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 --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+sep-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 01:04:53,404 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 01:04:53,406 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 01:04:53,417 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 01:04:53,418 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 01:04:53,419 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 01:04:53,420 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 01:04:53,422 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 01:04:53,423 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 01:04:53,424 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 01:04:53,425 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 01:04:53,427 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 01:04:53,427 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 01:04:53,428 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 01:04:53,429 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 01:04:53,430 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 01:04:53,431 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 01:04:53,432 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 01:04:53,434 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 01:04:53,436 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 01:04:53,438 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 01:04:53,439 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 01:04:53,440 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 01:04:53,441 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 01:04:53,443 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 01:04:53,444 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 01:04:53,444 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 01:04:53,445 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 01:04:53,446 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 01:04:53,447 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 01:04:53,447 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 01:04:53,448 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 01:04:53,449 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 01:04:53,450 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 01:04:53,451 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 01:04:53,451 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 01:04:53,452 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 01:04:53,452 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 01:04:53,453 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 01:04:53,453 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 01:04:53,454 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 01:04:53,455 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 01:04:53,471 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 01:04:53,471 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 01:04:53,474 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 01:04:53,474 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 01:04:53,474 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 01:04:53,475 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 01:04:53,475 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 01:04:53,475 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 01:04:53,475 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 01:04:53,475 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 01:04:53,475 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 01:04:53,476 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 01:04:53,476 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 01:04:53,476 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 01:04:53,476 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 01:04:53,476 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 01:04:53,477 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 01:04:53,477 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 01:04:53,478 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 01:04:53,478 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 01:04:53,479 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 01:04:53,479 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:04:53,479 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 01:04:53,480 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 01:04:53,480 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 01:04:53,480 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 01:04:53,480 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 01:04:53,480 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 01:04:53,481 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-15 01:04:53,750 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 01:04:53,763 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 01:04:53,766 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 01:04:53,768 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 01:04:53,768 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 01:04:53,769 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+sep-reducer.c [2019-10-15 01:04:53,850 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c950df852/98164c3c2199493183fac2f12d01952a/FLAG5eb596c92 [2019-10-15 01:04:54,369 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 01:04:54,370 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+sep-reducer.c [2019-10-15 01:04:54,382 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c950df852/98164c3c2199493183fac2f12d01952a/FLAG5eb596c92 [2019-10-15 01:04:54,791 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c950df852/98164c3c2199493183fac2f12d01952a [2019-10-15 01:04:54,801 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 01:04:54,802 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 01:04:54,803 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 01:04:54,804 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 01:04:54,807 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 01:04:54,808 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:04:54" (1/1) ... [2019-10-15 01:04:54,811 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c329988 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:04:54, skipping insertion in model container [2019-10-15 01:04:54,812 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:04:54" (1/1) ... [2019-10-15 01:04:54,820 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 01:04:54,845 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 01:04:55,054 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:04:55,059 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 01:04:55,082 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:04:55,098 INFO L192 MainTranslator]: Completed translation [2019-10-15 01:04:55,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:04:55 WrapperNode [2019-10-15 01:04:55,099 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 01:04:55,099 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 01:04:55,100 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 01:04:55,100 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 01:04:55,197 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:04:55" (1/1) ... [2019-10-15 01:04:55,197 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:04:55" (1/1) ... [2019-10-15 01:04:55,203 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:04:55" (1/1) ... [2019-10-15 01:04:55,203 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:04:55" (1/1) ... [2019-10-15 01:04:55,216 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:04:55" (1/1) ... [2019-10-15 01:04:55,219 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:04:55" (1/1) ... [2019-10-15 01:04:55,220 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:04:55" (1/1) ... [2019-10-15 01:04:55,222 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 01:04:55,223 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 01:04:55,223 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 01:04:55,223 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 01:04:55,224 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:04:55" (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 01:04:55,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 01:04:55,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 01:04:55,283 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 01:04:55,283 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 01:04:55,284 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 01:04:55,284 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-15 01:04:55,284 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 01:04:55,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 01:04:55,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 01:04:55,546 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 01:04:55,547 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-15 01:04:55,555 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:04:55 BoogieIcfgContainer [2019-10-15 01:04:55,556 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 01:04:55,560 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 01:04:55,561 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 01:04:55,569 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 01:04:55,571 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:04:54" (1/3) ... [2019-10-15 01:04:55,573 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27037ad4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:04:55, skipping insertion in model container [2019-10-15 01:04:55,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:04:55" (2/3) ... [2019-10-15 01:04:55,577 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27037ad4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:04:55, skipping insertion in model container [2019-10-15 01:04:55,577 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:04:55" (3/3) ... [2019-10-15 01:04:55,579 INFO L109 eAbstractionObserver]: Analyzing ICFG mod3.c.v+sep-reducer.c [2019-10-15 01:04:55,607 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 01:04:55,627 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 01:04:55,649 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 01:04:55,684 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 01:04:55,685 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 01:04:55,685 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 01:04:55,685 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 01:04:55,685 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 01:04:55,685 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 01:04:55,685 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 01:04:55,686 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 01:04:55,704 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states. [2019-10-15 01:04:55,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-10-15 01:04:55,711 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:04:55,712 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:04:55,713 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:04:55,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:04:55,719 INFO L82 PathProgramCache]: Analyzing trace with hash 453243256, now seen corresponding path program 1 times [2019-10-15 01:04:55,726 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:04:55,726 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949056080] [2019-10-15 01:04:55,726 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:04:55,726 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:04:55,727 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:04:55,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:04:56,230 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 01:04:56,231 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949056080] [2019-10-15 01:04:56,232 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:04:56,233 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-15 01:04:56,233 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710370212] [2019-10-15 01:04:56,239 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-15 01:04:56,240 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:04:56,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-15 01:04:56,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 01:04:56,257 INFO L87 Difference]: Start difference. First operand 28 states. Second operand 4 states. [2019-10-15 01:04:56,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:04:56,452 INFO L93 Difference]: Finished difference Result 52 states and 70 transitions. [2019-10-15 01:04:56,453 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-15 01:04:56,454 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2019-10-15 01:04:56,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:04:56,462 INFO L225 Difference]: With dead ends: 52 [2019-10-15 01:04:56,462 INFO L226 Difference]: Without dead ends: 0 [2019-10-15 01:04:56,466 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 01:04:56,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-15 01:04:56,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-15 01:04:56,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-15 01:04:56,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-15 01:04:56,493 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2019-10-15 01:04:56,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:04:56,494 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-15 01:04:56,494 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-15 01:04:56,494 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-15 01:04:56,494 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-15 01:04:56,499 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-15 01:04:56,532 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:04:56,533 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-10-15 01:04:56,533 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:04:56,533 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:04:56,533 INFO L446 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2019-10-15 01:04:56,534 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-15 01:04:56,534 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:04:56,534 INFO L443 ceAbstractionStarter]: For program point L93(lines 93 102) no Hoare annotation was computed. [2019-10-15 01:04:56,534 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 13 145) no Hoare annotation was computed. [2019-10-15 01:04:56,535 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))) [2019-10-15 01:04:56,535 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 80) no Hoare annotation was computed. [2019-10-15 01:04:56,535 INFO L443 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 95) no Hoare annotation was computed. [2019-10-15 01:04:56,536 INFO L443 ceAbstractionStarter]: For program point L86(lines 86 108) no Hoare annotation was computed. [2019-10-15 01:04:56,536 INFO L443 ceAbstractionStarter]: For program point L20(lines 20 144) no Hoare annotation was computed. [2019-10-15 01:04:56,536 INFO L443 ceAbstractionStarter]: For program point L115(lines 115 137) no Hoare annotation was computed. [2019-10-15 01:04:56,536 INFO L443 ceAbstractionStarter]: For program point L45(lines 45 82) no Hoare annotation was computed. [2019-10-15 01:04:56,536 INFO L446 ceAbstractionStarter]: At program point L136(lines 14 145) the Hoare annotation is: true [2019-10-15 01:04:56,537 INFO L443 ceAbstractionStarter]: For program point L33(lines 33 138) no Hoare annotation was computed. [2019-10-15 01:04:56,537 INFO L443 ceAbstractionStarter]: For program point L95(line 95) no Hoare annotation was computed. [2019-10-15 01:04:56,537 INFO L443 ceAbstractionStarter]: For program point L54(lines 54 81) no Hoare annotation was computed. [2019-10-15 01:04:56,537 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))) [2019-10-15 01:04:56,537 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 13 145) no Hoare annotation was computed. [2019-10-15 01:04:56,538 INFO L446 ceAbstractionStarter]: At program point L133(lines 33 138) the Hoare annotation is: true [2019-10-15 01:04:56,538 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 13 145) the Hoare annotation is: true [2019-10-15 01:04:56,538 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))) [2019-10-15 01:04:56,538 INFO L446 ceAbstractionStarter]: At program point L121(lines 33 138) the Hoare annotation is: true [2019-10-15 01:04:56,539 INFO L443 ceAbstractionStarter]: For program point L22(lines 22 139) no Hoare annotation was computed. [2019-10-15 01:04:56,539 INFO L443 ceAbstractionStarter]: For program point L43(lines 43 109) no Hoare annotation was computed. [2019-10-15 01:04:56,554 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 01:04:56 BoogieIcfgContainer [2019-10-15 01:04:56,555 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-15 01:04:56,558 INFO L168 Benchmark]: Toolchain (without parser) took 1754.20 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 101.9 MB in the beginning and 120.1 MB in the end (delta: -18.2 MB). Peak memory consumption was 45.8 MB. Max. memory is 7.1 GB. [2019-10-15 01:04:56,559 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 137.4 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-15 01:04:56,560 INFO L168 Benchmark]: CACSL2BoogieTranslator took 295.60 ms. Allocated memory is still 137.4 MB. Free memory was 101.7 MB in the beginning and 91.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. [2019-10-15 01:04:56,561 INFO L168 Benchmark]: Boogie Preprocessor took 123.17 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 91.1 MB in the beginning and 179.5 MB in the end (delta: -88.5 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. [2019-10-15 01:04:56,562 INFO L168 Benchmark]: RCFGBuilder took 332.72 ms. Allocated memory is still 201.3 MB. Free memory was 179.5 MB in the beginning and 163.9 MB in the end (delta: 15.6 MB). Peak memory consumption was 15.6 MB. Max. memory is 7.1 GB. [2019-10-15 01:04:56,563 INFO L168 Benchmark]: TraceAbstraction took 994.78 ms. Allocated memory is still 201.3 MB. Free memory was 163.2 MB in the beginning and 120.1 MB in the end (delta: 43.1 MB). Peak memory consumption was 43.1 MB. Max. memory is 7.1 GB. [2019-10-15 01:04:56,567 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 137.4 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 295.60 ms. Allocated memory is still 137.4 MB. Free memory was 101.7 MB in the beginning and 91.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 123.17 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 91.1 MB in the beginning and 179.5 MB in the end (delta: -88.5 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 332.72 ms. Allocated memory is still 201.3 MB. Free memory was 179.5 MB in the beginning and 163.9 MB in the end (delta: 15.6 MB). Peak memory consumption was 15.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 994.78 ms. Allocated memory is still 201.3 MB. Free memory was 163.2 MB in the beginning and 120.1 MB in the end (delta: 43.1 MB). Peak memory consumption was 43.1 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, 28 locations, 1 error locations. Result: SAFE, OverallTime: 0.8s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 30 SDtfs, 10 SDslu, 44 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=28occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s 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, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 1414 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...