/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 -i ../../../trunk/examples/svcomp/loops/sum03-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-06 21:25:10,850 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 21:25:10,852 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 21:25:10,864 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-06 21:25:10,864 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-06 21:25:10,865 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-06 21:25:10,867 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-06 21:25:10,869 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-06 21:25:10,870 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-06 21:25:10,871 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-06 21:25:10,872 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-06 21:25:10,873 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-06 21:25:10,874 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-06 21:25:10,875 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-06 21:25:10,875 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-06 21:25:10,877 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-06 21:25:10,877 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-06 21:25:10,878 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-06 21:25:10,880 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-06 21:25:10,882 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-06 21:25:10,883 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-06 21:25:10,885 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-06 21:25:10,886 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-06 21:25:10,887 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-06 21:25:10,889 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-06 21:25:10,892 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-06 21:25:10,892 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-06 21:25:10,893 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-06 21:25:10,894 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-06 21:25:10,895 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-06 21:25:10,895 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-06 21:25:10,896 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-06 21:25:10,896 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-06 21:25:10,896 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 21:25:10,897 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 21:25:10,898 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 21:25:10,899 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 [2019-11-06 21:25:10,913 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 21:25:10,913 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 21:25:10,914 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 21:25:10,915 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 21:25:10,915 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 21:25:10,915 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 21:25:10,915 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 21:25:10,915 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 21:25:10,916 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 21:25:10,916 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 21:25:10,916 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 21:25:10,916 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 21:25:10,916 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 21:25:10,917 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 21:25:10,917 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 21:25:10,917 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 21:25:10,917 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 21:25:10,917 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 21:25:10,918 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 21:25:10,918 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 21:25:10,918 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 21:25:10,918 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 21:25:10,918 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 21:25:10,919 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 21:25:10,919 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 21:25:10,919 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 21:25:10,919 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 21:25:10,919 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 21:25:10,919 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-06 21:25:11,209 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 21:25:11,228 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 21:25:11,231 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 21:25:11,232 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 21:25:11,232 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 21:25:11,233 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/sum03-2.i [2019-11-06 21:25:11,306 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/062547231/93466b7f320143cebaa7c60fd10371e9/FLAG7582ee5b7 [2019-11-06 21:25:11,701 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 21:25:11,702 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/sum03-2.i [2019-11-06 21:25:11,708 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/062547231/93466b7f320143cebaa7c60fd10371e9/FLAG7582ee5b7 [2019-11-06 21:25:12,130 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/062547231/93466b7f320143cebaa7c60fd10371e9 [2019-11-06 21:25:12,140 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 21:25:12,142 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 21:25:12,147 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 21:25:12,147 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 21:25:12,151 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 21:25:12,152 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:25:12" (1/1) ... [2019-11-06 21:25:12,155 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e5d51b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:25:12, skipping insertion in model container [2019-11-06 21:25:12,155 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:25:12" (1/1) ... [2019-11-06 21:25:12,162 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 21:25:12,177 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 21:25:12,338 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:25:12,342 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 21:25:12,358 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:25:12,372 INFO L192 MainTranslator]: Completed translation [2019-11-06 21:25:12,372 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:25:12 WrapperNode [2019-11-06 21:25:12,374 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 21:25:12,375 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 21:25:12,375 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 21:25:12,375 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 21:25:12,458 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:25:12" (1/1) ... [2019-11-06 21:25:12,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:25:12" (1/1) ... [2019-11-06 21:25:12,465 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:25:12" (1/1) ... [2019-11-06 21:25:12,467 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:25:12" (1/1) ... [2019-11-06 21:25:12,472 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:25:12" (1/1) ... [2019-11-06 21:25:12,477 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:25:12" (1/1) ... [2019-11-06 21:25:12,478 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:25:12" (1/1) ... [2019-11-06 21:25:12,480 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 21:25:12,480 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 21:25:12,480 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 21:25:12,481 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 21:25:12,481 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:25:12" (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 [2019-11-06 21:25:12,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 21:25:12,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 21:25:12,542 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-11-06 21:25:12,542 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 21:25:12,542 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 21:25:12,542 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-11-06 21:25:12,542 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-11-06 21:25:12,542 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 21:25:12,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 21:25:12,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 21:25:12,700 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 21:25:12,701 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-06 21:25:12,702 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:25:12 BoogieIcfgContainer [2019-11-06 21:25:12,702 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 21:25:12,703 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 21:25:12,703 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 21:25:12,706 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 21:25:12,706 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:25:12" (1/3) ... [2019-11-06 21:25:12,707 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f22693c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:25:12, skipping insertion in model container [2019-11-06 21:25:12,708 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:25:12" (2/3) ... [2019-11-06 21:25:12,708 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f22693c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:25:12, skipping insertion in model container [2019-11-06 21:25:12,708 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:25:12" (3/3) ... [2019-11-06 21:25:12,710 INFO L109 eAbstractionObserver]: Analyzing ICFG sum03-2.i [2019-11-06 21:25:12,720 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 21:25:12,728 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 21:25:12,739 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 21:25:12,763 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 21:25:12,763 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 21:25:12,763 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 21:25:12,763 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 21:25:12,764 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 21:25:12,764 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 21:25:12,764 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 21:25:12,764 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 21:25:12,780 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2019-11-06 21:25:12,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-06 21:25:12,785 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:25:12,786 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 21:25:12,788 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:25:12,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:25:12,794 INFO L82 PathProgramCache]: Analyzing trace with hash 1847991872, now seen corresponding path program 1 times [2019-11-06 21:25:12,803 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:25:12,804 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870064837] [2019-11-06 21:25:12,804 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:25:12,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:25:13,220 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 19 [2019-11-06 21:25:13,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:25:13,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 21:25:13,250 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870064837] [2019-11-06 21:25:13,251 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:25:13,252 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-06 21:25:13,253 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784474373] [2019-11-06 21:25:13,258 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-06 21:25:13,259 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:25:13,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-06 21:25:13,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-06 21:25:13,277 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 6 states. [2019-11-06 21:25:13,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 21:25:13,376 INFO L93 Difference]: Finished difference Result 23 states and 29 transitions. [2019-11-06 21:25:13,377 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-06 21:25:13,379 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10 [2019-11-06 21:25:13,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 21:25:13,389 INFO L225 Difference]: With dead ends: 23 [2019-11-06 21:25:13,389 INFO L226 Difference]: Without dead ends: 0 [2019-11-06 21:25:13,397 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-11-06 21:25:13,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-06 21:25:13,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-06 21:25:13,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-06 21:25:13,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-06 21:25:13,436 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2019-11-06 21:25:13,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 21:25:13,437 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-06 21:25:13,437 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-06 21:25:13,438 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-06 21:25:13,439 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-06 21:25:13,444 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-06 21:25:13,513 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2019-11-06 21:25:13,513 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-11-06 21:25:13,513 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-06 21:25:13,513 INFO L446 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2019-11-06 21:25:13,514 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-06 21:25:13,514 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-06 21:25:13,514 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 9 18) the Hoare annotation is: true [2019-11-06 21:25:13,514 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 9 18) no Hoare annotation was computed. [2019-11-06 21:25:13,515 INFO L439 ceAbstractionStarter]: At program point L16(line 16) the Hoare annotation is: (let ((.cse0 (* 2 main_~x~0))) (and (<= .cse0 main_~sn~0) (<= main_~sn~0 .cse0))) [2019-11-06 21:25:13,518 INFO L439 ceAbstractionStarter]: At program point L16-1(lines 13 17) the Hoare annotation is: (let ((.cse0 (* 2 main_~x~0))) (and (<= .cse0 main_~sn~0) (<= main_~sn~0 .cse0))) [2019-11-06 21:25:13,518 INFO L443 ceAbstractionStarter]: For program point L13-2(lines 9 18) no Hoare annotation was computed. [2019-11-06 21:25:13,519 INFO L443 ceAbstractionStarter]: For program point L3-2(lines 2 7) no Hoare annotation was computed. [2019-11-06 21:25:13,519 INFO L446 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 2 7) the Hoare annotation is: true [2019-11-06 21:25:13,519 INFO L443 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 2 7) no Hoare annotation was computed. [2019-11-06 21:25:13,519 INFO L443 ceAbstractionStarter]: For program point L4(line 4) no Hoare annotation was computed. [2019-11-06 21:25:13,519 INFO L443 ceAbstractionStarter]: For program point L3(lines 3 5) no Hoare annotation was computed. [2019-11-06 21:25:13,520 INFO L443 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2019-11-06 21:25:13,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 09:25:13 BoogieIcfgContainer [2019-11-06 21:25:13,539 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-06 21:25:13,542 INFO L168 Benchmark]: Toolchain (without parser) took 1399.60 ms. Allocated memory was 137.9 MB in the beginning and 200.3 MB in the end (delta: 62.4 MB). Free memory was 102.6 MB in the beginning and 131.4 MB in the end (delta: -28.7 MB). Peak memory consumption was 33.6 MB. Max. memory is 7.1 GB. [2019-11-06 21:25:13,544 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 137.9 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-06 21:25:13,546 INFO L168 Benchmark]: CACSL2BoogieTranslator took 227.09 ms. Allocated memory is still 137.9 MB. Free memory was 102.2 MB in the beginning and 93.1 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2019-11-06 21:25:13,549 INFO L168 Benchmark]: Boogie Preprocessor took 105.28 ms. Allocated memory was 137.9 MB in the beginning and 200.3 MB in the end (delta: 62.4 MB). Free memory was 93.1 MB in the beginning and 179.0 MB in the end (delta: -85.9 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. [2019-11-06 21:25:13,549 INFO L168 Benchmark]: RCFGBuilder took 222.01 ms. Allocated memory is still 200.3 MB. Free memory was 179.0 MB in the beginning and 168.0 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. [2019-11-06 21:25:13,551 INFO L168 Benchmark]: TraceAbstraction took 836.40 ms. Allocated memory is still 200.3 MB. Free memory was 167.4 MB in the beginning and 131.4 MB in the end (delta: 36.0 MB). Peak memory consumption was 36.0 MB. Max. memory is 7.1 GB. [2019-11-06 21:25:13,562 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 137.9 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 227.09 ms. Allocated memory is still 137.9 MB. Free memory was 102.2 MB in the beginning and 93.1 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 105.28 ms. Allocated memory was 137.9 MB in the beginning and 200.3 MB in the end (delta: 62.4 MB). Free memory was 93.1 MB in the beginning and 179.0 MB in the end (delta: -85.9 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 222.01 ms. Allocated memory is still 200.3 MB. Free memory was 179.0 MB in the beginning and 168.0 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 836.40 ms. Allocated memory is still 200.3 MB. Free memory was 167.4 MB in the beginning and 131.4 MB in the end (delta: 36.0 MB). Peak memory consumption was 36.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: 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: 13]: Loop Invariant Derived loop invariant: 2 * x <= sn && sn <= 2 * x - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 17 locations, 1 error locations. Result: SAFE, OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 7 SDtfs, 5 SDslu, 23 SDs, 0 SdLazy, 12 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s 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, 8 PreInvPairs, 10 NumberOfFragments, 27 HoareAnnotationTreeSize, 8 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 621 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...