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 --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+sep-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 22:58:17,853 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 22:58:17,856 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 22:58:17,874 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 22:58:17,874 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 22:58:17,876 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 22:58:17,878 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 22:58:17,887 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 22:58:17,893 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 22:58:17,895 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 22:58:17,897 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 22:58:17,898 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 22:58:17,898 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 22:58:17,900 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 22:58:17,903 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 22:58:17,904 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 22:58:17,905 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 22:58:17,906 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 22:58:17,908 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 22:58:17,912 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 22:58:17,917 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 22:58:17,919 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 22:58:17,922 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 22:58:17,923 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 22:58:17,925 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 22:58:17,925 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 22:58:17,926 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 22:58:17,927 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 22:58:17,929 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 22:58:17,930 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 22:58:17,930 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 22:58:17,932 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 22:58:17,933 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 22:58:17,933 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 22:58:17,935 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 22:58:17,935 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 22:58:17,936 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 22:58:17,936 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 22:58:17,936 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 22:58:17,937 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 22:58:17,938 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 22:58:17,939 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 22:58:17,966 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 22:58:17,966 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 22:58:17,967 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 22:58:17,968 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 22:58:17,968 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 22:58:17,968 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 22:58:17,968 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 22:58:17,969 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 22:58:17,969 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 22:58:17,969 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 22:58:17,969 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 22:58:17,969 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 22:58:17,969 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 22:58:17,970 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 22:58:17,970 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 22:58:17,970 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 22:58:17,970 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 22:58:17,970 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 22:58:17,971 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 22:58:17,971 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 22:58:17,971 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 22:58:17,971 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 22:58:17,971 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 22:58:17,972 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 22:58:17,972 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 22:58:17,972 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 22:58:17,972 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 22:58:17,972 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 22:58:17,972 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-13 22:58:18,242 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 22:58:18,255 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 22:58:18,259 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 22:58:18,261 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 22:58:18,261 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 22:58:18,262 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+sep-reducer.c [2019-10-13 22:58:18,324 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73b91e6c5/137de813490a4f8097e5371b742b3658/FLAG438d7f933 [2019-10-13 22:58:18,814 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 22:58:18,816 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+sep-reducer.c [2019-10-13 22:58:18,828 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73b91e6c5/137de813490a4f8097e5371b742b3658/FLAG438d7f933 [2019-10-13 22:58:19,188 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73b91e6c5/137de813490a4f8097e5371b742b3658 [2019-10-13 22:58:19,205 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 22:58:19,206 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 22:58:19,207 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 22:58:19,208 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 22:58:19,216 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 22:58:19,216 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:58:19" (1/1) ... [2019-10-13 22:58:19,224 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ee255a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:58:19, skipping insertion in model container [2019-10-13 22:58:19,225 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:58:19" (1/1) ... [2019-10-13 22:58:19,232 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 22:58:19,258 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 22:58:19,448 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 22:58:19,454 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 22:58:19,479 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 22:58:19,580 INFO L192 MainTranslator]: Completed translation [2019-10-13 22:58:19,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:58:19 WrapperNode [2019-10-13 22:58:19,581 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 22:58:19,581 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 22:58:19,581 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 22:58:19,581 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 22:58:19,591 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:58:19" (1/1) ... [2019-10-13 22:58:19,592 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:58:19" (1/1) ... [2019-10-13 22:58:19,598 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:58:19" (1/1) ... [2019-10-13 22:58:19,598 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:58:19" (1/1) ... [2019-10-13 22:58:19,604 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:58:19" (1/1) ... [2019-10-13 22:58:19,607 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:58:19" (1/1) ... [2019-10-13 22:58:19,608 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:58:19" (1/1) ... [2019-10-13 22:58:19,611 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 22:58:19,611 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 22:58:19,611 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 22:58:19,611 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 22:58:19,615 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:58:19" (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 22:58:19,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 22:58:19,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 22:58:19,674 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 22:58:19,674 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 22:58:19,675 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 22:58:19,676 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-13 22:58:19,677 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 22:58:19,678 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 22:58:19,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 22:58:19,941 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 22:58:19,941 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-13 22:58:19,943 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:58:19 BoogieIcfgContainer [2019-10-13 22:58:19,943 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 22:58:19,944 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 22:58:19,945 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 22:58:19,947 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 22:58:19,948 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 10:58:19" (1/3) ... [2019-10-13 22:58:19,948 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3344fb80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:58:19, skipping insertion in model container [2019-10-13 22:58:19,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:58:19" (2/3) ... [2019-10-13 22:58:19,949 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3344fb80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:58:19, skipping insertion in model container [2019-10-13 22:58:19,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:58:19" (3/3) ... [2019-10-13 22:58:19,951 INFO L109 eAbstractionObserver]: Analyzing ICFG mod3.c.v+sep-reducer.c [2019-10-13 22:58:19,967 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 22:58:19,976 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 22:58:19,989 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 22:58:20,016 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 22:58:20,016 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 22:58:20,016 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 22:58:20,016 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 22:58:20,017 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 22:58:20,017 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 22:58:20,017 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 22:58:20,017 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 22:58:20,042 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states. [2019-10-13 22:58:20,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-10-13 22:58:20,052 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:58:20,053 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:58:20,056 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:58:20,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:58:20,062 INFO L82 PathProgramCache]: Analyzing trace with hash 1355482744, now seen corresponding path program 1 times [2019-10-13 22:58:20,071 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:58:20,071 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866885617] [2019-10-13 22:58:20,072 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:58:20,072 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:58:20,072 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:58:20,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:58:20,608 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 22:58:20,609 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866885617] [2019-10-13 22:58:20,610 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:58:20,611 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 22:58:20,611 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008881319] [2019-10-13 22:58:20,617 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 22:58:20,617 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:58:20,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 22:58:20,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 22:58:20,636 INFO L87 Difference]: Start difference. First operand 27 states. Second operand 4 states. [2019-10-13 22:58:20,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:58:20,807 INFO L93 Difference]: Finished difference Result 51 states and 69 transitions. [2019-10-13 22:58:20,808 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-13 22:58:20,810 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2019-10-13 22:58:20,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:58:20,817 INFO L225 Difference]: With dead ends: 51 [2019-10-13 22:58:20,818 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 22:58:20,821 INFO L600 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 [2019-10-13 22:58:20,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 22:58:20,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 22:58:20,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 22:58:20,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 22:58:20,844 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2019-10-13 22:58:20,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:58:20,845 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 22:58:20,845 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 22:58:20,845 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 22:58:20,845 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 22:58:20,849 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 22:58:20,893 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-10-13 22:58:20,893 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 22:58:20,893 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 22:58:20,894 INFO L446 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2019-10-13 22:58:20,894 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 22:58:20,894 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 22:58:20,894 INFO L443 ceAbstractionStarter]: For program point L93(lines 93 102) no Hoare annotation was computed. [2019-10-13 22:58:20,895 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 13 145) no Hoare annotation was computed. [2019-10-13 22:58:20,895 INFO L443 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 95) no Hoare annotation was computed. [2019-10-13 22:58:20,897 INFO L439 ceAbstractionStarter]: At program point L40(lines 22 139) the Hoare annotation is: (<= (* 2863311531 main_~main__x~0) (let ((.cse0 (div main_~main__x~0 4294967296))) (+ (* 12297829383904690176 .cse0) (* 8589934592 (div (+ (* .cse0 (- 4294967296)) main_~main__x~0) 3)) 1431655765))) [2019-10-13 22:58:20,897 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 80) no Hoare annotation was computed. [2019-10-13 22:58:20,897 INFO L443 ceAbstractionStarter]: For program point L86(lines 86 108) no Hoare annotation was computed. [2019-10-13 22:58:20,898 INFO L443 ceAbstractionStarter]: For program point L20(lines 20 144) no Hoare annotation was computed. [2019-10-13 22:58:20,898 INFO L443 ceAbstractionStarter]: For program point L115(lines 115 137) no Hoare annotation was computed. [2019-10-13 22:58:20,898 INFO L443 ceAbstractionStarter]: For program point L45(lines 45 82) no Hoare annotation was computed. [2019-10-13 22:58:20,898 INFO L446 ceAbstractionStarter]: At program point L136(lines 14 145) the Hoare annotation is: true [2019-10-13 22:58:20,898 INFO L443 ceAbstractionStarter]: For program point L33(lines 33 138) no Hoare annotation was computed. [2019-10-13 22:58:20,899 INFO L443 ceAbstractionStarter]: For program point L95(line 95) no Hoare annotation was computed. [2019-10-13 22:58:20,899 INFO L443 ceAbstractionStarter]: For program point L54(lines 54 81) no Hoare annotation was computed. [2019-10-13 22:58:20,901 INFO L439 ceAbstractionStarter]: At program point L50(lines 22 139) the Hoare annotation is: (<= (* 2863311531 main_~main__x~0) (let ((.cse0 (div main_~main__x~0 4294967296))) (+ (* 12297829383904690176 .cse0) (* 8589934592 (div (+ (* .cse0 (- 4294967296)) main_~main__x~0) 3)) 1431655765))) [2019-10-13 22:58:20,901 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 13 145) no Hoare annotation was computed. [2019-10-13 22:58:20,901 INFO L446 ceAbstractionStarter]: At program point L133(lines 33 138) the Hoare annotation is: true [2019-10-13 22:58:20,901 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 13 145) the Hoare annotation is: true [2019-10-13 22:58:20,902 INFO L439 ceAbstractionStarter]: At program point L59(lines 34 110) the Hoare annotation is: (<= (* 2863311531 main_~main__x~0) (let ((.cse0 (div main_~main__x~0 4294967296))) (+ (* 12297829383904690176 .cse0) (* 8589934592 (div (+ (* .cse0 (- 4294967296)) main_~main__x~0) 3)) 1431655765))) [2019-10-13 22:58:20,902 INFO L446 ceAbstractionStarter]: At program point L121(lines 33 138) the Hoare annotation is: true [2019-10-13 22:58:20,902 INFO L443 ceAbstractionStarter]: For program point L22(lines 22 139) no Hoare annotation was computed. [2019-10-13 22:58:20,902 INFO L443 ceAbstractionStarter]: For program point L43(lines 43 109) no Hoare annotation was computed. [2019-10-13 22:58:20,927 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 10:58:20 BoogieIcfgContainer [2019-10-13 22:58:20,927 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 22:58:20,932 INFO L168 Benchmark]: Toolchain (without parser) took 1722.70 ms. Allocated memory was 139.5 MB in the beginning and 203.4 MB in the end (delta: 64.0 MB). Free memory was 104.4 MB in the beginning and 120.9 MB in the end (delta: -16.5 MB). Peak memory consumption was 47.5 MB. Max. memory is 7.1 GB. [2019-10-13 22:58:20,933 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 139.5 MB. Free memory was 122.7 MB in the beginning and 122.5 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-13 22:58:20,935 INFO L168 Benchmark]: CACSL2BoogieTranslator took 373.55 ms. Allocated memory was 139.5 MB in the beginning and 203.4 MB in the end (delta: 64.0 MB). Free memory was 104.2 MB in the beginning and 182.8 MB in the end (delta: -78.7 MB). Peak memory consumption was 23.6 MB. Max. memory is 7.1 GB. [2019-10-13 22:58:20,937 INFO L168 Benchmark]: Boogie Preprocessor took 29.48 ms. Allocated memory is still 203.4 MB. Free memory was 182.8 MB in the beginning and 180.5 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2019-10-13 22:58:20,938 INFO L168 Benchmark]: RCFGBuilder took 332.07 ms. Allocated memory is still 203.4 MB. Free memory was 180.5 MB in the beginning and 164.3 MB in the end (delta: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. [2019-10-13 22:58:20,940 INFO L168 Benchmark]: TraceAbstraction took 983.16 ms. Allocated memory is still 203.4 MB. Free memory was 164.3 MB in the beginning and 120.9 MB in the end (delta: 43.4 MB). Peak memory consumption was 43.4 MB. Max. memory is 7.1 GB. [2019-10-13 22:58:20,951 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 139.5 MB. Free memory was 122.7 MB in the beginning and 122.5 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 373.55 ms. Allocated memory was 139.5 MB in the beginning and 203.4 MB in the end (delta: 64.0 MB). Free memory was 104.2 MB in the beginning and 182.8 MB in the end (delta: -78.7 MB). Peak memory consumption was 23.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 29.48 ms. Allocated memory is still 203.4 MB. Free memory was 182.8 MB in the beginning and 180.5 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 332.07 ms. Allocated memory is still 203.4 MB. Free memory was 180.5 MB in the beginning and 164.3 MB in the end (delta: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 983.16 ms. Allocated memory is still 203.4 MB. Free memory was 164.3 MB in the beginning and 120.9 MB in the end (delta: 43.4 MB). Peak memory consumption was 43.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 95]: 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: 34]: Loop Invariant Derived loop invariant: 2863311531 * main__x <= 12297829383904690176 * (main__x / 4294967296) + 8589934592 * ((main__x / 4294967296 * -4294967296 + main__x) / 3) + 1431655765 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 2863311531 * main__x <= 12297829383904690176 * (main__x / 4294967296) + 8589934592 * ((main__x / 4294967296 * -4294967296 + main__x) / 3) + 1431655765 - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 2863311531 * main__x <= 12297829383904690176 * (main__x / 4294967296) + 8589934592 * ((main__x / 4294967296 * -4294967296 + main__x) / 3) + 1431655765 - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 27 locations, 1 error locations. Result: SAFE, OverallTime: 0.8s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 29 SDtfs, 10 SDslu, 42 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=27occurred 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, 10 LocationsWithAnnotation, 10 PreInvPairs, 16 NumberOfFragments, 73 HoareAnnotationTreeSize, 10 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 10 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 1300 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...