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 0.1.24-13a467a-m [2019-10-15 03:01:58,614 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 03:01:58,617 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 03:01:58,635 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 03:01:58,635 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 03:01:58,637 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 03:01:58,639 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 03:01:58,649 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 03:01:58,651 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 03:01:58,652 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 03:01:58,653 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 03:01:58,654 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 03:01:58,655 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 03:01:58,656 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 03:01:58,657 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 03:01:58,658 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 03:01:58,659 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 03:01:58,659 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 03:01:58,661 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 03:01:58,663 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 03:01:58,664 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 03:01:58,665 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 03:01:58,666 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 03:01:58,667 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 03:01:58,669 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-15 03:01:58,672 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 03:01:58,673 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 03:01:58,674 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 03:01:58,674 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 03:01:58,675 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 03:01:58,676 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 03:01:58,676 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 03:01:58,676 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 03:01:58,677 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 03:01:58,678 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 03:01:58,678 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 03:01:58,679 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 [2019-10-15 03:01:58,693 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 03:01:58,693 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 03:01:58,694 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 03:01:58,695 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 03:01:58,695 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 03:01:58,695 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 03:01:58,695 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 03:01:58,696 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 03:01:58,696 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 03:01:58,696 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 03:01:58,696 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 03:01:58,696 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 03:01:58,697 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 03:01:58,697 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 03:01:58,697 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 03:01:58,697 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 03:01:58,697 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 03:01:58,698 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 03:01:58,698 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 03:01:58,698 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 03:01:58,698 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 03:01:58,699 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 03:01:58,699 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 03:01:58,699 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 03:01:58,699 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 03:01:58,700 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 03:01:58,700 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 03:01:58,700 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 03:01:58,700 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 [2019-10-15 03:01:59,013 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 03:01:59,029 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 03:01:59,033 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 03:01:59,035 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 03:01:59,035 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 03:01:59,036 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+lhb-reducer.c [2019-10-15 03:01:59,107 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34c3175a3/6c1b3cb9877d47e68c35d69d6dbb2004/FLAG1014f021c [2019-10-15 03:01:59,583 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 03:01:59,584 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+lhb-reducer.c [2019-10-15 03:01:59,592 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34c3175a3/6c1b3cb9877d47e68c35d69d6dbb2004/FLAG1014f021c [2019-10-15 03:02:00,027 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34c3175a3/6c1b3cb9877d47e68c35d69d6dbb2004 [2019-10-15 03:02:00,043 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 03:02:00,045 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 03:02:00,053 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 03:02:00,053 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 03:02:00,058 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 03:02:00,059 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:02:00" (1/1) ... [2019-10-15 03:02:00,083 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13252089 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:02:00, skipping insertion in model container [2019-10-15 03:02:00,084 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:02:00" (1/1) ... [2019-10-15 03:02:00,109 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 03:02:00,174 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 03:02:00,493 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:02:00,501 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 03:02:00,644 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:02:00,659 INFO L192 MainTranslator]: Completed translation [2019-10-15 03:02:00,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:02:00 WrapperNode [2019-10-15 03:02:00,659 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 03:02:00,660 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 03:02:00,660 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 03:02:00,660 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 03:02:00,672 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:02:00" (1/1) ... [2019-10-15 03:02:00,672 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:02:00" (1/1) ... [2019-10-15 03:02:00,679 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:02:00" (1/1) ... [2019-10-15 03:02:00,679 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:02:00" (1/1) ... [2019-10-15 03:02:00,685 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:02:00" (1/1) ... [2019-10-15 03:02:00,688 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:02:00" (1/1) ... [2019-10-15 03:02:00,690 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:02:00" (1/1) ... [2019-10-15 03:02:00,692 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 03:02:00,693 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 03:02:00,693 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 03:02:00,693 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 03:02:00,694 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:02:00" (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 [2019-10-15 03:02:00,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 03:02:00,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 03:02:00,767 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 03:02:00,768 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 03:02:00,768 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 03:02:00,768 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-15 03:02:00,768 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 03:02:00,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 03:02:00,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 03:02:01,143 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 03:02:01,144 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-15 03:02:01,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:02:01 BoogieIcfgContainer [2019-10-15 03:02:01,145 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 03:02:01,147 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 03:02:01,147 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 03:02:01,151 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 03:02:01,152 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 03:02:00" (1/3) ... [2019-10-15 03:02:01,153 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@babae98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:02:01, skipping insertion in model container [2019-10-15 03:02:01,153 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:02:00" (2/3) ... [2019-10-15 03:02:01,154 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@babae98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:02:01, skipping insertion in model container [2019-10-15 03:02:01,154 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:02:01" (3/3) ... [2019-10-15 03:02:01,156 INFO L109 eAbstractionObserver]: Analyzing ICFG mod3.c.v+lhb-reducer.c [2019-10-15 03:02:01,171 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 03:02:01,190 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 03:02:01,199 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 03:02:01,227 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 03:02:01,227 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 03:02:01,228 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 03:02:01,228 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 03:02:01,228 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 03:02:01,229 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 03:02:01,229 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 03:02:01,229 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 03:02:01,258 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states. [2019-10-15 03:02:01,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-10-15 03:02:01,264 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:02:01,265 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:02:01,267 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:02:01,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:02:01,273 INFO L82 PathProgramCache]: Analyzing trace with hash 1349018097, now seen corresponding path program 1 times [2019-10-15 03:02:01,281 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:02:01,282 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710569258] [2019-10-15 03:02:01,282 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:02:01,282 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:02:01,282 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:02:01,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:02:01,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:02:01,774 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710569258] [2019-10-15 03:02:01,776 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:02:01,777 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-15 03:02:01,778 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525388288] [2019-10-15 03:02:01,783 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-15 03:02:01,784 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:02:01,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-15 03:02:01,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 03:02:01,804 INFO L87 Difference]: Start difference. First operand 27 states. Second operand 4 states. [2019-10-15 03:02:01,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:02:01,972 INFO L93 Difference]: Finished difference Result 51 states and 69 transitions. [2019-10-15 03:02:01,973 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-15 03:02:01,974 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2019-10-15 03:02:01,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:02:01,982 INFO L225 Difference]: With dead ends: 51 [2019-10-15 03:02:01,982 INFO L226 Difference]: Without dead ends: 0 [2019-10-15 03:02:01,986 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 [2019-10-15 03:02:02,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-15 03:02:02,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-15 03:02:02,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-15 03:02:02,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-15 03:02:02,016 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2019-10-15 03:02:02,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:02:02,017 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-15 03:02:02,017 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-15 03:02:02,017 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-15 03:02:02,018 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-15 03:02:02,024 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-15 03:02:02,070 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-10-15 03:02:02,070 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-15 03:02:02,070 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-15 03:02:02,070 INFO L446 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2019-10-15 03:02:02,071 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-15 03:02:02,071 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-15 03:02:02,071 INFO L443 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2019-10-15 03:02:02,071 INFO L443 ceAbstractionStarter]: For program point L126(lines 126 141) no Hoare annotation was computed. [2019-10-15 03:02:02,071 INFO L443 ceAbstractionStarter]: For program point L60(lines 60 82) no Hoare annotation was computed. [2019-10-15 03:02:02,072 INFO L443 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 97) no Hoare annotation was computed. [2019-10-15 03:02:02,072 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 14 149) no Hoare annotation was computed. [2019-10-15 03:02:02,072 INFO L443 ceAbstractionStarter]: For program point L23(lines 23 143) no Hoare annotation was computed. [2019-10-15 03:02:02,072 INFO L446 ceAbstractionStarter]: At program point L81(lines 15 149) the Hoare annotation is: true [2019-10-15 03:02:02,072 INFO L443 ceAbstractionStarter]: For program point L115(lines 115 142) no Hoare annotation was computed. [2019-10-15 03:02:02,073 INFO L446 ceAbstractionStarter]: At program point L140(lines 23 143) the Hoare annotation is: true [2019-10-15 03:02:02,073 INFO L443 ceAbstractionStarter]: For program point L37(lines 37 84) no Hoare annotation was computed. [2019-10-15 03:02:02,073 INFO L446 ceAbstractionStarter]: At program point L132(lines 23 143) the Hoare annotation is: true [2019-10-15 03:02:02,075 INFO L443 ceAbstractionStarter]: For program point L95(lines 95 104) no Hoare annotation was computed. [2019-10-15 03:02:02,076 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))))) [2019-10-15 03:02:02,076 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))))) [2019-10-15 03:02:02,076 INFO L443 ceAbstractionStarter]: For program point L21(lines 21 148) no Hoare annotation was computed. [2019-10-15 03:02:02,076 INFO L443 ceAbstractionStarter]: For program point L46(lines 46 83) no Hoare annotation was computed. [2019-10-15 03:02:02,077 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 14 149) no Hoare annotation was computed. [2019-10-15 03:02:02,077 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))))) [2019-10-15 03:02:02,077 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 14 149) the Hoare annotation is: true [2019-10-15 03:02:02,077 INFO L443 ceAbstractionStarter]: For program point L88(lines 88 110) no Hoare annotation was computed. [2019-10-15 03:02:02,078 INFO L443 ceAbstractionStarter]: For program point L35(lines 35 111) no Hoare annotation was computed. [2019-10-15 03:02:02,100 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 03:02:02 BoogieIcfgContainer [2019-10-15 03:02:02,100 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-15 03:02:02,104 INFO L168 Benchmark]: Toolchain (without parser) took 2057.28 ms. Allocated memory was 138.9 MB in the beginning and 201.3 MB in the end (delta: 62.4 MB). Free memory was 104.0 MB in the beginning and 121.8 MB in the end (delta: -17.8 MB). Peak memory consumption was 44.6 MB. Max. memory is 7.1 GB. [2019-10-15 03:02:02,105 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 138.9 MB. Free memory was 122.2 MB in the beginning and 122.0 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-15 03:02:02,107 INFO L168 Benchmark]: CACSL2BoogieTranslator took 606.82 ms. Allocated memory was 138.9 MB in the beginning and 201.3 MB in the end (delta: 62.4 MB). Free memory was 103.8 MB in the beginning and 179.4 MB in the end (delta: -75.6 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB. [2019-10-15 03:02:02,109 INFO L168 Benchmark]: Boogie Preprocessor took 32.08 ms. Allocated memory is still 201.3 MB. Free memory was 179.4 MB in the beginning and 178.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2019-10-15 03:02:02,110 INFO L168 Benchmark]: RCFGBuilder took 452.89 ms. Allocated memory is still 201.3 MB. Free memory was 178.0 MB in the beginning and 161.5 MB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 7.1 GB. [2019-10-15 03:02:02,112 INFO L168 Benchmark]: TraceAbstraction took 953.76 ms. Allocated memory is still 201.3 MB. Free memory was 161.5 MB in the beginning and 121.8 MB in the end (delta: 39.7 MB). Peak memory consumption was 39.7 MB. Max. memory is 7.1 GB. [2019-10-15 03:02:02,122 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 138.9 MB. Free memory was 122.2 MB in the beginning and 122.0 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 606.82 ms. Allocated memory was 138.9 MB in the beginning and 201.3 MB in the end (delta: 62.4 MB). Free memory was 103.8 MB in the beginning and 179.4 MB in the end (delta: -75.6 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 32.08 ms. Allocated memory is still 201.3 MB. Free memory was 179.4 MB in the beginning and 178.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 452.89 ms. Allocated memory is still 201.3 MB. Free memory was 178.0 MB in the beginning and 161.5 MB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 953.76 ms. Allocated memory is still 201.3 MB. Free memory was 161.5 MB in the beginning and 121.8 MB in the end (delta: 39.7 MB). Peak memory consumption was 39.7 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, 0.2s 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...