/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/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/bitvector-regression/implicitunsignedconversion-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-3af5e1f [2020-09-04 16:11:52,711 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-04 16:11:52,715 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-04 16:11:52,758 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-04 16:11:52,758 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-04 16:11:52,769 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-04 16:11:52,771 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-04 16:11:52,775 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-04 16:11:52,778 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-04 16:11:52,781 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-04 16:11:52,782 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-04 16:11:52,785 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-04 16:11:52,785 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-04 16:11:52,788 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-04 16:11:52,790 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-04 16:11:52,792 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-04 16:11:52,794 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-04 16:11:52,795 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-04 16:11:52,797 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-04 16:11:52,806 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-04 16:11:52,809 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-04 16:11:52,810 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-04 16:11:52,811 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-04 16:11:52,812 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-04 16:11:52,814 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-09-04 16:11:52,823 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-04 16:11:52,824 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-04 16:11:52,824 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-04 16:11:52,825 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-09-04 16:11:52,837 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-04 16:11:52,838 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-04 16:11:52,839 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-04 16:11:52,839 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-04 16:11:52,839 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-04 16:11:52,840 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-04 16:11:52,840 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-04 16:11:52,840 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-04 16:11:52,840 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-04 16:11:52,840 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-04 16:11:52,841 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-04 16:11:52,841 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-04 16:11:52,841 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-04 16:11:52,841 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-04 16:11:52,841 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-04 16:11:52,842 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-09-04 16:11:52,842 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-04 16:11:52,842 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-04 16:11:52,842 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 16:11:52,843 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-04 16:11:52,843 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-09-04 16:11:52,843 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-04 16:11:52,843 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-09-04 16:11:53,257 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-04 16:11:53,276 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-04 16:11:53,280 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-04 16:11:53,282 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-04 16:11:53,282 INFO L275 PluginConnector]: CDTParser initialized [2020-09-04 16:11:53,284 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/bitvector-regression/implicitunsignedconversion-2.c [2020-09-04 16:11:53,369 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7746c31b4/8ffdb4ef515e4666abbb6870f02ec01e/FLAGc9879a454 [2020-09-04 16:11:53,875 INFO L306 CDTParser]: Found 1 translation units. [2020-09-04 16:11:53,875 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/bitvector-regression/implicitunsignedconversion-2.c [2020-09-04 16:11:53,882 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7746c31b4/8ffdb4ef515e4666abbb6870f02ec01e/FLAGc9879a454 [2020-09-04 16:11:54,244 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7746c31b4/8ffdb4ef515e4666abbb6870f02ec01e [2020-09-04 16:11:54,256 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-04 16:11:54,258 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-04 16:11:54,259 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-04 16:11:54,260 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-04 16:11:54,264 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-04 16:11:54,265 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 04:11:54" (1/1) ... [2020-09-04 16:11:54,269 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74a37269 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:11:54, skipping insertion in model container [2020-09-04 16:11:54,269 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 04:11:54" (1/1) ... [2020-09-04 16:11:54,278 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-04 16:11:54,300 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-04 16:11:54,515 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 16:11:54,521 INFO L203 MainTranslator]: Completed pre-run [2020-09-04 16:11:54,536 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 16:11:54,550 INFO L208 MainTranslator]: Completed translation [2020-09-04 16:11:54,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:11:54 WrapperNode [2020-09-04 16:11:54,551 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-04 16:11:54,552 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-04 16:11:54,552 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-04 16:11:54,552 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-04 16:11:54,569 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:11:54" (1/1) ... [2020-09-04 16:11:54,569 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:11:54" (1/1) ... [2020-09-04 16:11:54,574 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:11:54" (1/1) ... [2020-09-04 16:11:54,575 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:11:54" (1/1) ... [2020-09-04 16:11:54,577 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:11:54" (1/1) ... [2020-09-04 16:11:54,580 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:11:54" (1/1) ... [2020-09-04 16:11:54,580 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:11:54" (1/1) ... [2020-09-04 16:11:54,582 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-04 16:11:54,582 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-04 16:11:54,582 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-04 16:11:54,582 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-04 16:11:54,583 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:11:54" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-04 16:11:54,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-04 16:11:54,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-04 16:11:54,732 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-04 16:11:54,733 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-04 16:11:54,733 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-04 16:11:54,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-04 16:11:54,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-04 16:11:54,899 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-04 16:11:54,900 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-04 16:11:54,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 04:11:54 BoogieIcfgContainer [2020-09-04 16:11:54,904 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-04 16:11:54,906 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-04 16:11:54,906 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-04 16:11:54,909 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-04 16:11:54,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 04:11:54" (1/3) ... [2020-09-04 16:11:54,910 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c56bf0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 04:11:54, skipping insertion in model container [2020-09-04 16:11:54,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:11:54" (2/3) ... [2020-09-04 16:11:54,911 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c56bf0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 04:11:54, skipping insertion in model container [2020-09-04 16:11:54,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 04:11:54" (3/3) ... [2020-09-04 16:11:54,914 INFO L109 eAbstractionObserver]: Analyzing ICFG implicitunsignedconversion-2.c [2020-09-04 16:11:54,925 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-04 16:11:54,933 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-04 16:11:54,953 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-04 16:11:54,981 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-04 16:11:54,982 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-04 16:11:54,982 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-09-04 16:11:54,982 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-04 16:11:54,983 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-04 16:11:54,983 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-04 16:11:54,983 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-04 16:11:54,983 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-04 16:11:55,000 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states. [2020-09-04 16:11:55,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-09-04 16:11:55,012 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 16:11:55,013 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 16:11:55,013 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 16:11:55,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 16:11:55,021 INFO L82 PathProgramCache]: Analyzing trace with hash 811150295, now seen corresponding path program 1 times [2020-09-04 16:11:55,033 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 16:11:55,034 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1288977785] [2020-09-04 16:11:55,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 16:11:55,100 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 16:11:55,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:11:55,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:11:55,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:11:55,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 16:11:55,345 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1288977785] [2020-09-04 16:11:55,348 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 16:11:55,348 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-04 16:11:55,349 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120643502] [2020-09-04 16:11:55,355 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-04 16:11:55,356 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 16:11:55,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-04 16:11:55,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-04 16:11:55,383 INFO L87 Difference]: Start difference. First operand 15 states. Second operand 4 states. [2020-09-04 16:11:55,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 16:11:55,451 INFO L93 Difference]: Finished difference Result 19 states and 18 transitions. [2020-09-04 16:11:55,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-04 16:11:55,453 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2020-09-04 16:11:55,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 16:11:55,463 INFO L225 Difference]: With dead ends: 19 [2020-09-04 16:11:55,463 INFO L226 Difference]: Without dead ends: 0 [2020-09-04 16:11:55,468 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-04 16:11:55,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-04 16:11:55,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-04 16:11:55,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-04 16:11:55,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-04 16:11:55,502 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 8 [2020-09-04 16:11:55,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 16:11:55,502 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-04 16:11:55,502 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-04 16:11:55,503 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-04 16:11:55,503 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-04 16:11:55,503 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-04 16:11:55,506 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-04 16:11:55,693 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-09-04 16:11:55,694 INFO L271 CegarLoopResult]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2020-09-04 16:11:55,694 INFO L271 CegarLoopResult]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2020-09-04 16:11:55,696 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-09-04 16:11:55,697 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-04 16:11:55,697 INFO L271 CegarLoopResult]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2020-09-04 16:11:55,697 INFO L264 CegarLoopResult]: At program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) the Hoare annotation is: false [2020-09-04 16:11:55,697 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 3 14) the Hoare annotation is: true [2020-09-04 16:11:55,699 INFO L264 CegarLoopResult]: At program point L13(line 13) the Hoare annotation is: false [2020-09-04 16:11:55,699 INFO L264 CegarLoopResult]: At program point mainFINAL(lines 3 14) the Hoare annotation is: (and (<= main_~plus_one~0 1) (<= 1 main_~plus_one~0) (< (div main_~minus_one~0 4294967296) (div main_~plus_one~0 4294967296)) (<= main_~plus_one~0 (+ main_~minus_one~0 2))) [2020-09-04 16:11:55,699 INFO L264 CegarLoopResult]: At program point L11(line 11) the Hoare annotation is: (and (<= main_~plus_one~0 1) (<= 1 main_~plus_one~0) (< (div main_~minus_one~0 4294967296) (div main_~plus_one~0 4294967296)) (<= main_~plus_one~0 (+ main_~minus_one~0 2))) [2020-09-04 16:11:55,700 INFO L264 CegarLoopResult]: At program point mainEXIT(lines 3 14) the Hoare annotation is: (and (<= main_~plus_one~0 1) (<= 1 main_~plus_one~0) (< (div main_~minus_one~0 4294967296) (div main_~plus_one~0 4294967296)) (<= main_~plus_one~0 (+ main_~minus_one~0 2))) [2020-09-04 16:11:55,700 INFO L264 CegarLoopResult]: At program point L8(lines 3 14) the Hoare annotation is: false [2020-09-04 16:11:55,701 INFO L264 CegarLoopResult]: At program point L7(lines 7 9) the Hoare annotation is: (and (<= main_~plus_one~0 1) (<= 1 main_~plus_one~0) (< (div main_~minus_one~0 4294967296) (div main_~plus_one~0 4294967296)) (<= main_~plus_one~0 (+ main_~minus_one~0 2))) [2020-09-04 16:11:55,702 INFO L264 CegarLoopResult]: At program point L5(line 5) the Hoare annotation is: (and (<= main_~plus_one~0 1) (<= 1 main_~plus_one~0)) [2020-09-04 16:11:55,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.09 04:11:55 BoogieIcfgContainer [2020-09-04 16:11:55,729 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-04 16:11:55,735 INFO L168 Benchmark]: Toolchain (without parser) took 1473.46 ms. Allocated memory was 140.5 MB in the beginning and 204.5 MB in the end (delta: 64.0 MB). Free memory was 103.7 MB in the beginning and 137.7 MB in the end (delta: -33.9 MB). Peak memory consumption was 30.0 MB. Max. memory is 7.1 GB. [2020-09-04 16:11:55,736 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 140.5 MB. Free memory was 121.8 MB in the beginning and 121.4 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. [2020-09-04 16:11:55,739 INFO L168 Benchmark]: CACSL2BoogieTranslator took 292.01 ms. Allocated memory is still 140.5 MB. Free memory was 103.3 MB in the beginning and 94.4 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. [2020-09-04 16:11:55,741 INFO L168 Benchmark]: Boogie Preprocessor took 29.93 ms. Allocated memory is still 140.5 MB. Free memory was 94.4 MB in the beginning and 93.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2020-09-04 16:11:55,742 INFO L168 Benchmark]: RCFGBuilder took 322.40 ms. Allocated memory was 140.5 MB in the beginning and 204.5 MB in the end (delta: 64.0 MB). Free memory was 93.1 MB in the beginning and 174.2 MB in the end (delta: -81.1 MB). Peak memory consumption was 13.5 MB. Max. memory is 7.1 GB. [2020-09-04 16:11:55,744 INFO L168 Benchmark]: TraceAbstraction took 823.78 ms. Allocated memory is still 204.5 MB. Free memory was 174.2 MB in the beginning and 137.7 MB in the end (delta: 36.6 MB). Peak memory consumption was 36.6 MB. Max. memory is 7.1 GB. [2020-09-04 16:11:55,755 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 140.5 MB. Free memory was 121.8 MB in the beginning and 121.4 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 292.01 ms. Allocated memory is still 140.5 MB. Free memory was 103.3 MB in the beginning and 94.4 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 29.93 ms. Allocated memory is still 140.5 MB. Free memory was 94.4 MB in the beginning and 93.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 322.40 ms. Allocated memory was 140.5 MB in the beginning and 204.5 MB in the end (delta: 64.0 MB). Free memory was 93.1 MB in the beginning and 174.2 MB in the end (delta: -81.1 MB). Peak memory consumption was 13.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 823.78 ms. Allocated memory is still 204.5 MB. Free memory was 174.2 MB in the beginning and 137.7 MB in the end (delta: 36.6 MB). Peak memory consumption was 36.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: 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: 3]: Loop Invariant Derived loop invariant: 0 - ProcedureContractResult [Line: 3]: Procedure Contract for main Derived contract for procedure main: ((plus_one <= 1 && 1 <= plus_one) && minus_one / 4294967296 < plus_one / 4294967296) && plus_one <= minus_one + 2 - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 15 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 10 SDtfs, 7 SDslu, 12 SDs, 0 SdLazy, 2 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred 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, 15 LocationsWithAnnotation, 15 PreInvPairs, 19 NumberOfFragments, 93 HoareAnnotationTreeSize, 15 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 15 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: No data available, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...