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+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 22:58:17,733 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 22:58:17,735 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 22:58:17,749 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 22:58:17,749 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 22:58:17,751 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 22:58:17,753 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 22:58:17,755 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 22:58:17,764 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 22:58:17,765 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 22:58:17,767 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 22:58:17,768 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 22:58:17,768 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 22:58:17,770 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 22:58:17,772 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 22:58:17,773 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 22:58:17,775 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 22:58:17,776 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 22:58:17,781 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 22:58:17,783 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 22:58:17,784 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 22:58:17,789 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 22:58:17,791 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 22:58:17,794 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 22:58:17,798 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 22:58:17,798 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 22:58:17,798 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 22:58:17,800 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 22:58:17,802 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 22:58:17,803 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 22:58:17,804 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 22:58:17,806 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 22:58:17,807 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 22:58:17,808 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 22:58:17,811 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 22:58:17,811 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 22:58:17,812 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 22:58:17,813 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 22:58:17,813 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 22:58:17,814 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 22:58:17,816 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 22:58:17,817 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 22:58:17,847 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 22:58:17,847 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 22:58:17,848 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 22:58:17,849 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 22:58:17,849 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 22:58:17,849 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 22:58:17,849 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 22:58:17,852 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 22:58:17,852 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 22:58:17,852 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 22:58:17,852 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 22:58:17,852 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 22:58:17,853 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 22:58:17,853 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 22:58:17,853 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 22:58:17,853 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 22:58:17,853 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 22:58:17,854 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 22:58:17,854 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 22:58:17,854 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 22:58:17,855 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 22:58:17,856 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 22:58:17,856 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 22:58:17,856 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 22:58:17,856 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 22:58:17,856 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 22:58:17,856 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 22:58:17,857 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 22:58:17,857 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 22:58:18,122 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 22:58:18,139 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 22:58:18,145 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 22:58:18,146 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 22:58:18,147 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 22:58:18,147 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+lhb-reducer.c [2019-10-13 22:58:18,231 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/105ddd0ba/f9e52ed4689d47bb878884b859ba07f5/FLAG92e5f9595 [2019-10-13 22:58:18,719 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 22:58:18,719 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+lhb-reducer.c [2019-10-13 22:58:18,728 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/105ddd0ba/f9e52ed4689d47bb878884b859ba07f5/FLAG92e5f9595 [2019-10-13 22:58:19,086 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/105ddd0ba/f9e52ed4689d47bb878884b859ba07f5 [2019-10-13 22:58:19,096 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 22:58:19,098 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 22:58:19,099 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 22:58:19,099 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 22:58:19,103 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 22:58:19,104 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:58:19" (1/1) ... [2019-10-13 22:58:19,107 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28b02a74 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 22:58:19,107 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:58:19" (1/1) ... [2019-10-13 22:58:19,114 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 22:58:19,136 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 22:58:19,309 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 22:58:19,314 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 22:58:19,337 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 22:58:19,355 INFO L192 MainTranslator]: Completed translation [2019-10-13 22:58:19,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:58:19 WrapperNode [2019-10-13 22:58:19,355 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 22:58:19,356 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 22:58:19,356 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 22:58:19,357 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 22:58:19,448 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 22:58:19,448 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 22:58:19,460 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 22:58:19,461 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 22:58:19,467 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 22:58:19,469 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 22:58:19,471 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 22:58:19,473 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 22:58:19,474 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 22:58:19,474 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 22:58:19,474 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 22:58:19,475 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 22:58:19,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 22:58:19,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 22:58:19,536 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 22:58:19,536 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 22:58:19,536 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 22:58:19,536 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-13 22:58:19,536 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 22:58:19,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 22:58:19,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 22:58:19,772 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 22:58:19,773 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-13 22:58:19,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:58:19 BoogieIcfgContainer [2019-10-13 22:58:19,774 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 22:58:19,775 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 22:58:19,776 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 22:58:19,778 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 22:58:19,779 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 10:58:19" (1/3) ... [2019-10-13 22:58:19,779 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@771b2d6b 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 22:58:19,780 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 22:58:19,780 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@771b2d6b 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 22:58:19,780 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 22:58:19,782 INFO L109 eAbstractionObserver]: Analyzing ICFG mod3.c.v+lhb-reducer.c [2019-10-13 22:58:19,792 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 22:58:19,798 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 22:58:19,810 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 22:58:19,835 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 22:58:19,836 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 22:58:19,836 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 22:58:19,836 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 22:58:19,836 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 22:58:19,836 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 22:58:19,837 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 22:58:19,837 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 22:58:19,856 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states. [2019-10-13 22:58:19,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-10-13 22:58:19,863 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:58:19,864 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:58:19,866 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:58:19,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:58:19,872 INFO L82 PathProgramCache]: Analyzing trace with hash 1349018097, now seen corresponding path program 1 times [2019-10-13 22:58:19,882 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:58:19,882 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077735746] [2019-10-13 22:58:19,883 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:58:19,883 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:58:19,883 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:58:20,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:58:20,394 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 12 [2019-10-13 22:58:20,418 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 22:58:20,421 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077735746] [2019-10-13 22:58:20,422 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:58:20,422 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 22:58:20,423 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043614737] [2019-10-13 22:58:20,428 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 22:58:20,428 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:58:20,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 22:58:20,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 22:58:20,448 INFO L87 Difference]: Start difference. First operand 27 states. Second operand 4 states. [2019-10-13 22:58:20,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:58:20,636 INFO L93 Difference]: Finished difference Result 51 states and 69 transitions. [2019-10-13 22:58:20,637 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-13 22:58:20,638 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2019-10-13 22:58:20,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:58:20,646 INFO L225 Difference]: With dead ends: 51 [2019-10-13 22:58:20,646 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 22:58:20,650 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 22:58:20,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 22:58:20,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 22:58:20,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 22:58:20,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 22:58:20,680 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2019-10-13 22:58:20,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:58:20,681 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 22:58:20,681 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 22:58:20,681 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 22:58:20,681 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 22:58:20,687 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 22:58:20,721 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-10-13 22:58:20,721 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 22:58:20,722 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 22:58:20,722 INFO L446 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2019-10-13 22:58:20,722 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 22:58:20,722 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 22:58:20,723 INFO L443 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2019-10-13 22:58:20,723 INFO L443 ceAbstractionStarter]: For program point L126(lines 126 141) no Hoare annotation was computed. [2019-10-13 22:58:20,723 INFO L443 ceAbstractionStarter]: For program point L60(lines 60 82) no Hoare annotation was computed. [2019-10-13 22:58:20,723 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 14 149) no Hoare annotation was computed. [2019-10-13 22:58:20,724 INFO L443 ceAbstractionStarter]: For program point L23(lines 23 143) no Hoare annotation was computed. [2019-10-13 22:58:20,724 INFO L446 ceAbstractionStarter]: At program point L81(lines 15 149) the Hoare annotation is: true [2019-10-13 22:58:20,724 INFO L443 ceAbstractionStarter]: For program point L115(lines 115 142) no Hoare annotation was computed. [2019-10-13 22:58:20,724 INFO L446 ceAbstractionStarter]: At program point L140(lines 23 143) the Hoare annotation is: true [2019-10-13 22:58:20,725 INFO L443 ceAbstractionStarter]: For program point L37(lines 37 84) no Hoare annotation was computed. [2019-10-13 22:58:20,725 INFO L446 ceAbstractionStarter]: At program point L132(lines 23 143) the Hoare annotation is: true [2019-10-13 22:58:20,725 INFO L443 ceAbstractionStarter]: For program point L95(lines 95 104) no Hoare annotation was computed. [2019-10-13 22:58:20,725 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 (+ (* .cse0 (- 4294967296)) main_~main__x~0) 3))))) [2019-10-13 22:58:20,726 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 (+ (* .cse0 (- 4294967296)) main_~main__x~0) 3))))) [2019-10-13 22:58:20,726 INFO L443 ceAbstractionStarter]: For program point L21(lines 21 148) no Hoare annotation was computed. [2019-10-13 22:58:20,726 INFO L443 ceAbstractionStarter]: For program point L46(lines 46 83) no Hoare annotation was computed. [2019-10-13 22:58:20,726 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 14 149) no Hoare annotation was computed. [2019-10-13 22:58:20,727 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 (+ (* .cse0 (- 4294967296)) main_~main__x~0) 3))))) [2019-10-13 22:58:20,727 INFO L443 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 97) no Hoare annotation was computed. [2019-10-13 22:58:20,727 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 14 149) the Hoare annotation is: true [2019-10-13 22:58:20,728 INFO L443 ceAbstractionStarter]: For program point L88(lines 88 110) no Hoare annotation was computed. [2019-10-13 22:58:20,728 INFO L443 ceAbstractionStarter]: For program point L35(lines 35 111) no Hoare annotation was computed. [2019-10-13 22:58:20,745 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 10:58:20 BoogieIcfgContainer [2019-10-13 22:58:20,745 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 22:58:20,748 INFO L168 Benchmark]: Toolchain (without parser) took 1649.73 ms. Allocated memory was 137.9 MB in the beginning and 201.9 MB in the end (delta: 64.0 MB). Free memory was 102.8 MB in the beginning and 123.3 MB in the end (delta: -20.5 MB). Peak memory consumption was 43.5 MB. Max. memory is 7.1 GB. [2019-10-13 22:58:20,749 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 137.9 MB. Free memory was 121.2 MB in the beginning and 121.0 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-13 22:58:20,750 INFO L168 Benchmark]: CACSL2BoogieTranslator took 256.88 ms. Allocated memory is still 137.9 MB. Free memory was 102.4 MB in the beginning and 91.8 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2019-10-13 22:58:20,752 INFO L168 Benchmark]: Boogie Preprocessor took 117.03 ms. Allocated memory was 137.9 MB in the beginning and 201.9 MB in the end (delta: 64.0 MB). Free memory was 91.8 MB in the beginning and 179.4 MB in the end (delta: -87.7 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. [2019-10-13 22:58:20,753 INFO L168 Benchmark]: RCFGBuilder took 300.99 ms. Allocated memory is still 201.9 MB. Free memory was 179.4 MB in the beginning and 163.4 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. [2019-10-13 22:58:20,754 INFO L168 Benchmark]: TraceAbstraction took 970.07 ms. Allocated memory is still 201.9 MB. Free memory was 162.7 MB in the beginning and 123.3 MB in the end (delta: 39.4 MB). Peak memory consumption was 39.4 MB. Max. memory is 7.1 GB. [2019-10-13 22:58:20,758 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 137.9 MB. Free memory was 121.2 MB in the beginning and 121.0 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 256.88 ms. Allocated memory is still 137.9 MB. Free memory was 102.4 MB in the beginning and 91.8 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 117.03 ms. Allocated memory was 137.9 MB in the beginning and 201.9 MB in the end (delta: 64.0 MB). Free memory was 91.8 MB in the beginning and 179.4 MB in the end (delta: -87.7 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 300.99 ms. Allocated memory is still 201.9 MB. Free memory was 179.4 MB in the beginning and 163.4 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 970.07 ms. Allocated memory is still 201.9 MB. Free memory was 162.7 MB in the beginning and 123.3 MB in the end (delta: 39.4 MB). Peak memory consumption was 39.4 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 * ((main__x / 4294967296 * -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 * ((main__x / 4294967296 * -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 * ((main__x / 4294967296 * -4294967296 + main__x) / 3) - 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, 0.1s 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, 64 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, 1144 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...