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/array-examples/sanfoundry_24-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 17:43:29,365 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 17:43:29,368 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 17:43:29,388 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 17:43:29,388 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 17:43:29,391 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 17:43:29,393 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 17:43:29,402 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 17:43:29,406 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 17:43:29,409 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 17:43:29,411 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 17:43:29,413 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 17:43:29,413 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 17:43:29,416 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 17:43:29,418 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 17:43:29,420 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 17:43:29,421 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 17:43:29,422 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 17:43:29,423 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 17:43:29,428 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 17:43:29,432 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 17:43:29,435 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 17:43:29,438 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 17:43:29,439 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 17:43:29,441 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 17:43:29,441 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 17:43:29,441 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 17:43:29,443 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 17:43:29,444 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 17:43:29,445 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 17:43:29,445 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 17:43:29,446 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 17:43:29,447 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 17:43:29,447 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 17:43:29,449 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 17:43:29,449 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 17:43:29,450 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 17:43:29,450 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 17:43:29,450 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 17:43:29,451 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 17:43:29,452 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 17:43:29,453 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 17:43:29,481 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 17:43:29,481 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 17:43:29,482 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 17:43:29,484 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 17:43:29,485 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 17:43:29,485 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 17:43:29,485 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 17:43:29,485 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 17:43:29,485 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 17:43:29,486 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 17:43:29,486 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 17:43:29,486 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 17:43:29,486 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 17:43:29,487 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 17:43:29,487 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 17:43:29,487 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 17:43:29,487 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 17:43:29,487 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 17:43:29,488 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 17:43:29,488 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 17:43:29,488 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 17:43:29,489 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 17:43:29,489 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 17:43:29,490 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 17:43:29,490 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 17:43:29,490 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 17:43:29,490 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 17:43:29,490 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 17:43:29,491 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-13 17:43:29,788 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 17:43:29,802 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 17:43:29,805 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 17:43:29,807 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 17:43:29,807 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 17:43:29,808 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-examples/sanfoundry_24-1.i [2019-10-13 17:43:29,874 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c170225bc/4e54ef430901495bac263c3cd5a63c65/FLAG544351d0d [2019-10-13 17:43:30,334 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 17:43:30,334 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-examples/sanfoundry_24-1.i [2019-10-13 17:43:30,340 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c170225bc/4e54ef430901495bac263c3cd5a63c65/FLAG544351d0d [2019-10-13 17:43:30,754 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c170225bc/4e54ef430901495bac263c3cd5a63c65 [2019-10-13 17:43:30,766 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 17:43:30,768 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 17:43:30,769 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 17:43:30,769 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 17:43:30,775 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 17:43:30,776 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:43:30" (1/1) ... [2019-10-13 17:43:30,779 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fbb07b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:43:30, skipping insertion in model container [2019-10-13 17:43:30,780 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:43:30" (1/1) ... [2019-10-13 17:43:30,789 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 17:43:30,811 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 17:43:31,007 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 17:43:31,010 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 17:43:31,038 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 17:43:31,146 INFO L192 MainTranslator]: Completed translation [2019-10-13 17:43:31,147 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:43:31 WrapperNode [2019-10-13 17:43:31,147 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 17:43:31,151 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 17:43:31,152 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 17:43:31,152 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 17:43:31,167 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:43:31" (1/1) ... [2019-10-13 17:43:31,168 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:43:31" (1/1) ... [2019-10-13 17:43:31,175 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:43:31" (1/1) ... [2019-10-13 17:43:31,176 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:43:31" (1/1) ... [2019-10-13 17:43:31,183 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:43:31" (1/1) ... [2019-10-13 17:43:31,189 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:43:31" (1/1) ... [2019-10-13 17:43:31,191 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:43:31" (1/1) ... [2019-10-13 17:43:31,195 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 17:43:31,196 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 17:43:31,197 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 17:43:31,198 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 17:43:31,199 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:43:31" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 17:43:31,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 17:43:31,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 17:43:31,264 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-13 17:43:31,264 INFO L138 BoogieDeclarations]: Found implementation of procedure printEven [2019-10-13 17:43:31,265 INFO L138 BoogieDeclarations]: Found implementation of procedure printOdd [2019-10-13 17:43:31,265 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 17:43:31,265 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 17:43:31,265 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 17:43:31,265 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-13 17:43:31,265 INFO L130 BoogieDeclarations]: Found specification of procedure printEven [2019-10-13 17:43:31,266 INFO L130 BoogieDeclarations]: Found specification of procedure printOdd [2019-10-13 17:43:31,266 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 17:43:31,266 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 17:43:31,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 17:43:31,266 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 17:43:31,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 17:43:31,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 17:43:31,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 17:43:31,601 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 17:43:31,601 INFO L284 CfgBuilder]: Removed 3 assume(true) statements. [2019-10-13 17:43:31,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:43:31 BoogieIcfgContainer [2019-10-13 17:43:31,603 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 17:43:31,604 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 17:43:31,604 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 17:43:31,608 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 17:43:31,608 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 05:43:30" (1/3) ... [2019-10-13 17:43:31,609 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58211216 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 05:43:31, skipping insertion in model container [2019-10-13 17:43:31,609 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:43:31" (2/3) ... [2019-10-13 17:43:31,610 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58211216 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 05:43:31, skipping insertion in model container [2019-10-13 17:43:31,610 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:43:31" (3/3) ... [2019-10-13 17:43:31,611 INFO L109 eAbstractionObserver]: Analyzing ICFG sanfoundry_24-1.i [2019-10-13 17:43:31,621 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 17:43:31,628 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 17:43:31,639 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 17:43:31,662 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 17:43:31,662 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 17:43:31,662 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 17:43:31,662 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 17:43:31,662 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 17:43:31,662 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 17:43:31,663 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 17:43:31,663 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 17:43:31,677 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states. [2019-10-13 17:43:31,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-13 17:43:31,683 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:43:31,684 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 17:43:31,685 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:43:31,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:43:31,691 INFO L82 PathProgramCache]: Analyzing trace with hash -762079996, now seen corresponding path program 1 times [2019-10-13 17:43:31,697 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:43:31,698 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082081872] [2019-10-13 17:43:31,698 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:43:31,698 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:43:31,698 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:43:31,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:43:31,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:43:31,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:43:31,954 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082081872] [2019-10-13 17:43:31,955 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 17:43:31,955 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 17:43:31,955 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363537333] [2019-10-13 17:43:31,959 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 17:43:31,960 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:43:31,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 17:43:31,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-13 17:43:31,973 INFO L87 Difference]: Start difference. First operand 39 states. Second operand 6 states. [2019-10-13 17:43:32,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:43:32,285 INFO L93 Difference]: Finished difference Result 89 states and 125 transitions. [2019-10-13 17:43:32,286 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-13 17:43:32,287 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2019-10-13 17:43:32,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:43:32,301 INFO L225 Difference]: With dead ends: 89 [2019-10-13 17:43:32,302 INFO L226 Difference]: Without dead ends: 46 [2019-10-13 17:43:32,313 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-13 17:43:32,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2019-10-13 17:43:32,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 36. [2019-10-13 17:43:32,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2019-10-13 17:43:32,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 41 transitions. [2019-10-13 17:43:32,392 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 41 transitions. Word has length 16 [2019-10-13 17:43:32,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:43:32,393 INFO L462 AbstractCegarLoop]: Abstraction has 36 states and 41 transitions. [2019-10-13 17:43:32,393 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 17:43:32,394 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 41 transitions. [2019-10-13 17:43:32,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-13 17:43:32,397 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:43:32,397 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 17:43:32,398 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:43:32,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:43:32,400 INFO L82 PathProgramCache]: Analyzing trace with hash 204295910, now seen corresponding path program 1 times [2019-10-13 17:43:32,400 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:43:32,400 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656836861] [2019-10-13 17:43:32,401 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:43:32,401 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:43:32,401 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:43:32,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:43:32,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:43:32,744 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 17:43:32,744 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656836861] [2019-10-13 17:43:32,744 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 17:43:32,745 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-13 17:43:32,749 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995319002] [2019-10-13 17:43:32,750 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 17:43:32,751 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:43:32,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 17:43:32,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-10-13 17:43:32,752 INFO L87 Difference]: Start difference. First operand 36 states and 41 transitions. Second operand 9 states. [2019-10-13 17:43:33,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:43:33,028 INFO L93 Difference]: Finished difference Result 42 states and 46 transitions. [2019-10-13 17:43:33,028 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-13 17:43:33,028 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 18 [2019-10-13 17:43:33,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:43:33,030 INFO L225 Difference]: With dead ends: 42 [2019-10-13 17:43:33,030 INFO L226 Difference]: Without dead ends: 40 [2019-10-13 17:43:33,031 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2019-10-13 17:43:33,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2019-10-13 17:43:33,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2019-10-13 17:43:33,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-10-13 17:43:33,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 44 transitions. [2019-10-13 17:43:33,041 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 44 transitions. Word has length 18 [2019-10-13 17:43:33,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:43:33,041 INFO L462 AbstractCegarLoop]: Abstraction has 40 states and 44 transitions. [2019-10-13 17:43:33,041 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 17:43:33,041 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 44 transitions. [2019-10-13 17:43:33,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-10-13 17:43:33,042 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:43:33,043 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 17:43:33,043 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:43:33,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:43:33,044 INFO L82 PathProgramCache]: Analyzing trace with hash 1004823058, now seen corresponding path program 1 times [2019-10-13 17:43:33,044 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:43:33,044 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108704540] [2019-10-13 17:43:33,044 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:43:33,044 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:43:33,045 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:43:33,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:43:33,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:43:33,263 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-13 17:43:33,264 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108704540] [2019-10-13 17:43:33,264 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 17:43:33,265 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-13 17:43:33,265 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736187406] [2019-10-13 17:43:33,265 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 17:43:33,265 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:43:33,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 17:43:33,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-10-13 17:43:33,268 INFO L87 Difference]: Start difference. First operand 40 states and 44 transitions. Second operand 9 states. [2019-10-13 17:43:33,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:43:33,517 INFO L93 Difference]: Finished difference Result 40 states and 44 transitions. [2019-10-13 17:43:33,517 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-13 17:43:33,517 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2019-10-13 17:43:33,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:43:33,518 INFO L225 Difference]: With dead ends: 40 [2019-10-13 17:43:33,518 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 17:43:33,519 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2019-10-13 17:43:33,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 17:43:33,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 17:43:33,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 17:43:33,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 17:43:33,520 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2019-10-13 17:43:33,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:43:33,520 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 17:43:33,521 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 17:43:33,521 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 17:43:33,521 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 17:43:33,526 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 17:43:33,619 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 17:43:33,620 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2019-10-13 17:43:33,620 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 17:43:33,620 INFO L446 ceAbstractionStarter]: At program point printOddENTRY(lines 7 9) the Hoare annotation is: true [2019-10-13 17:43:33,620 INFO L439 ceAbstractionStarter]: At program point L8(line 8) the Hoare annotation is: (or (not (= (* 2 (div printOdd_~i 2)) printOdd_~i)) (not (let ((.cse0 (+ |printOdd_#in~i| 1))) (<= .cse0 (* 2 (div .cse0 2)))))) [2019-10-13 17:43:33,620 INFO L443 ceAbstractionStarter]: For program point printOddFINAL(lines 7 9) no Hoare annotation was computed. [2019-10-13 17:43:33,621 INFO L443 ceAbstractionStarter]: For program point printOddEXIT(lines 7 9) no Hoare annotation was computed. [2019-10-13 17:43:33,621 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 17:43:33,621 INFO L446 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2019-10-13 17:43:33,621 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 17:43:33,621 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 17:43:33,621 INFO L443 ceAbstractionStarter]: For program point printEvenEXIT(lines 4 6) no Hoare annotation was computed. [2019-10-13 17:43:33,622 INFO L446 ceAbstractionStarter]: At program point printEvenENTRY(lines 4 6) the Hoare annotation is: true [2019-10-13 17:43:33,622 INFO L443 ceAbstractionStarter]: For program point printEvenFINAL(lines 4 6) no Hoare annotation was computed. [2019-10-13 17:43:33,622 INFO L439 ceAbstractionStarter]: At program point L5(line 5) the Hoare annotation is: (or (<= printEven_~i (* 2 (div printEven_~i 2))) (not (<= |printEven_#in~i| (* 2 (div |printEven_#in~i| 2))))) [2019-10-13 17:43:33,622 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 10 36) no Hoare annotation was computed. [2019-10-13 17:43:33,622 INFO L443 ceAbstractionStarter]: For program point L23(lines 23 26) no Hoare annotation was computed. [2019-10-13 17:43:33,622 INFO L439 ceAbstractionStarter]: At program point L32(line 32) the Hoare annotation is: (let ((.cse0 (+ |main_#t~mem8| 1))) (<= .cse0 (* 2 (div .cse0 2)))) [2019-10-13 17:43:33,623 INFO L443 ceAbstractionStarter]: For program point L32-1(line 32) no Hoare annotation was computed. [2019-10-13 17:43:33,623 INFO L443 ceAbstractionStarter]: For program point L28-2(lines 28 34) no Hoare annotation was computed. [2019-10-13 17:43:33,623 INFO L446 ceAbstractionStarter]: At program point L28-3(lines 28 34) the Hoare annotation is: true [2019-10-13 17:43:33,623 INFO L443 ceAbstractionStarter]: For program point L28-4(lines 28 34) no Hoare annotation was computed. [2019-10-13 17:43:33,623 INFO L443 ceAbstractionStarter]: For program point L16-2(lines 16 19) no Hoare annotation was computed. [2019-10-13 17:43:33,624 INFO L446 ceAbstractionStarter]: At program point L16-3(lines 16 19) the Hoare annotation is: true [2019-10-13 17:43:33,624 INFO L443 ceAbstractionStarter]: For program point L16-4(lines 16 19) no Hoare annotation was computed. [2019-10-13 17:43:33,624 INFO L439 ceAbstractionStarter]: At program point L25(line 25) the Hoare annotation is: (<= |main_#t~mem5| (* 2 (div |main_#t~mem5| 2))) [2019-10-13 17:43:33,624 INFO L443 ceAbstractionStarter]: For program point L25-1(line 25) no Hoare annotation was computed. [2019-10-13 17:43:33,624 INFO L443 ceAbstractionStarter]: For program point L21-2(lines 21 27) no Hoare annotation was computed. [2019-10-13 17:43:33,624 INFO L446 ceAbstractionStarter]: At program point L21-3(lines 21 27) the Hoare annotation is: true [2019-10-13 17:43:33,625 INFO L443 ceAbstractionStarter]: For program point L21-4(lines 21 27) no Hoare annotation was computed. [2019-10-13 17:43:33,625 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 10 36) no Hoare annotation was computed. [2019-10-13 17:43:33,625 INFO L443 ceAbstractionStarter]: For program point L30(lines 30 33) no Hoare annotation was computed. [2019-10-13 17:43:33,625 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 10 36) the Hoare annotation is: (= |#valid| |old(#valid)|) [2019-10-13 17:43:33,625 INFO L443 ceAbstractionStarter]: For program point L3-3(line 3) no Hoare annotation was computed. [2019-10-13 17:43:33,625 INFO L446 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(line 3) the Hoare annotation is: true [2019-10-13 17:43:33,626 INFO L443 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2019-10-13 17:43:33,626 INFO L443 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(line 3) no Hoare annotation was computed. [2019-10-13 17:43:33,626 INFO L443 ceAbstractionStarter]: For program point L3(line 3) no Hoare annotation was computed. [2019-10-13 17:43:33,626 INFO L443 ceAbstractionStarter]: For program point L3-1(line 3) no Hoare annotation was computed. [2019-10-13 17:43:33,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 05:43:33 BoogieIcfgContainer [2019-10-13 17:43:33,636 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 17:43:33,640 INFO L168 Benchmark]: Toolchain (without parser) took 2870.74 ms. Allocated memory was 145.2 MB in the beginning and 235.9 MB in the end (delta: 90.7 MB). Free memory was 102.5 MB in the beginning and 127.8 MB in the end (delta: -25.4 MB). Peak memory consumption was 65.3 MB. Max. memory is 7.1 GB. [2019-10-13 17:43:33,642 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 145.2 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-13 17:43:33,646 INFO L168 Benchmark]: CACSL2BoogieTranslator took 382.54 ms. Allocated memory was 145.2 MB in the beginning and 202.9 MB in the end (delta: 57.7 MB). Free memory was 102.3 MB in the beginning and 181.9 MB in the end (delta: -79.6 MB). Peak memory consumption was 19.3 MB. Max. memory is 7.1 GB. [2019-10-13 17:43:33,647 INFO L168 Benchmark]: Boogie Preprocessor took 44.11 ms. Allocated memory is still 202.9 MB. Free memory was 181.9 MB in the beginning and 180.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2019-10-13 17:43:33,649 INFO L168 Benchmark]: RCFGBuilder took 407.24 ms. Allocated memory is still 202.9 MB. Free memory was 179.4 MB in the beginning and 163.7 MB in the end (delta: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 7.1 GB. [2019-10-13 17:43:33,651 INFO L168 Benchmark]: TraceAbstraction took 2032.01 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 163.1 MB in the beginning and 127.8 MB in the end (delta: 35.3 MB). Peak memory consumption was 68.3 MB. Max. memory is 7.1 GB. [2019-10-13 17:43:33,659 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 145.2 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 382.54 ms. Allocated memory was 145.2 MB in the beginning and 202.9 MB in the end (delta: 57.7 MB). Free memory was 102.3 MB in the beginning and 181.9 MB in the end (delta: -79.6 MB). Peak memory consumption was 19.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 44.11 ms. Allocated memory is still 202.9 MB. Free memory was 181.9 MB in the beginning and 180.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 407.24 ms. Allocated memory is still 202.9 MB. Free memory was 179.4 MB in the beginning and 163.7 MB in the end (delta: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2032.01 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 163.1 MB in the beginning and 127.8 MB in the end (delta: 35.3 MB). Peak memory consumption was 68.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: 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: 21]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 39 locations, 1 error locations. Result: SAFE, OverallTime: 1.9s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 90 SDtfs, 63 SDslu, 294 SDs, 0 SdLazy, 343 SolverSat, 35 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=40occurred in iteration=2, 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, 3 MinimizatonAttempts, 10 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 14 LocationsWithAnnotation, 21 PreInvPairs, 29 NumberOfFragments, 76 HoareAnnotationTreeSize, 21 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 14 FomulaSimplificationsInter, 120 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 57 NumberOfCodeBlocks, 57 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 54 ConstructedInterpolants, 0 QuantifiedInterpolants, 3158 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 3/3 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...