/usr/bin/java -ea -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/ldv-regression/test_cut_trace.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-18 00:22:30,540 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-18 00:22:30,543 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-18 00:22:30,561 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-07-18 00:22:30,625 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-18 00:22:30,641 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-18 00:22:30,641 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-18 00:22:30,646 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-18 00:22:30,647 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-18 00:22:30,647 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-18 00:22:30,647 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-18 00:22:30,647 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-18 00:22:30,647 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-18 00:22:30,647 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-18 00:22:30,648 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-18 00:22:30,648 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-18 00:22:30,648 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-18 00:22:30,648 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-18 00:22:30,648 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-18 00:22:30,649 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-18 00:22:30,649 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-18 00:22:30,649 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-18 00:22:30,649 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-18 00:22:30,649 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-18 00:22:30,649 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-18 00:22:30,650 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-18 00:22:30,650 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-18 00:22:30,650 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-18 00:22:30,954 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-18 00:22:30,968 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-18 00:22:30,971 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-18 00:22:30,973 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-18 00:22:30,973 INFO L275 PluginConnector]: CDTParser initialized [2020-07-18 00:22:30,974 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test_cut_trace.i [2020-07-18 00:22:31,044 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe045a411/bcc437530cd34d6dbfd804ee06b00cac/FLAG3b1c97b5b [2020-07-18 00:22:31,479 INFO L306 CDTParser]: Found 1 translation units. [2020-07-18 00:22:31,480 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test_cut_trace.i [2020-07-18 00:22:31,486 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe045a411/bcc437530cd34d6dbfd804ee06b00cac/FLAG3b1c97b5b [2020-07-18 00:22:31,907 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe045a411/bcc437530cd34d6dbfd804ee06b00cac [2020-07-18 00:22:31,915 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-18 00:22:31,918 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-18 00:22:31,919 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-18 00:22:31,919 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-18 00:22:31,923 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-18 00:22:31,924 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 12:22:31" (1/1) ... [2020-07-18 00:22:31,927 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43d38504 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:22:31, skipping insertion in model container [2020-07-18 00:22:31,927 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 12:22:31" (1/1) ... [2020-07-18 00:22:31,935 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-18 00:22:31,950 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-18 00:22:32,112 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 00:22:32,118 INFO L203 MainTranslator]: Completed pre-run [2020-07-18 00:22:32,131 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 00:22:32,146 INFO L208 MainTranslator]: Completed translation [2020-07-18 00:22:32,147 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:22:32 WrapperNode [2020-07-18 00:22:32,147 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-18 00:22:32,148 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-18 00:22:32,148 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-18 00:22:32,148 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-18 00:22:32,160 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:22:32" (1/1) ... [2020-07-18 00:22:32,160 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:22:32" (1/1) ... [2020-07-18 00:22:32,164 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:22:32" (1/1) ... [2020-07-18 00:22:32,164 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:22:32" (1/1) ... [2020-07-18 00:22:32,169 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:22:32" (1/1) ... [2020-07-18 00:22:32,171 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:22:32" (1/1) ... [2020-07-18 00:22:32,172 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:22:32" (1/1) ... [2020-07-18 00:22:32,173 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-18 00:22:32,174 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-18 00:22:32,174 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-18 00:22:32,174 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-18 00:22:32,175 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:22:32" (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 [2020-07-18 00:22:32,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-18 00:22:32,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-18 00:22:32,332 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2020-07-18 00:22:32,332 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-18 00:22:32,333 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-18 00:22:32,333 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2020-07-18 00:22:32,333 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-18 00:22:32,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-18 00:22:32,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-18 00:22:32,518 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-18 00:22:32,519 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-18 00:22:32,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 12:22:32 BoogieIcfgContainer [2020-07-18 00:22:32,524 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-18 00:22:32,525 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-18 00:22:32,526 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-18 00:22:32,529 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-18 00:22:32,529 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.07 12:22:31" (1/3) ... [2020-07-18 00:22:32,530 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a1f0b0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 12:22:32, skipping insertion in model container [2020-07-18 00:22:32,531 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:22:32" (2/3) ... [2020-07-18 00:22:32,531 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a1f0b0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 12:22:32, skipping insertion in model container [2020-07-18 00:22:32,531 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 12:22:32" (3/3) ... [2020-07-18 00:22:32,533 INFO L109 eAbstractionObserver]: Analyzing ICFG test_cut_trace.i [2020-07-18 00:22:32,550 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-18 00:22:32,560 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-18 00:22:32,580 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-18 00:22:32,605 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-18 00:22:32,605 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-18 00:22:32,605 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-18 00:22:32,605 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-18 00:22:32,606 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-18 00:22:32,606 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-18 00:22:32,606 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-18 00:22:32,606 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-18 00:22:32,620 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2020-07-18 00:22:32,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-07-18 00:22:32,630 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 00:22:32,632 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 00:22:32,632 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 00:22:32,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 00:22:32,639 INFO L82 PathProgramCache]: Analyzing trace with hash -1077921841, now seen corresponding path program 1 times [2020-07-18 00:22:32,648 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 00:22:32,648 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2090735949] [2020-07-18 00:22:32,649 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 00:22:32,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:22:32,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:22:32,838 INFO L280 TraceCheckUtils]: 0: Hoare triple {24#true} assume true; {24#true} is VALID [2020-07-18 00:22:32,839 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {24#true} {24#true} #28#return; {24#true} is VALID [2020-07-18 00:22:32,841 INFO L263 TraceCheckUtils]: 0: Hoare triple {24#true} call ULTIMATE.init(); {24#true} is VALID [2020-07-18 00:22:32,841 INFO L280 TraceCheckUtils]: 1: Hoare triple {24#true} assume true; {24#true} is VALID [2020-07-18 00:22:32,842 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {24#true} {24#true} #28#return; {24#true} is VALID [2020-07-18 00:22:32,842 INFO L263 TraceCheckUtils]: 3: Hoare triple {24#true} call #t~ret0 := main(); {24#true} is VALID [2020-07-18 00:22:32,842 INFO L280 TraceCheckUtils]: 4: Hoare triple {24#true} havoc ~z~0; {24#true} is VALID [2020-07-18 00:22:32,843 INFO L280 TraceCheckUtils]: 5: Hoare triple {24#true} havoc ~a~0; {24#true} is VALID [2020-07-18 00:22:32,844 INFO L280 TraceCheckUtils]: 6: Hoare triple {24#true} ~z~0 := 0; {28#(= 0 main_~z~0)} is VALID [2020-07-18 00:22:32,845 INFO L280 TraceCheckUtils]: 7: Hoare triple {28#(= 0 main_~z~0)} assume !(0 == ~z~0); {25#false} is VALID [2020-07-18 00:22:32,846 INFO L263 TraceCheckUtils]: 8: Hoare triple {25#false} call __blast_assert(); {25#false} is VALID [2020-07-18 00:22:32,846 INFO L280 TraceCheckUtils]: 9: Hoare triple {25#false} assume !false; {25#false} is VALID [2020-07-18 00:22:32,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 00:22:32,849 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-18 00:22:32,851 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2090735949] [2020-07-18 00:22:32,853 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 00:22:32,853 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-18 00:22:32,853 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437939731] [2020-07-18 00:22:32,859 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-07-18 00:22:32,861 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 00:22:32,864 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-18 00:22:32,909 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 10 edges. 10 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:22:32,909 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-18 00:22:32,910 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 00:22:32,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-18 00:22:32,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-18 00:22:32,919 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 3 states. [2020-07-18 00:22:33,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:22:33,054 INFO L93 Difference]: Finished difference Result 31 states and 34 transitions. [2020-07-18 00:22:33,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-18 00:22:33,055 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-07-18 00:22:33,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 00:22:33,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-18 00:22:33,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 34 transitions. [2020-07-18 00:22:33,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-18 00:22:33,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 34 transitions. [2020-07-18 00:22:33,071 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 34 transitions. [2020-07-18 00:22:33,141 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 34 edges. 34 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:22:33,153 INFO L225 Difference]: With dead ends: 31 [2020-07-18 00:22:33,153 INFO L226 Difference]: Without dead ends: 13 [2020-07-18 00:22:33,158 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-18 00:22:33,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2020-07-18 00:22:33,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2020-07-18 00:22:33,228 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 00:22:33,229 INFO L82 GeneralOperation]: Start isEquivalent. First operand 13 states. Second operand 13 states. [2020-07-18 00:22:33,230 INFO L74 IsIncluded]: Start isIncluded. First operand 13 states. Second operand 13 states. [2020-07-18 00:22:33,230 INFO L87 Difference]: Start difference. First operand 13 states. Second operand 13 states. [2020-07-18 00:22:33,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:22:33,237 INFO L93 Difference]: Finished difference Result 13 states and 12 transitions. [2020-07-18 00:22:33,238 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 12 transitions. [2020-07-18 00:22:33,239 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 00:22:33,239 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 00:22:33,239 INFO L74 IsIncluded]: Start isIncluded. First operand 13 states. Second operand 13 states. [2020-07-18 00:22:33,240 INFO L87 Difference]: Start difference. First operand 13 states. Second operand 13 states. [2020-07-18 00:22:33,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:22:33,246 INFO L93 Difference]: Finished difference Result 13 states and 12 transitions. [2020-07-18 00:22:33,247 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 12 transitions. [2020-07-18 00:22:33,247 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 00:22:33,248 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 00:22:33,248 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 00:22:33,248 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 00:22:33,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-07-18 00:22:33,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 12 transitions. [2020-07-18 00:22:33,257 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 12 transitions. Word has length 10 [2020-07-18 00:22:33,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 00:22:33,257 INFO L479 AbstractCegarLoop]: Abstraction has 13 states and 12 transitions. [2020-07-18 00:22:33,258 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-18 00:22:33,259 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 13 states and 12 transitions. [2020-07-18 00:22:33,287 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 12 edges. 12 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:22:33,288 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 12 transitions. [2020-07-18 00:22:33,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-07-18 00:22:33,288 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 00:22:33,289 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 00:22:33,289 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-18 00:22:33,290 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 00:22:33,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 00:22:33,293 INFO L82 PathProgramCache]: Analyzing trace with hash -798013776, now seen corresponding path program 1 times [2020-07-18 00:22:33,293 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 00:22:33,293 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1877596359] [2020-07-18 00:22:33,294 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 00:22:33,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:22:33,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:22:33,438 INFO L280 TraceCheckUtils]: 0: Hoare triple {145#true} assume true; {145#true} is VALID [2020-07-18 00:22:33,439 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {145#true} {145#true} #28#return; {145#true} is VALID [2020-07-18 00:22:33,440 INFO L263 TraceCheckUtils]: 0: Hoare triple {145#true} call ULTIMATE.init(); {145#true} is VALID [2020-07-18 00:22:33,440 INFO L280 TraceCheckUtils]: 1: Hoare triple {145#true} assume true; {145#true} is VALID [2020-07-18 00:22:33,440 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {145#true} {145#true} #28#return; {145#true} is VALID [2020-07-18 00:22:33,441 INFO L263 TraceCheckUtils]: 3: Hoare triple {145#true} call #t~ret0 := main(); {145#true} is VALID [2020-07-18 00:22:33,441 INFO L280 TraceCheckUtils]: 4: Hoare triple {145#true} havoc ~z~0; {145#true} is VALID [2020-07-18 00:22:33,441 INFO L280 TraceCheckUtils]: 5: Hoare triple {145#true} havoc ~a~0; {145#true} is VALID [2020-07-18 00:22:33,443 INFO L280 TraceCheckUtils]: 6: Hoare triple {145#true} ~z~0 := 0; {149#(and (<= 0 main_~z~0) (<= main_~z~0 0))} is VALID [2020-07-18 00:22:33,444 INFO L280 TraceCheckUtils]: 7: Hoare triple {149#(and (<= 0 main_~z~0) (<= main_~z~0 0))} assume 0 == ~z~0; {149#(and (<= 0 main_~z~0) (<= main_~z~0 0))} is VALID [2020-07-18 00:22:33,445 INFO L280 TraceCheckUtils]: 8: Hoare triple {149#(and (<= 0 main_~z~0) (<= main_~z~0 0))} ~a~0 := ~z~0; {150#(and (<= main_~a~0 0) (<= 0 main_~a~0))} is VALID [2020-07-18 00:22:33,446 INFO L280 TraceCheckUtils]: 9: Hoare triple {150#(and (<= main_~a~0 0) (<= 0 main_~a~0))} assume !(0 == ~a~0); {146#false} is VALID [2020-07-18 00:22:33,447 INFO L263 TraceCheckUtils]: 10: Hoare triple {146#false} call __blast_assert(); {146#false} is VALID [2020-07-18 00:22:33,447 INFO L280 TraceCheckUtils]: 11: Hoare triple {146#false} assume !false; {146#false} is VALID [2020-07-18 00:22:33,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 00:22:33,453 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-18 00:22:33,453 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1877596359] [2020-07-18 00:22:33,453 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 00:22:33,454 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-18 00:22:33,454 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41312975] [2020-07-18 00:22:33,455 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-07-18 00:22:33,455 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 00:22:33,456 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-18 00:22:33,475 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 12 edges. 12 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:22:33,476 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-18 00:22:33,476 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 00:22:33,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-18 00:22:33,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-18 00:22:33,477 INFO L87 Difference]: Start difference. First operand 13 states and 12 transitions. Second operand 4 states. [2020-07-18 00:22:33,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:22:33,549 INFO L93 Difference]: Finished difference Result 13 states and 12 transitions. [2020-07-18 00:22:33,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-18 00:22:33,549 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-07-18 00:22:33,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 00:22:33,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-18 00:22:33,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2020-07-18 00:22:33,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-18 00:22:33,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2020-07-18 00:22:33,553 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 12 transitions. [2020-07-18 00:22:33,571 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 12 edges. 12 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:22:33,571 INFO L225 Difference]: With dead ends: 13 [2020-07-18 00:22:33,571 INFO L226 Difference]: Without dead ends: 0 [2020-07-18 00:22:33,573 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-18 00:22:33,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-18 00:22:33,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-18 00:22:33,575 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 00:22:33,575 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-18 00:22:33,575 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-18 00:22:33,575 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-18 00:22:33,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:22:33,576 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-18 00:22:33,576 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-18 00:22:33,577 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 00:22:33,577 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 00:22:33,577 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-18 00:22:33,577 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-18 00:22:33,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:22:33,578 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-18 00:22:33,578 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-18 00:22:33,578 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 00:22:33,579 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 00:22:33,579 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 00:22:33,579 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 00:22:33,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-18 00:22:33,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-18 00:22:33,580 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2020-07-18 00:22:33,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 00:22:33,580 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-18 00:22:33,581 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-18 00:22:33,581 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 0 states and 0 transitions. [2020-07-18 00:22:33,581 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:22:33,581 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-18 00:22:33,581 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 00:22:33,582 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-18 00:22:33,585 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-18 00:22:33,736 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-07-18 00:22:33,736 INFO L271 CegarLoopResult]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2020-07-18 00:22:33,737 INFO L271 CegarLoopResult]: At program point __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) the Hoare annotation is: true [2020-07-18 00:22:33,737 INFO L271 CegarLoopResult]: At program point __blast_assertEXIT(lines 4 7) the Hoare annotation is: true [2020-07-18 00:22:33,737 INFO L271 CegarLoopResult]: At program point __blast_assertFINAL(lines 4 7) the Hoare annotation is: true [2020-07-18 00:22:33,737 INFO L271 CegarLoopResult]: At program point __blast_assertENTRY(lines 4 7) the Hoare annotation is: true [2020-07-18 00:22:33,737 INFO L271 CegarLoopResult]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2020-07-18 00:22:33,737 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-07-18 00:22:33,738 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-18 00:22:33,738 INFO L271 CegarLoopResult]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2020-07-18 00:22:33,738 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 13 20) the Hoare annotation is: true [2020-07-18 00:22:33,738 INFO L264 CegarLoopResult]: At program point mainEXIT(lines 13 20) the Hoare annotation is: (= 0 main_~z~0) [2020-07-18 00:22:33,738 INFO L264 CegarLoopResult]: At program point L18(line 18) the Hoare annotation is: (and (<= main_~a~0 0) (= 0 main_~z~0) (<= 0 main_~a~0)) [2020-07-18 00:22:33,739 INFO L264 CegarLoopResult]: At program point L16(line 16) the Hoare annotation is: (= 0 main_~z~0) [2020-07-18 00:22:33,739 INFO L264 CegarLoopResult]: At program point L18-2(line 18) the Hoare annotation is: false [2020-07-18 00:22:33,739 INFO L271 CegarLoopResult]: At program point L15(line 15) the Hoare annotation is: true [2020-07-18 00:22:33,739 INFO L264 CegarLoopResult]: At program point L18-3(line 18) the Hoare annotation is: (= 0 main_~z~0) [2020-07-18 00:22:33,739 INFO L271 CegarLoopResult]: At program point L14(line 14) the Hoare annotation is: true [2020-07-18 00:22:33,740 INFO L264 CegarLoopResult]: At program point L16-2(line 16) the Hoare annotation is: false [2020-07-18 00:22:33,740 INFO L264 CegarLoopResult]: At program point L16-3(line 16) the Hoare annotation is: (= 0 main_~z~0) [2020-07-18 00:22:33,740 INFO L264 CegarLoopResult]: At program point mainFINAL(lines 13 20) the Hoare annotation is: (= 0 main_~z~0) [2020-07-18 00:22:33,750 INFO L163 areAnnotationChecker]: CFG has 23 edges. 23 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-18 00:22:33,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.07 12:22:33 BoogieIcfgContainer [2020-07-18 00:22:33,763 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-18 00:22:33,767 INFO L168 Benchmark]: Toolchain (without parser) took 1849.06 ms. Allocated memory was 142.6 MB in the beginning and 227.5 MB in the end (delta: 84.9 MB). Free memory was 100.6 MB in the beginning and 192.8 MB in the end (delta: -92.2 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-07-18 00:22:33,768 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 142.6 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-18 00:22:33,769 INFO L168 Benchmark]: CACSL2BoogieTranslator took 228.52 ms. Allocated memory is still 142.6 MB. Free memory was 100.4 MB in the beginning and 91.1 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2020-07-18 00:22:33,770 INFO L168 Benchmark]: Boogie Preprocessor took 25.52 ms. Allocated memory is still 142.6 MB. Free memory was 91.1 MB in the beginning and 89.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2020-07-18 00:22:33,771 INFO L168 Benchmark]: RCFGBuilder took 350.34 ms. Allocated memory was 142.6 MB in the beginning and 199.8 MB in the end (delta: 57.1 MB). Free memory was 89.7 MB in the beginning and 166.6 MB in the end (delta: -76.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2020-07-18 00:22:33,772 INFO L168 Benchmark]: TraceAbstraction took 1238.04 ms. Allocated memory was 199.8 MB in the beginning and 227.5 MB in the end (delta: 27.8 MB). Free memory was 165.9 MB in the beginning and 192.8 MB in the end (delta: -26.9 MB). Peak memory consumption was 858.7 kB. Max. memory is 7.1 GB. [2020-07-18 00:22:33,775 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 142.6 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 228.52 ms. Allocated memory is still 142.6 MB. Free memory was 100.4 MB in the beginning and 91.1 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 25.52 ms. Allocated memory is still 142.6 MB. Free memory was 91.1 MB in the beginning and 89.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 350.34 ms. Allocated memory was 142.6 MB in the beginning and 199.8 MB in the end (delta: 57.1 MB). Free memory was 89.7 MB in the beginning and 166.6 MB in the end (delta: -76.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1238.04 ms. Allocated memory was 199.8 MB in the beginning and 227.5 MB in the end (delta: 27.8 MB). Free memory was 165.9 MB in the beginning and 192.8 MB in the end (delta: -26.9 MB). Peak memory consumption was 858.7 kB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 6]: 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 - ProcedureContractResult [Line: 4]: Procedure Contract for __blast_assert Derived contract for procedure __blast_assert: 1 - ProcedureContractResult [Line: 13]: Procedure Contract for main Derived contract for procedure main: 0 == z - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 21 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 22 SDtfs, 7 SDslu, 20 SDs, 0 SdLazy, 8 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 21 LocationsWithAnnotation, 29 PreInvPairs, 36 NumberOfFragments, 40 HoareAnnotationTreeSize, 29 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 21 FomulaSimplificationsInter, 20 FormulaSimplificationTreeSizeReductionInter, 0.0s 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...