java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+sep-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 19:15:56,530 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 19:15:56,533 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 19:15:56,551 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 19:15:56,551 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 19:15:56,553 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 19:15:56,555 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 19:15:56,564 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 19:15:56,567 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 19:15:56,570 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 19:15:56,572 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 19:15:56,573 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 19:15:56,574 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 19:15:56,575 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 19:15:56,577 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 19:15:56,579 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 19:15:56,580 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 19:15:56,581 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 19:15:56,582 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 19:15:56,586 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 19:15:56,590 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 19:15:56,593 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 19:15:56,595 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 19:15:56,595 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 19:15:56,597 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-13 19:15:56,601 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 19:15:56,603 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 19:15:56,603 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 19:15:56,604 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 19:15:56,605 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 19:15:56,606 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 19:15:56,606 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 19:15:56,606 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 19:15:56,607 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 19:15:56,607 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 19:15:56,608 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 19:15:56,609 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 19:15:56,643 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 19:15:56,646 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 19:15:56,647 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 19:15:56,647 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 19:15:56,647 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 19:15:56,647 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 19:15:56,648 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 19:15:56,648 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 19:15:56,648 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 19:15:56,648 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 19:15:56,649 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 19:15:56,649 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 19:15:56,649 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 19:15:56,649 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 19:15:56,649 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 19:15:56,649 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 19:15:56,650 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 19:15:56,650 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 19:15:56,650 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 19:15:56,650 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 19:15:56,650 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 19:15:56,651 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 19:15:56,651 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 19:15:56,651 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 19:15:56,651 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 19:15:56,651 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 19:15:56,652 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 19:15:56,652 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 19:15:56,652 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-13 19:15:56,911 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 19:15:56,923 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 19:15:56,927 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 19:15:56,928 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 19:15:56,929 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 19:15:56,929 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+sep-reducer.c [2019-10-13 19:15:57,005 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08ec17b7f/db636a82f43d4550a0b159aaf423be30/FLAGb130335d2 [2019-10-13 19:15:57,444 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 19:15:57,445 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+sep-reducer.c [2019-10-13 19:15:57,452 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08ec17b7f/db636a82f43d4550a0b159aaf423be30/FLAGb130335d2 [2019-10-13 19:15:57,819 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08ec17b7f/db636a82f43d4550a0b159aaf423be30 [2019-10-13 19:15:57,829 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 19:15:57,830 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 19:15:57,831 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 19:15:57,831 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 19:15:57,835 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 19:15:57,836 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:15:57" (1/1) ... [2019-10-13 19:15:57,839 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d066b29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:15:57, skipping insertion in model container [2019-10-13 19:15:57,839 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:15:57" (1/1) ... [2019-10-13 19:15:57,846 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 19:15:57,869 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 19:15:58,085 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:15:58,090 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 19:15:58,116 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:15:58,134 INFO L192 MainTranslator]: Completed translation [2019-10-13 19:15:58,134 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:15:58 WrapperNode [2019-10-13 19:15:58,135 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 19:15:58,135 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 19:15:58,136 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 19:15:58,136 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 19:15:58,241 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:15:58" (1/1) ... [2019-10-13 19:15:58,241 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:15:58" (1/1) ... [2019-10-13 19:15:58,253 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:15:58" (1/1) ... [2019-10-13 19:15:58,255 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:15:58" (1/1) ... [2019-10-13 19:15:58,266 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:15:58" (1/1) ... [2019-10-13 19:15:58,275 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:15:58" (1/1) ... [2019-10-13 19:15:58,276 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:15:58" (1/1) ... [2019-10-13 19:15:58,278 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 19:15:58,278 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 19:15:58,278 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 19:15:58,279 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 19:15:58,279 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:15:58" (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 19:15:58,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 19:15:58,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 19:15:58,331 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 19:15:58,331 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 19:15:58,331 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 19:15:58,331 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-13 19:15:58,331 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 19:15:58,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 19:15:58,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 19:15:58,635 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 19:15:58,635 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-13 19:15:58,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:15:58 BoogieIcfgContainer [2019-10-13 19:15:58,636 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 19:15:58,637 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 19:15:58,637 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 19:15:58,640 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 19:15:58,640 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:15:57" (1/3) ... [2019-10-13 19:15:58,641 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53e32d43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:15:58, skipping insertion in model container [2019-10-13 19:15:58,641 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:15:58" (2/3) ... [2019-10-13 19:15:58,642 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53e32d43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:15:58, skipping insertion in model container [2019-10-13 19:15:58,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:15:58" (3/3) ... [2019-10-13 19:15:58,643 INFO L109 eAbstractionObserver]: Analyzing ICFG mod3.c.v+sep-reducer.c [2019-10-13 19:15:58,651 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 19:15:58,657 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 19:15:58,668 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 19:15:58,692 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 19:15:58,692 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 19:15:58,693 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 19:15:58,693 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 19:15:58,693 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 19:15:58,693 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 19:15:58,693 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 19:15:58,693 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 19:15:58,711 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states. [2019-10-13 19:15:58,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-10-13 19:15:58,717 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:15:58,718 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 19:15:58,720 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:15:58,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:15:58,725 INFO L82 PathProgramCache]: Analyzing trace with hash 453243256, now seen corresponding path program 1 times [2019-10-13 19:15:58,731 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:15:58,731 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410557923] [2019-10-13 19:15:58,731 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:15:58,732 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:15:58,732 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:15:58,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:15:59,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:15:59,243 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 19:15:59,244 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410557923] [2019-10-13 19:15:59,245 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:15:59,245 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 19:15:59,245 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283247860] [2019-10-13 19:15:59,250 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 19:15:59,250 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:15:59,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 19:15:59,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 19:15:59,268 INFO L87 Difference]: Start difference. First operand 28 states. Second operand 5 states. [2019-10-13 19:15:59,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:15:59,540 INFO L93 Difference]: Finished difference Result 59 states and 81 transitions. [2019-10-13 19:15:59,541 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-13 19:15:59,542 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2019-10-13 19:15:59,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:15:59,549 INFO L225 Difference]: With dead ends: 59 [2019-10-13 19:15:59,550 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 19:15:59,553 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-13 19:15:59,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 19:15:59,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 19:15:59,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 19:15:59,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 19:15:59,577 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2019-10-13 19:15:59,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:15:59,578 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 19:15:59,578 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 19:15:59,578 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 19:15:59,578 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 19:15:59,583 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 19:15:59,690 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 19:15:59,691 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__tmp_22_1~0 |old(~__tmp_22_1~0)|) (= ~__tmp_28_0~0 |old(~__tmp_28_0~0)|) (= ~__tmp_25_0~0 |old(~__tmp_25_0~0)|) (= ~__return_65~0 |old(~__return_65~0)|) (= ~__tmp_22_0~0 |old(~__tmp_22_0~0)|) (= ~__tmp_25_1~0 |old(~__tmp_25_1~0)|) (= ~__tmp_31_0~0 |old(~__tmp_31_0~0)|)) [2019-10-13 19:15:59,691 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 19:15:59,691 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 19:15:59,692 INFO L446 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2019-10-13 19:15:59,692 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 19:15:59,692 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 19:15:59,692 INFO L443 ceAbstractionStarter]: For program point L93(lines 93 102) no Hoare annotation was computed. [2019-10-13 19:15:59,693 INFO L443 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 95) no Hoare annotation was computed. [2019-10-13 19:15:59,693 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 13 145) no Hoare annotation was computed. [2019-10-13 19:15:59,693 INFO L439 ceAbstractionStarter]: At program point L40(lines 22 139) the Hoare annotation is: (<= (* 2863311531 main_~main__x~0) (let ((.cse0 (div main_~main__x~0 4294967296))) (+ (* 12297829383904690176 .cse0) (* 8589934592 (div (+ (* .cse0 (- 4294967296)) main_~main__x~0) 3)) 1431655765))) [2019-10-13 19:15:59,693 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 80) no Hoare annotation was computed. [2019-10-13 19:15:59,694 INFO L443 ceAbstractionStarter]: For program point L86(lines 86 108) no Hoare annotation was computed. [2019-10-13 19:15:59,694 INFO L443 ceAbstractionStarter]: For program point L20(lines 20 144) no Hoare annotation was computed. [2019-10-13 19:15:59,694 INFO L443 ceAbstractionStarter]: For program point L115(lines 115 137) no Hoare annotation was computed. [2019-10-13 19:15:59,694 INFO L443 ceAbstractionStarter]: For program point L45(lines 45 82) no Hoare annotation was computed. [2019-10-13 19:15:59,694 INFO L446 ceAbstractionStarter]: At program point L136(lines 14 145) the Hoare annotation is: true [2019-10-13 19:15:59,694 INFO L443 ceAbstractionStarter]: For program point L33(lines 33 138) no Hoare annotation was computed. [2019-10-13 19:15:59,694 INFO L443 ceAbstractionStarter]: For program point L95(line 95) no Hoare annotation was computed. [2019-10-13 19:15:59,695 INFO L443 ceAbstractionStarter]: For program point L54(lines 54 81) no Hoare annotation was computed. [2019-10-13 19:15:59,695 INFO L439 ceAbstractionStarter]: At program point L50(lines 22 139) the Hoare annotation is: (<= (* 2863311531 main_~main__x~0) (let ((.cse0 (div main_~main__x~0 4294967296))) (+ (* 12297829383904690176 .cse0) (* 8589934592 (div (+ (* .cse0 (- 4294967296)) main_~main__x~0) 3)) 1431655765))) [2019-10-13 19:15:59,695 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 13 145) no Hoare annotation was computed. [2019-10-13 19:15:59,695 INFO L446 ceAbstractionStarter]: At program point L133(lines 33 138) the Hoare annotation is: true [2019-10-13 19:15:59,695 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 13 145) the Hoare annotation is: (and (= ~__tmp_22_1~0 |old(~__tmp_22_1~0)|) (= ~__tmp_28_0~0 |old(~__tmp_28_0~0)|) (= ~__tmp_25_0~0 |old(~__tmp_25_0~0)|) (= ~__return_65~0 |old(~__return_65~0)|) (= ~__tmp_22_0~0 |old(~__tmp_22_0~0)|) (= ~__tmp_25_1~0 |old(~__tmp_25_1~0)|) (= ~__tmp_31_0~0 |old(~__tmp_31_0~0)|)) [2019-10-13 19:15:59,695 INFO L439 ceAbstractionStarter]: At program point L59(lines 34 110) the Hoare annotation is: (<= (* 2863311531 main_~main__x~0) (let ((.cse0 (div main_~main__x~0 4294967296))) (+ (* 12297829383904690176 .cse0) (* 8589934592 (div (+ (* .cse0 (- 4294967296)) main_~main__x~0) 3)) 1431655765))) [2019-10-13 19:15:59,696 INFO L446 ceAbstractionStarter]: At program point L121(lines 33 138) the Hoare annotation is: true [2019-10-13 19:15:59,696 INFO L443 ceAbstractionStarter]: For program point L22(lines 22 139) no Hoare annotation was computed. [2019-10-13 19:15:59,696 INFO L443 ceAbstractionStarter]: For program point L43(lines 43 109) no Hoare annotation was computed. [2019-10-13 19:15:59,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 07:15:59 BoogieIcfgContainer [2019-10-13 19:15:59,713 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 19:15:59,716 INFO L168 Benchmark]: Toolchain (without parser) took 1884.62 ms. Allocated memory was 137.9 MB in the beginning and 202.4 MB in the end (delta: 64.5 MB). Free memory was 101.9 MB in the beginning and 101.8 MB in the end (delta: 62.2 kB). Peak memory consumption was 64.5 MB. Max. memory is 7.1 GB. [2019-10-13 19:15:59,717 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 137.9 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-13 19:15:59,718 INFO L168 Benchmark]: CACSL2BoogieTranslator took 303.85 ms. Allocated memory is still 137.9 MB. Free memory was 101.6 MB in the beginning and 90.7 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. [2019-10-13 19:15:59,719 INFO L168 Benchmark]: Boogie Preprocessor took 142.54 ms. Allocated memory was 137.9 MB in the beginning and 202.4 MB in the end (delta: 64.5 MB). Free memory was 90.7 MB in the beginning and 180.7 MB in the end (delta: -90.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. [2019-10-13 19:15:59,720 INFO L168 Benchmark]: RCFGBuilder took 357.94 ms. Allocated memory is still 202.4 MB. Free memory was 180.7 MB in the beginning and 164.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. [2019-10-13 19:15:59,721 INFO L168 Benchmark]: TraceAbstraction took 1076.15 ms. Allocated memory is still 202.4 MB. Free memory was 164.6 MB in the beginning and 101.8 MB in the end (delta: 62.8 MB). Peak memory consumption was 62.8 MB. Max. memory is 7.1 GB. [2019-10-13 19:15:59,726 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 137.9 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 303.85 ms. Allocated memory is still 137.9 MB. Free memory was 101.6 MB in the beginning and 90.7 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 142.54 ms. Allocated memory was 137.9 MB in the beginning and 202.4 MB in the end (delta: 64.5 MB). Free memory was 90.7 MB in the beginning and 180.7 MB in the end (delta: -90.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 357.94 ms. Allocated memory is still 202.4 MB. Free memory was 180.7 MB in the beginning and 164.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1076.15 ms. Allocated memory is still 202.4 MB. Free memory was 164.6 MB in the beginning and 101.8 MB in the end (delta: 62.8 MB). Peak memory consumption was 62.8 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: 1.0s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 29 SDtfs, 17 SDslu, 34 SDs, 0 SdLazy, 60 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 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, 17 NumberOfFragments, 118 HoareAnnotationTreeSize, 10 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 10 FomulaSimplificationsInter, 3 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 1750 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...