/usr/bin/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/loops/trex03-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 04:04:06,575 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 04:04:06,578 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 04:04:06,589 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 04:04:06,590 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 04:04:06,591 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 04:04:06,592 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 04:04:06,594 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 04:04:06,595 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 04:04:06,596 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 04:04:06,597 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 04:04:06,598 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 04:04:06,599 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 04:04:06,600 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 04:04:06,601 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 04:04:06,602 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 04:04:06,602 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 04:04:06,603 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 04:04:06,605 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 04:04:06,607 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 04:04:06,608 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 04:04:06,609 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 04:04:06,610 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 04:04:06,611 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 04:04:06,613 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-07 04:04:06,626 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 04:04:06,626 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 04:04:06,629 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 04:04:06,630 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 [2019-11-07 04:04:06,652 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 04:04:06,652 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 04:04:06,654 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 04:04:06,654 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 04:04:06,654 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 04:04:06,655 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 04:04:06,655 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 04:04:06,655 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 04:04:06,655 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 04:04:06,656 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 04:04:06,657 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 04:04:06,657 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 04:04:06,657 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 04:04:06,657 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 04:04:06,658 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 04:04:06,658 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 04:04:06,658 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 04:04:06,658 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 04:04:06,658 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 04:04:06,658 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 04:04:06,659 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 04:04:06,659 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 04:04:06,659 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 04:04:06,660 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 04:04:06,660 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 04:04:06,660 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 04:04:06,660 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 04:04:06,660 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 04:04:06,660 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 [2019-11-07 04:04:06,975 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 04:04:06,988 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 04:04:06,992 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 04:04:06,993 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 04:04:06,994 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 04:04:06,994 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/trex03-2.c [2019-11-07 04:04:07,051 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d03f3036/a0f2325092de49ddb83d7f33bbd67a8b/FLAG0dfdc498c [2019-11-07 04:04:07,461 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 04:04:07,462 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/trex03-2.c [2019-11-07 04:04:07,467 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d03f3036/a0f2325092de49ddb83d7f33bbd67a8b/FLAG0dfdc498c [2019-11-07 04:04:07,883 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d03f3036/a0f2325092de49ddb83d7f33bbd67a8b [2019-11-07 04:04:07,907 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 04:04:07,912 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 04:04:07,916 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 04:04:07,916 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 04:04:07,925 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 04:04:07,926 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:04:07" (1/1) ... [2019-11-07 04:04:07,934 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1abb0932 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:04:07, skipping insertion in model container [2019-11-07 04:04:07,934 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:04:07" (1/1) ... [2019-11-07 04:04:07,952 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 04:04:07,997 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 04:04:08,246 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:04:08,250 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 04:04:08,265 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:04:08,277 INFO L192 MainTranslator]: Completed translation [2019-11-07 04:04:08,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:04:08 WrapperNode [2019-11-07 04:04:08,277 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 04:04:08,278 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 04:04:08,278 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 04:04:08,278 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 04:04:08,382 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:04:08" (1/1) ... [2019-11-07 04:04:08,383 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:04:08" (1/1) ... [2019-11-07 04:04:08,389 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:04:08" (1/1) ... [2019-11-07 04:04:08,391 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:04:08" (1/1) ... [2019-11-07 04:04:08,394 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:04:08" (1/1) ... [2019-11-07 04:04:08,399 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:04:08" (1/1) ... [2019-11-07 04:04:08,400 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:04:08" (1/1) ... [2019-11-07 04:04:08,401 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 04:04:08,402 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 04:04:08,402 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 04:04:08,402 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 04:04:08,403 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:04:08" (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 [2019-11-07 04:04:08,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 04:04:08,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 04:04:08,459 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-11-07 04:04:08,459 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 04:04:08,459 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 04:04:08,459 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-11-07 04:04:08,459 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-11-07 04:04:08,460 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-11-07 04:04:08,460 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 04:04:08,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 04:04:08,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 04:04:08,779 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 04:04:08,780 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-07 04:04:08,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:04:08 BoogieIcfgContainer [2019-11-07 04:04:08,781 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 04:04:08,782 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 04:04:08,782 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 04:04:08,785 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 04:04:08,785 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:04:07" (1/3) ... [2019-11-07 04:04:08,788 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1778c559 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:04:08, skipping insertion in model container [2019-11-07 04:04:08,788 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:04:08" (2/3) ... [2019-11-07 04:04:08,788 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1778c559 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:04:08, skipping insertion in model container [2019-11-07 04:04:08,788 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:04:08" (3/3) ... [2019-11-07 04:04:08,790 INFO L109 eAbstractionObserver]: Analyzing ICFG trex03-2.c [2019-11-07 04:04:08,803 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 04:04:08,812 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 04:04:08,824 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 04:04:08,850 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 04:04:08,850 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 04:04:08,852 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 04:04:08,852 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 04:04:08,852 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 04:04:08,853 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 04:04:08,853 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 04:04:08,853 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 04:04:08,872 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2019-11-07 04:04:08,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-07 04:04:08,877 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:04:08,877 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:04:08,879 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:04:08,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:04:08,883 INFO L82 PathProgramCache]: Analyzing trace with hash -833151779, now seen corresponding path program 1 times [2019-11-07 04:04:08,892 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:04:08,892 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476646055] [2019-11-07 04:04:08,892 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:04:08,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:04:09,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:04:09,124 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476646055] [2019-11-07 04:04:09,125 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:04:09,126 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-07 04:04:09,128 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475372516] [2019-11-07 04:04:09,134 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-07 04:04:09,134 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:04:09,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-07 04:04:09,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-07 04:04:09,157 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 5 states. [2019-11-07 04:04:09,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:04:09,245 INFO L93 Difference]: Finished difference Result 23 states and 23 transitions. [2019-11-07 04:04:09,247 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-07 04:04:09,249 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2019-11-07 04:04:09,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:04:09,258 INFO L225 Difference]: With dead ends: 23 [2019-11-07 04:04:09,259 INFO L226 Difference]: Without dead ends: 0 [2019-11-07 04:04:09,264 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-07 04:04:09,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-07 04:04:09,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-07 04:04:09,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-07 04:04:09,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-07 04:04:09,294 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2019-11-07 04:04:09,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:04:09,294 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-07 04:04:09,295 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-07 04:04:09,295 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-07 04:04:09,296 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-07 04:04:09,300 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-07 04:04:09,335 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2019-11-07 04:04:09,335 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-11-07 04:04:09,336 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-07 04:04:09,336 INFO L446 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2019-11-07 04:04:09,336 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-07 04:04:09,336 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-07 04:04:09,336 INFO L443 ceAbstractionStarter]: For program point L27(line 27) no Hoare annotation was computed. [2019-11-07 04:04:09,337 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 12 29) no Hoare annotation was computed. [2019-11-07 04:04:09,337 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 12 29) the Hoare annotation is: true [2019-11-07 04:04:09,337 INFO L446 ceAbstractionStarter]: At program point L18-2(lines 18 25) the Hoare annotation is: true [2019-11-07 04:04:09,337 INFO L439 ceAbstractionStarter]: At program point L18-3(lines 18 25) the Hoare annotation is: (or (= (* 4294967296 (div main_~x3~0 4294967296)) main_~x3~0) (= (* 4294967296 (div main_~x2~0 4294967296)) main_~x2~0) (= main_~x1~0 (* 4294967296 (div main_~x1~0 4294967296)))) [2019-11-07 04:04:09,338 INFO L446 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 3 8) the Hoare annotation is: true [2019-11-07 04:04:09,338 INFO L443 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2019-11-07 04:04:09,338 INFO L443 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 3 8) no Hoare annotation was computed. [2019-11-07 04:04:09,339 INFO L443 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2019-11-07 04:04:09,339 INFO L443 ceAbstractionStarter]: For program point L4(lines 4 6) no Hoare annotation was computed. [2019-11-07 04:04:09,339 INFO L443 ceAbstractionStarter]: For program point L4-2(lines 3 8) no Hoare annotation was computed. [2019-11-07 04:04:09,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 04:04:09 BoogieIcfgContainer [2019-11-07 04:04:09,347 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-07 04:04:09,349 INFO L168 Benchmark]: Toolchain (without parser) took 1439.79 ms. Allocated memory was 145.8 MB in the beginning and 202.9 MB in the end (delta: 57.1 MB). Free memory was 102.3 MB in the beginning and 136.2 MB in the end (delta: -33.9 MB). Peak memory consumption was 23.2 MB. Max. memory is 7.1 GB. [2019-11-07 04:04:09,351 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 145.8 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-07 04:04:09,352 INFO L168 Benchmark]: CACSL2BoogieTranslator took 361.59 ms. Allocated memory is still 145.8 MB. Free memory was 102.1 MB in the beginning and 92.6 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-11-07 04:04:09,353 INFO L168 Benchmark]: Boogie Preprocessor took 123.52 ms. Allocated memory was 145.8 MB in the beginning and 202.9 MB in the end (delta: 57.1 MB). Free memory was 92.6 MB in the beginning and 181.2 MB in the end (delta: -88.6 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2019-11-07 04:04:09,354 INFO L168 Benchmark]: RCFGBuilder took 379.27 ms. Allocated memory is still 202.9 MB. Free memory was 181.2 MB in the beginning and 164.1 MB in the end (delta: 17.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 7.1 GB. [2019-11-07 04:04:09,355 INFO L168 Benchmark]: TraceAbstraction took 564.83 ms. Allocated memory is still 202.9 MB. Free memory was 164.1 MB in the beginning and 136.2 MB in the end (delta: 27.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 7.1 GB. [2019-11-07 04:04:09,359 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 145.8 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 361.59 ms. Allocated memory is still 145.8 MB. Free memory was 102.1 MB in the beginning and 92.6 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 123.52 ms. Allocated memory was 145.8 MB in the beginning and 202.9 MB in the end (delta: 57.1 MB). Free memory was 92.6 MB in the beginning and 181.2 MB in the end (delta: -88.6 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 379.27 ms. Allocated memory is still 202.9 MB. Free memory was 181.2 MB in the beginning and 164.1 MB in the end (delta: 17.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 564.83 ms. Allocated memory is still 202.9 MB. Free memory was 164.1 MB in the beginning and 136.2 MB in the end (delta: 27.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5]: 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: 18]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 17 locations, 1 error locations. Result: SAFE, OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 12 SDtfs, 6 SDslu, 29 SDs, 0 SdLazy, 9 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred 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, 7 LocationsWithAnnotation, 7 PreInvPairs, 7 NumberOfFragments, 28 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 324 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...