/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/bitvector-regression/implicitunsignedconversion-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 10:56:12,795 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 10:56:12,797 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 10:56:12,808 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 10:56:12,808 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 10:56:12,809 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 10:56:12,811 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 10:56:12,812 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 10:56:12,814 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 10:56:12,815 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 10:56:12,816 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 10:56:12,817 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 10:56:12,817 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 10:56:12,818 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 10:56:12,819 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 10:56:12,820 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 10:56:12,821 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 10:56:12,822 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 10:56:12,824 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 10:56:12,826 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 10:56:12,827 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 10:56:12,828 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 10:56:12,830 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 10:56:12,830 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 10:56:12,833 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-07 10:56:12,836 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-07 10:56:12,837 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-07 10:56:12,838 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-07 10:56:12,839 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-07 10:56:12,840 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-07 10:56:12,840 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-07 10:56:12,840 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-07 10:56:12,841 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-07 10:56:12,841 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 10:56:12,842 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 10:56:12,842 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 10:56:12,843 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 [2020-07-07 10:56:12,861 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 10:56:12,862 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 10:56:12,863 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-07 10:56:12,863 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-07 10:56:12,863 INFO L138 SettingsManager]: * Use SBE=true [2020-07-07 10:56:12,863 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 10:56:12,864 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 10:56:12,864 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 10:56:12,864 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 10:56:12,864 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 10:56:12,864 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 10:56:12,865 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 10:56:12,865 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 10:56:12,865 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 10:56:12,865 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 10:56:12,865 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 10:56:12,865 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 10:56:12,866 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 10:56:12,866 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-07 10:56:12,866 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 10:56:12,866 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 10:56:12,866 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 10:56:12,867 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 10:56:12,867 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-07 10:56:12,867 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-07 10:56:12,867 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-07 10:56:12,868 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-07 10:56:12,868 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 10:56:12,868 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-07 10:56:12,868 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-07 10:56:13,168 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 10:56:13,184 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 10:56:13,187 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 10:56:13,189 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 10:56:13,189 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 10:56:13,190 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/bitvector-regression/implicitunsignedconversion-2.c [2020-07-07 10:56:13,260 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d200cf7a3/d724ef7d781f46aa9a66e2e1be43eb9d/FLAG1ce98ebc8 [2020-07-07 10:56:13,683 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 10:56:13,684 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/bitvector-regression/implicitunsignedconversion-2.c [2020-07-07 10:56:13,690 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d200cf7a3/d724ef7d781f46aa9a66e2e1be43eb9d/FLAG1ce98ebc8 [2020-07-07 10:56:14,087 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d200cf7a3/d724ef7d781f46aa9a66e2e1be43eb9d [2020-07-07 10:56:14,098 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 10:56:14,101 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 10:56:14,104 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 10:56:14,104 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 10:56:14,107 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 10:56:14,108 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:56:14" (1/1) ... [2020-07-07 10:56:14,111 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7718f3ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:56:14, skipping insertion in model container [2020-07-07 10:56:14,111 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:56:14" (1/1) ... [2020-07-07 10:56:14,119 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 10:56:14,132 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 10:56:14,276 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:56:14,281 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 10:56:14,292 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:56:14,303 INFO L208 MainTranslator]: Completed translation [2020-07-07 10:56:14,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:56:14 WrapperNode [2020-07-07 10:56:14,304 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 10:56:14,304 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 10:56:14,305 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 10:56:14,305 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 10:56:14,317 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:56:14" (1/1) ... [2020-07-07 10:56:14,317 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:56:14" (1/1) ... [2020-07-07 10:56:14,322 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:56:14" (1/1) ... [2020-07-07 10:56:14,322 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:56:14" (1/1) ... [2020-07-07 10:56:14,327 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:56:14" (1/1) ... [2020-07-07 10:56:14,333 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:56:14" (1/1) ... [2020-07-07 10:56:14,334 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:56:14" (1/1) ... [2020-07-07 10:56:14,335 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 10:56:14,335 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 10:56:14,336 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 10:56:14,336 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 10:56:14,337 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:56:14" (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 [2020-07-07 10:56:14,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 10:56:14,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 10:56:14,485 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 10:56:14,485 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 10:56:14,485 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 10:56:14,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 10:56:14,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 10:56:14,629 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 10:56:14,629 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-07 10:56:14,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:56:14 BoogieIcfgContainer [2020-07-07 10:56:14,632 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 10:56:14,638 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 10:56:14,639 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 10:56:14,642 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 10:56:14,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 10:56:14" (1/3) ... [2020-07-07 10:56:14,643 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9f6fc80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:56:14, skipping insertion in model container [2020-07-07 10:56:14,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:56:14" (2/3) ... [2020-07-07 10:56:14,643 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9f6fc80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:56:14, skipping insertion in model container [2020-07-07 10:56:14,644 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:56:14" (3/3) ... [2020-07-07 10:56:14,645 INFO L109 eAbstractionObserver]: Analyzing ICFG implicitunsignedconversion-2.c [2020-07-07 10:56:14,656 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-07 10:56:14,665 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 10:56:14,679 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 10:56:14,708 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 10:56:14,708 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 10:56:14,709 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-07 10:56:14,709 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 10:56:14,709 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 10:56:14,710 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 10:56:14,710 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 10:56:14,711 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 10:56:14,733 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2020-07-07 10:56:14,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-07-07 10:56:14,742 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:56:14,743 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:56:14,744 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:56:14,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:56:14,750 INFO L82 PathProgramCache]: Analyzing trace with hash 408836530, now seen corresponding path program 1 times [2020-07-07 10:56:14,760 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:56:14,761 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269499901] [2020-07-07 10:56:14,761 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:56:14,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:56:14,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:56:14,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:56:14,982 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269499901] [2020-07-07 10:56:14,983 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:56:14,983 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-07 10:56:14,984 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919269180] [2020-07-07 10:56:14,989 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-07 10:56:14,989 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:56:15,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-07 10:56:15,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-07 10:56:15,008 INFO L87 Difference]: Start difference. First operand 12 states. Second operand 3 states. [2020-07-07 10:56:15,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:56:15,033 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2020-07-07 10:56:15,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-07 10:56:15,036 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-07-07 10:56:15,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:56:15,043 INFO L225 Difference]: With dead ends: 16 [2020-07-07 10:56:15,043 INFO L226 Difference]: Without dead ends: 0 [2020-07-07 10:56:15,047 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-07 10:56:15,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-07 10:56:15,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-07 10:56:15,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-07 10:56:15,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-07 10:56:15,079 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 7 [2020-07-07 10:56:15,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:56:15,080 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-07 10:56:15,080 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-07 10:56:15,080 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-07 10:56:15,081 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-07 10:56:15,081 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 10:56:15,084 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-07 10:56:15,109 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-07-07 10:56:15,109 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:56:15,110 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:56:15,110 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-07-07 10:56:15,110 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-07 10:56:15,110 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:56:15,110 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-07-07 10:56:15,111 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 3 14) the Hoare annotation is: true [2020-07-07 10:56:15,111 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 3 14) no Hoare annotation was computed. [2020-07-07 10:56:15,111 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 3 14) no Hoare annotation was computed. [2020-07-07 10:56:15,111 INFO L264 CegarLoopResult]: At program point L8(lines 3 14) the Hoare annotation is: false [2020-07-07 10:56:15,111 INFO L268 CegarLoopResult]: For program point L7(lines 7 9) no Hoare annotation was computed. [2020-07-07 10:56:15,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.07 10:56:15 BoogieIcfgContainer [2020-07-07 10:56:15,128 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-07 10:56:15,135 INFO L168 Benchmark]: Toolchain (without parser) took 1030.29 ms. Allocated memory was 145.2 MB in the beginning and 202.9 MB in the end (delta: 57.7 MB). Free memory was 103.1 MB in the beginning and 147.1 MB in the end (delta: -44.0 MB). Peak memory consumption was 13.7 MB. Max. memory is 7.1 GB. [2020-07-07 10:56:15,136 INFO L168 Benchmark]: CDTParser took 0.50 ms. Allocated memory is still 145.2 MB. Free memory is still 121.2 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-07 10:56:15,140 INFO L168 Benchmark]: CACSL2BoogieTranslator took 200.52 ms. Allocated memory is still 145.2 MB. Free memory was 102.7 MB in the beginning and 93.7 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. [2020-07-07 10:56:15,141 INFO L168 Benchmark]: Boogie Preprocessor took 30.65 ms. Allocated memory is still 145.2 MB. Free memory was 93.7 MB in the beginning and 92.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2020-07-07 10:56:15,148 INFO L168 Benchmark]: RCFGBuilder took 296.98 ms. Allocated memory was 145.2 MB in the beginning and 202.9 MB in the end (delta: 57.7 MB). Free memory was 92.4 MB in the beginning and 172.8 MB in the end (delta: -80.4 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2020-07-07 10:56:15,150 INFO L168 Benchmark]: TraceAbstraction took 489.96 ms. Allocated memory is still 202.9 MB. Free memory was 171.8 MB in the beginning and 147.1 MB in the end (delta: 24.7 MB). Peak memory consumption was 24.7 MB. Max. memory is 7.1 GB. [2020-07-07 10:56:15,161 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50 ms. Allocated memory is still 145.2 MB. Free memory is still 121.2 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 200.52 ms. Allocated memory is still 145.2 MB. Free memory was 102.7 MB in the beginning and 93.7 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 30.65 ms. Allocated memory is still 145.2 MB. Free memory was 93.7 MB in the beginning and 92.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 296.98 ms. Allocated memory was 145.2 MB in the beginning and 202.9 MB in the end (delta: 57.7 MB). Free memory was 92.4 MB in the beginning and 172.8 MB in the end (delta: -80.4 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 489.96 ms. Allocated memory is still 202.9 MB. Free memory was 171.8 MB in the beginning and 147.1 MB in the end (delta: 24.7 MB). Peak memory consumption was 24.7 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 - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 12 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 8 SDtfs, 2 SDslu, 6 SDs, 0 SdLazy, 1 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred 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, 5 LocationsWithAnnotation, 5 PreInvPairs, 5 NumberOfFragments, 5 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 108 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, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...