955 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 ms. Allocated memory is still 138.9 MB. Free memory was 104.9 MB in the beginning and 104.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 558.81 ms. Allocated memory was 138.9 MB in the beginning and 200.3 MB in the end (delta: 61.3 MB). Free memory was 85.8 MB in the beginning and 177.3 MB in the end (delta: -91.5 MB). Peak memory consumption was 19.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 29.55 ms. Allocated memory is still 200.3 MB. Free memory was 177.3 MB in the beginning and 176.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 355.97 ms. Allocated memory is still 200.3 MB. Free memory was 176.0 MB in the beginning and 159.8 MB in the end (delta: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 848.95 ms. Allocated memory is still 200.3 MB. Free memory was 159.8 MB in the beginning and 123.0 MB in the end (delta: 36.8 MB). Peak memory consumption was 36.8 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, 0.0s 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...