/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/loops/sum04-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-72570d3 [2020-08-22 19:45:42,479 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 19:45:42,481 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 19:45:42,505 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 19:45:42,505 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 19:45:42,506 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 19:45:42,508 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 19:45:42,509 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 19:45:42,511 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 19:45:42,512 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 19:45:42,513 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 19:45:42,514 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 19:45:42,514 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 19:45:42,515 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 19:45:42,516 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 19:45:42,517 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 19:45:42,518 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 19:45:42,519 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 19:45:42,520 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 19:45:42,522 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 19:45:42,523 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 19:45:42,524 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 19:45:42,525 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 19:45:42,526 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 19:45:42,528 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-22 19:45:42,535 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 19:45:42,538 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 19:45:42,539 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 19:45:42,540 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-08-22 19:45:42,548 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 19:45:42,549 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 19:45:42,550 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 19:45:42,550 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 19:45:42,550 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 19:45:42,550 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 19:45:42,551 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 19:45:42,551 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 19:45:42,551 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 19:45:42,551 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 19:45:42,551 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 19:45:42,551 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 19:45:42,552 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 19:45:42,552 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 19:45:42,552 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 19:45:42,552 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-08-22 19:45:42,552 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 19:45:42,553 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 19:45:42,553 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 19:45:42,553 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 19:45:42,553 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-08-22 19:45:42,553 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 19:45:42,554 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-08-22 19:45:42,859 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 19:45:42,872 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 19:45:42,876 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 19:45:42,877 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 19:45:42,878 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 19:45:42,878 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/sum04-2.i [2020-08-22 19:45:42,942 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/519d35955/9ff5e1ec51334fd98ad06281cd2425d4/FLAGb4c690083 [2020-08-22 19:45:43,398 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 19:45:43,399 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/sum04-2.i [2020-08-22 19:45:43,405 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/519d35955/9ff5e1ec51334fd98ad06281cd2425d4/FLAGb4c690083 [2020-08-22 19:45:43,798 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/519d35955/9ff5e1ec51334fd98ad06281cd2425d4 [2020-08-22 19:45:43,808 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 19:45:43,810 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 19:45:43,812 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 19:45:43,812 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 19:45:43,816 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 19:45:43,817 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 07:45:43" (1/1) ... [2020-08-22 19:45:43,820 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7451197e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:45:43, skipping insertion in model container [2020-08-22 19:45:43,820 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 07:45:43" (1/1) ... [2020-08-22 19:45:43,828 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 19:45:43,846 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 19:45:44,064 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 19:45:44,068 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 19:45:44,083 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 19:45:44,098 INFO L208 MainTranslator]: Completed translation [2020-08-22 19:45:44,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:45:44 WrapperNode [2020-08-22 19:45:44,099 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 19:45:44,099 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 19:45:44,099 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 19:45:44,100 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 19:45:44,111 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:45:44" (1/1) ... [2020-08-22 19:45:44,111 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:45:44" (1/1) ... [2020-08-22 19:45:44,115 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:45:44" (1/1) ... [2020-08-22 19:45:44,115 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:45:44" (1/1) ... [2020-08-22 19:45:44,198 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:45:44" (1/1) ... [2020-08-22 19:45:44,205 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:45:44" (1/1) ... [2020-08-22 19:45:44,206 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:45:44" (1/1) ... [2020-08-22 19:45:44,207 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 19:45:44,208 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 19:45:44,209 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 19:45:44,209 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 19:45:44,211 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:45:44" (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 [2020-08-22 19:45:44,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 19:45:44,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 19:45:44,264 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-08-22 19:45:44,265 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 19:45:44,265 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 19:45:44,265 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-08-22 19:45:44,265 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 19:45:44,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 19:45:44,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 19:45:44,422 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 19:45:44,422 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-22 19:45:44,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 07:45:44 BoogieIcfgContainer [2020-08-22 19:45:44,425 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 19:45:44,426 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 19:45:44,426 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 19:45:44,429 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 19:45:44,430 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 07:45:43" (1/3) ... [2020-08-22 19:45:44,431 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7551c098 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 07:45:44, skipping insertion in model container [2020-08-22 19:45:44,431 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:45:44" (2/3) ... [2020-08-22 19:45:44,431 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7551c098 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 07:45:44, skipping insertion in model container [2020-08-22 19:45:44,431 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 07:45:44" (3/3) ... [2020-08-22 19:45:44,433 INFO L109 eAbstractionObserver]: Analyzing ICFG sum04-2.i [2020-08-22 19:45:44,444 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-22 19:45:44,451 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 19:45:44,463 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 19:45:44,484 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 19:45:44,485 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 19:45:44,485 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-08-22 19:45:44,485 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 19:45:44,485 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 19:45:44,485 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 19:45:44,485 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 19:45:44,485 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 19:45:44,497 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2020-08-22 19:45:44,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-08-22 19:45:44,505 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 19:45:44,506 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 19:45:44,507 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 19:45:44,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 19:45:44,512 INFO L82 PathProgramCache]: Analyzing trace with hash 129992897, now seen corresponding path program 1 times [2020-08-22 19:45:44,519 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 19:45:44,519 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2050925668] [2020-08-22 19:45:44,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 19:45:44,569 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 19:45:44,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:45:44,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 19:45:44,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:45:44,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 19:45:44,627 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2050925668] [2020-08-22 19:45:44,630 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 19:45:44,630 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-08-22 19:45:44,631 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434154814] [2020-08-22 19:45:44,636 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-08-22 19:45:44,636 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 19:45:44,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-08-22 19:45:44,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-08-22 19:45:44,654 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 2 states. [2020-08-22 19:45:44,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 19:45:44,680 INFO L93 Difference]: Finished difference Result 34 states and 37 transitions. [2020-08-22 19:45:44,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-08-22 19:45:44,682 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2020-08-22 19:45:44,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 19:45:44,690 INFO L225 Difference]: With dead ends: 34 [2020-08-22 19:45:44,690 INFO L226 Difference]: Without dead ends: 17 [2020-08-22 19:45:44,694 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-08-22 19:45:44,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2020-08-22 19:45:44,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2020-08-22 19:45:44,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2020-08-22 19:45:44,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2020-08-22 19:45:44,734 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 17 transitions. Word has length 12 [2020-08-22 19:45:44,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 19:45:44,734 INFO L479 AbstractCegarLoop]: Abstraction has 17 states and 17 transitions. [2020-08-22 19:45:44,734 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-08-22 19:45:44,735 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2020-08-22 19:45:44,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-08-22 19:45:44,735 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 19:45:44,735 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 19:45:44,736 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 19:45:44,736 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 19:45:44,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 19:45:44,737 INFO L82 PathProgramCache]: Analyzing trace with hash 121681208, now seen corresponding path program 1 times [2020-08-22 19:45:44,737 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 19:45:44,738 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1372560107] [2020-08-22 19:45:44,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 19:45:44,740 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 19:45:44,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:45:44,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 19:45:44,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:45:44,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 19:45:44,787 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1372560107] [2020-08-22 19:45:44,787 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 19:45:44,788 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-22 19:45:44,788 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103123256] [2020-08-22 19:45:44,789 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-22 19:45:44,789 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 19:45:44,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-22 19:45:44,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-22 19:45:44,790 INFO L87 Difference]: Start difference. First operand 17 states and 17 transitions. Second operand 3 states. [2020-08-22 19:45:44,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 19:45:44,823 INFO L93 Difference]: Finished difference Result 26 states and 26 transitions. [2020-08-22 19:45:44,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-22 19:45:44,824 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2020-08-22 19:45:44,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 19:45:44,825 INFO L225 Difference]: With dead ends: 26 [2020-08-22 19:45:44,825 INFO L226 Difference]: Without dead ends: 21 [2020-08-22 19:45:44,827 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 [2020-08-22 19:45:44,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2020-08-22 19:45:44,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 18. [2020-08-22 19:45:44,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2020-08-22 19:45:44,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2020-08-22 19:45:44,834 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 12 [2020-08-22 19:45:44,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 19:45:44,834 INFO L479 AbstractCegarLoop]: Abstraction has 18 states and 18 transitions. [2020-08-22 19:45:44,835 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-22 19:45:44,835 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2020-08-22 19:45:44,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-08-22 19:45:44,836 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 19:45:44,836 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 19:45:44,836 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-22 19:45:44,837 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 19:45:44,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 19:45:44,837 INFO L82 PathProgramCache]: Analyzing trace with hash -917865259, now seen corresponding path program 1 times [2020-08-22 19:45:44,837 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 19:45:44,838 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2100141593] [2020-08-22 19:45:44,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 19:45:47,038 INFO L278 leratedInterpolation]: Starting analysis with loop acceleration approximation PRECISE [2020-08-22 19:45:47,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:45:47,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 19:45:47,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:45:47,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 19:45:52,087 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2100141593] [2020-08-22 19:45:52,088 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 19:45:52,088 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-08-22 19:45:52,088 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656971098] [2020-08-22 19:45:52,089 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-22 19:45:52,089 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 19:45:52,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-22 19:45:52,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=161, Unknown=2, NotChecked=0, Total=210 [2020-08-22 19:45:52,090 INFO L87 Difference]: Start difference. First operand 18 states and 18 transitions. Second operand 12 states. [2020-08-22 19:45:52,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 19:45:52,634 INFO L93 Difference]: Finished difference Result 19 states and 19 transitions. [2020-08-22 19:45:52,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-22 19:45:52,635 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 17 [2020-08-22 19:45:52,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 19:45:52,635 INFO L225 Difference]: With dead ends: 19 [2020-08-22 19:45:52,636 INFO L226 Difference]: Without dead ends: 0 [2020-08-22 19:45:52,637 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=59, Invalid=211, Unknown=2, NotChecked=0, Total=272 [2020-08-22 19:45:52,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-22 19:45:52,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-22 19:45:52,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-22 19:45:52,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-22 19:45:52,638 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2020-08-22 19:45:52,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 19:45:52,639 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-22 19:45:52,639 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-22 19:45:52,639 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-22 19:45:52,639 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-22 19:45:52,640 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-22 19:45:52,642 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-22 19:45:52,883 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-08-22 19:45:52,883 INFO L271 CegarLoopResult]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2020-08-22 19:45:52,883 INFO L271 CegarLoopResult]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2020-08-22 19:45:52,883 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-08-22 19:45:52,884 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-22 19:45:52,884 INFO L271 CegarLoopResult]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2020-08-22 19:45:52,885 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 11 17) the Hoare annotation is: true [2020-08-22 19:45:52,885 INFO L271 CegarLoopResult]: At program point mainEXIT(lines 11 17) the Hoare annotation is: true [2020-08-22 19:45:52,886 INFO L264 CegarLoopResult]: At program point L14(line 14) the Hoare annotation is: (and (exists ((v_main_~sn~0_10 Int) (v_main_~i~0_11 Int)) (let ((.cse1 (+ v_main_~sn~0_10 2)) (.cse0 (* 2 v_main_~i~0_11))) (and (<= v_main_~i~0_11 1) (<= .cse0 .cse1) (or (let ((.cse3 (div (+ (* main_~sn~0 (- 1)) v_main_~sn~0_10 4) (- 2)))) (let ((.cse2 (div (+ main_~sn~0 (* v_main_~sn~0_10 (- 1)) (- 4)) 2)) (.cse4 (+ v_main_~i~0_11 .cse3))) (and (<= main_~i~0 (+ .cse2 v_main_~i~0_11 2)) (<= 0 .cse2) (<= .cse3 .cse2) (<= v_main_~i~0_11 8) (<= v_main_~i~0_11 7) (<= .cse4 7) (<= .cse4 8) (<= (+ v_main_~i~0_11 2) main_~i~0) (<= (+ v_main_~i~0_11 .cse3 2) main_~i~0) (<= main_~i~0 9) (<= main_~i~0 10)))) (and (= main_~sn~0 v_main_~sn~0_10) (= v_main_~i~0_11 main_~i~0)) (let ((.cse5 (+ v_main_~i~0_11 1))) (and (<= main_~i~0 .cse5) (<= main_~sn~0 .cse1) (<= .cse1 main_~sn~0) (<= .cse0 16) (<= .cse5 main_~i~0)))) (<= .cse1 .cse0)))) (<= main_~i~0 8)) [2020-08-22 19:45:52,886 INFO L264 CegarLoopResult]: At program point L13(line 13) the Hoare annotation is: (and (<= 0 main_~sn~0) (<= main_~sn~0 0)) [2020-08-22 19:45:52,886 INFO L271 CegarLoopResult]: At program point mainFINAL(lines 11 17) the Hoare annotation is: true [2020-08-22 19:45:52,886 INFO L271 CegarLoopResult]: At program point L12(line 12) the Hoare annotation is: true [2020-08-22 19:45:52,887 INFO L264 CegarLoopResult]: At program point L13-3(lines 13 15) the Hoare annotation is: (and (<= main_~i~0 8) (exists ((v_main_~sn~0_10 Int) (v_main_~i~0_11 Int)) (let ((.cse1 (+ v_main_~sn~0_10 2)) (.cse0 (* 2 v_main_~i~0_11))) (and (<= v_main_~i~0_11 1) (<= .cse0 .cse1) (or (let ((.cse3 (div (+ (* main_~sn~0 (- 1)) v_main_~sn~0_10 6) (- 2)))) (let ((.cse2 (div (+ main_~sn~0 (* v_main_~sn~0_10 (- 1)) (- 6)) 2)) (.cse4 (+ .cse3 v_main_~i~0_11))) (and (<= main_~i~0 (+ v_main_~i~0_11 .cse2 2)) (<= .cse3 .cse2) (<= v_main_~i~0_11 8) (<= v_main_~i~0_11 7) (<= .cse4 7) (<= (+ v_main_~i~0_11 2) main_~i~0) (<= (+ .cse3 v_main_~i~0_11 2) main_~i~0) (<= 0 .cse2) (<= .cse4 8) (<= main_~i~0 9) (<= main_~i~0 10)))) (and (= v_main_~i~0_11 main_~i~0) (= main_~sn~0 .cse1)) (let ((.cse6 (+ v_main_~sn~0_10 4)) (.cse5 (+ v_main_~i~0_11 1))) (and (<= main_~i~0 .cse5) (<= .cse0 16) (<= main_~sn~0 .cse6) (<= .cse6 main_~sn~0) (<= .cse5 main_~i~0)))) (<= .cse1 .cse0))))) [2020-08-22 19:45:52,887 INFO L264 CegarLoopResult]: At program point L13-4(line 13) the Hoare annotation is: (and (<= main_~i~0 8) (exists ((v_main_~sn~0_10 Int) (v_main_~i~0_11 Int)) (let ((.cse1 (+ v_main_~sn~0_10 2)) (.cse0 (* 2 v_main_~i~0_11))) (and (<= v_main_~i~0_11 1) (<= .cse0 .cse1) (or (let ((.cse3 (div (+ (* main_~sn~0 (- 1)) v_main_~sn~0_10 6) (- 2)))) (let ((.cse2 (div (+ main_~sn~0 (* v_main_~sn~0_10 (- 1)) (- 6)) 2)) (.cse4 (+ .cse3 v_main_~i~0_11))) (and (<= main_~i~0 (+ v_main_~i~0_11 .cse2 2)) (<= .cse3 .cse2) (<= v_main_~i~0_11 8) (<= v_main_~i~0_11 7) (<= .cse4 7) (<= (+ v_main_~i~0_11 2) main_~i~0) (<= (+ .cse3 v_main_~i~0_11 2) main_~i~0) (<= 0 .cse2) (<= .cse4 8) (<= main_~i~0 9) (<= main_~i~0 10)))) (and (= v_main_~i~0_11 main_~i~0) (= main_~sn~0 .cse1)) (let ((.cse6 (+ v_main_~sn~0_10 4)) (.cse5 (+ v_main_~i~0_11 1))) (and (<= main_~i~0 .cse5) (<= .cse0 16) (<= main_~sn~0 .cse6) (<= .cse6 main_~sn~0) (<= .cse5 main_~i~0)))) (<= .cse1 .cse0)))) (= |main_#t~post0| main_~i~0)) [2020-08-22 19:45:52,888 INFO L264 CegarLoopResult]: At program point L13-5(line 13) the Hoare annotation is: (and (<= |main_#t~post0| 8) (= main_~i~0 (+ |main_#t~post0| 1)) (exists ((v_main_~sn~0_10 Int) (v_main_~i~0_11 Int)) (let ((.cse0 (+ v_main_~sn~0_10 2)) (.cse2 (* 2 v_main_~i~0_11))) (and (<= v_main_~i~0_11 1) (or (and (= v_main_~i~0_11 |main_#t~post0|) (= main_~sn~0 .cse0)) (let ((.cse1 (+ v_main_~i~0_11 1)) (.cse3 (+ v_main_~sn~0_10 4))) (and (<= |main_#t~post0| .cse1) (<= .cse1 |main_#t~post0|) (<= .cse2 16) (<= main_~sn~0 .cse3) (<= .cse3 main_~sn~0))) (let ((.cse4 (div (+ (* main_~sn~0 (- 1)) v_main_~sn~0_10 6) (- 2)))) (let ((.cse6 (+ .cse4 v_main_~i~0_11)) (.cse5 (div (+ main_~sn~0 (* v_main_~sn~0_10 (- 1)) (- 6)) 2))) (and (<= .cse4 .cse5) (<= (+ v_main_~i~0_11 2) |main_#t~post0|) (<= v_main_~i~0_11 8) (<= (+ .cse4 v_main_~i~0_11 2) |main_#t~post0|) (<= v_main_~i~0_11 7) (<= |main_#t~post0| 10) (<= .cse6 7) (<= 0 .cse5) (<= .cse6 8) (<= |main_#t~post0| 9) (<= |main_#t~post0| (+ v_main_~i~0_11 .cse5 2)))))) (<= .cse2 .cse0) (<= .cse0 .cse2))))) [2020-08-22 19:45:52,888 INFO L264 CegarLoopResult]: At program point L13-6(lines 13 15) the Hoare annotation is: (exists ((v_main_~sn~0_10 Int) (v_main_~i~0_11 Int)) (let ((.cse1 (+ v_main_~sn~0_10 2)) (.cse0 (* 2 v_main_~i~0_11))) (and (<= v_main_~i~0_11 1) (<= .cse0 .cse1) (or (let ((.cse3 (div (+ (* main_~sn~0 (- 1)) v_main_~sn~0_10 4) (- 2)))) (let ((.cse2 (div (+ main_~sn~0 (* v_main_~sn~0_10 (- 1)) (- 4)) 2)) (.cse4 (+ v_main_~i~0_11 .cse3))) (and (<= main_~i~0 (+ .cse2 v_main_~i~0_11 2)) (<= 0 .cse2) (<= .cse3 .cse2) (<= v_main_~i~0_11 8) (<= v_main_~i~0_11 7) (<= .cse4 7) (<= .cse4 8) (<= (+ v_main_~i~0_11 2) main_~i~0) (<= (+ v_main_~i~0_11 .cse3 2) main_~i~0) (<= main_~i~0 9) (<= main_~i~0 10)))) (and (= main_~sn~0 v_main_~sn~0_10) (= v_main_~i~0_11 main_~i~0)) (let ((.cse5 (+ v_main_~i~0_11 1))) (and (<= main_~i~0 .cse5) (<= main_~sn~0 .cse1) (<= .cse1 main_~sn~0) (<= .cse0 16) (<= .cse5 main_~i~0)))) (<= .cse1 .cse0)))) [2020-08-22 19:45:52,889 INFO L264 CegarLoopResult]: At program point L13-7(lines 13 15) the Hoare annotation is: (and (< 8 main_~i~0) (<= main_~i~0 9) (exists ((v_main_~sn~0_10 Int) (v_main_~i~0_11 Int)) (let ((.cse1 (+ v_main_~sn~0_10 2)) (.cse0 (* 2 v_main_~i~0_11))) (and (<= v_main_~i~0_11 1) (<= .cse0 .cse1) (or (and (= (+ v_main_~i~0_11 1) main_~i~0) (= main_~sn~0 .cse1)) (let ((.cse2 (+ v_main_~i~0_11 2)) (.cse3 (+ v_main_~sn~0_10 4))) (and (<= main_~i~0 .cse2) (<= .cse0 16) (<= main_~sn~0 .cse3) (<= .cse2 main_~i~0) (<= .cse3 main_~sn~0))) (let ((.cse5 (div (+ (* main_~sn~0 (- 1)) v_main_~sn~0_10 6) (- 2)))) (let ((.cse4 (div (+ main_~sn~0 (* v_main_~sn~0_10 (- 1)) (- 6)) 2)) (.cse6 (+ .cse5 v_main_~i~0_11))) (and (<= main_~i~0 11) (<= main_~i~0 (+ v_main_~i~0_11 .cse4 3)) (<= (+ v_main_~i~0_11 3) main_~i~0) (<= .cse5 .cse4) (<= (+ .cse5 v_main_~i~0_11 3) main_~i~0) (<= v_main_~i~0_11 8) (<= v_main_~i~0_11 7) (<= .cse6 7) (<= 0 .cse4) (<= .cse6 8) (<= main_~i~0 10))))) (<= .cse1 .cse0))))) [2020-08-22 19:45:52,889 INFO L271 CegarLoopResult]: At program point __VERIFIER_assertENTRY(lines 3 8) the Hoare annotation is: true [2020-08-22 19:45:52,889 INFO L271 CegarLoopResult]: At program point __VERIFIER_assertEXIT(lines 3 8) the Hoare annotation is: true [2020-08-22 19:45:52,889 INFO L264 CegarLoopResult]: At program point L5(line 5) the Hoare annotation is: (= |__VERIFIER_assert_#in~cond| 0) [2020-08-22 19:45:52,890 INFO L264 CegarLoopResult]: At program point L4(lines 4 6) the Hoare annotation is: (or (= |__VERIFIER_assert_#in~cond| 0) (not (= __VERIFIER_assert_~cond 0))) [2020-08-22 19:45:52,890 INFO L264 CegarLoopResult]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) the Hoare annotation is: (= |__VERIFIER_assert_#in~cond| 0) [2020-08-22 19:45:52,890 INFO L271 CegarLoopResult]: At program point L4-2(lines 3 8) the Hoare annotation is: true [2020-08-22 19:45:52,901 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_11,QUANTIFIED] [2020-08-22 19:45:52,902 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_11,QUANTIFIED] [2020-08-22 19:45:52,902 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_10,QUANTIFIED] [2020-08-22 19:45:52,903 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_10,QUANTIFIED] [2020-08-22 19:45:52,903 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_11,QUANTIFIED] [2020-08-22 19:45:52,903 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_10,QUANTIFIED] [2020-08-22 19:45:52,904 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_10,QUANTIFIED] [2020-08-22 19:45:52,904 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_10,QUANTIFIED] [2020-08-22 19:45:52,904 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_11,QUANTIFIED] [2020-08-22 19:45:52,905 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_11,QUANTIFIED] [2020-08-22 19:45:52,905 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_11,QUANTIFIED] [2020-08-22 19:45:52,905 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_10,QUANTIFIED] [2020-08-22 19:45:52,906 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_11,QUANTIFIED] [2020-08-22 19:45:52,906 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_10,QUANTIFIED] [2020-08-22 19:45:52,906 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_11,QUANTIFIED] [2020-08-22 19:45:52,906 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_11,QUANTIFIED] [2020-08-22 19:45:52,907 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_10,QUANTIFIED] [2020-08-22 19:45:52,907 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_10,QUANTIFIED] [2020-08-22 19:45:52,907 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_11,QUANTIFIED] [2020-08-22 19:45:52,907 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_11,QUANTIFIED] [2020-08-22 19:45:52,908 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_10,QUANTIFIED] [2020-08-22 19:45:52,908 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_10,QUANTIFIED] [2020-08-22 19:45:52,908 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_11,QUANTIFIED] [2020-08-22 19:45:52,908 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_11,QUANTIFIED] [2020-08-22 19:45:52,909 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_10,QUANTIFIED] [2020-08-22 19:45:52,909 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_11,QUANTIFIED] [2020-08-22 19:45:52,917 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_11,QUANTIFIED] [2020-08-22 19:45:52,917 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_11,QUANTIFIED] [2020-08-22 19:45:52,917 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_10,QUANTIFIED] [2020-08-22 19:45:52,917 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_10,QUANTIFIED] [2020-08-22 19:45:52,918 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_11,QUANTIFIED] [2020-08-22 19:45:52,918 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_10,QUANTIFIED] [2020-08-22 19:45:52,918 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_10,QUANTIFIED] [2020-08-22 19:45:52,919 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_10,QUANTIFIED] [2020-08-22 19:45:52,919 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_11,QUANTIFIED] [2020-08-22 19:45:52,919 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_11,QUANTIFIED] [2020-08-22 19:45:52,920 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_11,QUANTIFIED] [2020-08-22 19:45:52,920 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_10,QUANTIFIED] [2020-08-22 19:45:52,920 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_11,QUANTIFIED] [2020-08-22 19:45:52,921 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_10,QUANTIFIED] [2020-08-22 19:45:52,921 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_11,QUANTIFIED] [2020-08-22 19:45:52,921 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_11,QUANTIFIED] [2020-08-22 19:45:52,921 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_10,QUANTIFIED] [2020-08-22 19:45:52,922 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_10,QUANTIFIED] [2020-08-22 19:45:52,922 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_11,QUANTIFIED] [2020-08-22 19:45:52,922 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_11,QUANTIFIED] [2020-08-22 19:45:52,922 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_10,QUANTIFIED] [2020-08-22 19:45:52,923 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_10,QUANTIFIED] [2020-08-22 19:45:52,923 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_11,QUANTIFIED] [2020-08-22 19:45:52,923 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_11,QUANTIFIED] [2020-08-22 19:45:52,923 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_10,QUANTIFIED] [2020-08-22 19:45:52,924 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_11,QUANTIFIED] [2020-08-22 19:45:52,927 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 07:45:52 BoogieIcfgContainer [2020-08-22 19:45:52,927 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 19:45:52,930 INFO L168 Benchmark]: Toolchain (without parser) took 9119.13 ms. Allocated memory was 139.5 MB in the beginning and 233.8 MB in the end (delta: 94.4 MB). Free memory was 103.9 MB in the beginning and 142.6 MB in the end (delta: -38.7 MB). Peak memory consumption was 55.6 MB. Max. memory is 7.1 GB. [2020-08-22 19:45:52,931 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 139.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-08-22 19:45:52,932 INFO L168 Benchmark]: CACSL2BoogieTranslator took 287.48 ms. Allocated memory is still 139.5 MB. Free memory was 103.6 MB in the beginning and 93.9 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2020-08-22 19:45:52,933 INFO L168 Benchmark]: Boogie Preprocessor took 108.73 ms. Allocated memory was 139.5 MB in the beginning and 201.9 MB in the end (delta: 62.4 MB). Free memory was 93.9 MB in the beginning and 180.6 MB in the end (delta: -86.7 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. [2020-08-22 19:45:52,934 INFO L168 Benchmark]: RCFGBuilder took 216.85 ms. Allocated memory is still 201.9 MB. Free memory was 180.6 MB in the beginning and 169.2 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. [2020-08-22 19:45:52,935 INFO L168 Benchmark]: TraceAbstraction took 8501.03 ms. Allocated memory was 201.9 MB in the beginning and 233.8 MB in the end (delta: 32.0 MB). Free memory was 169.2 MB in the beginning and 142.6 MB in the end (delta: 26.6 MB). Peak memory consumption was 58.6 MB. Max. memory is 7.1 GB. [2020-08-22 19:45:52,940 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 139.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 287.48 ms. Allocated memory is still 139.5 MB. Free memory was 103.6 MB in the beginning and 93.9 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 108.73 ms. Allocated memory was 139.5 MB in the beginning and 201.9 MB in the end (delta: 62.4 MB). Free memory was 93.9 MB in the beginning and 180.6 MB in the end (delta: -86.7 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 216.85 ms. Allocated memory is still 201.9 MB. Free memory was 180.6 MB in the beginning and 169.2 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 8501.03 ms. Allocated memory was 201.9 MB in the beginning and 233.8 MB in the end (delta: 32.0 MB). Free memory was 169.2 MB in the beginning and 142.6 MB in the end (delta: 26.6 MB). Peak memory consumption was 58.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_11,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 13]: Loop Invariant [2020-08-22 19:45:52,953 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_11,QUANTIFIED] [2020-08-22 19:45:52,953 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_11,QUANTIFIED] [2020-08-22 19:45:52,953 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_10,QUANTIFIED] [2020-08-22 19:45:52,953 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_10,QUANTIFIED] [2020-08-22 19:45:52,957 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_11,QUANTIFIED] [2020-08-22 19:45:52,957 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_10,QUANTIFIED] [2020-08-22 19:45:52,957 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_10,QUANTIFIED] [2020-08-22 19:45:52,958 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_10,QUANTIFIED] [2020-08-22 19:45:52,958 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_11,QUANTIFIED] [2020-08-22 19:45:52,958 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_11,QUANTIFIED] [2020-08-22 19:45:52,958 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_11,QUANTIFIED] [2020-08-22 19:45:52,959 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_10,QUANTIFIED] [2020-08-22 19:45:52,962 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_11,QUANTIFIED] [2020-08-22 19:45:52,962 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_10,QUANTIFIED] [2020-08-22 19:45:52,963 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_11,QUANTIFIED] [2020-08-22 19:45:52,963 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_11,QUANTIFIED] [2020-08-22 19:45:52,963 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_10,QUANTIFIED] [2020-08-22 19:45:52,963 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_10,QUANTIFIED] [2020-08-22 19:45:52,963 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_11,QUANTIFIED] [2020-08-22 19:45:52,964 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_11,QUANTIFIED] [2020-08-22 19:45:52,964 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_10,QUANTIFIED] [2020-08-22 19:45:52,964 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_10,QUANTIFIED] [2020-08-22 19:45:52,964 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_11,QUANTIFIED] [2020-08-22 19:45:52,964 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_11,QUANTIFIED] [2020-08-22 19:45:52,965 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_10,QUANTIFIED] [2020-08-22 19:45:52,965 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_11,QUANTIFIED] [2020-08-22 19:45:52,966 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_11,QUANTIFIED] [2020-08-22 19:45:52,966 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_11,QUANTIFIED] [2020-08-22 19:45:52,966 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_10,QUANTIFIED] [2020-08-22 19:45:52,966 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_10,QUANTIFIED] [2020-08-22 19:45:52,966 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_11,QUANTIFIED] [2020-08-22 19:45:52,967 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_10,QUANTIFIED] [2020-08-22 19:45:52,967 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_10,QUANTIFIED] [2020-08-22 19:45:52,967 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_10,QUANTIFIED] [2020-08-22 19:45:52,967 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_11,QUANTIFIED] [2020-08-22 19:45:52,968 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_11,QUANTIFIED] [2020-08-22 19:45:52,968 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_11,QUANTIFIED] [2020-08-22 19:45:52,968 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_10,QUANTIFIED] [2020-08-22 19:45:52,968 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_11,QUANTIFIED] [2020-08-22 19:45:52,969 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_10,QUANTIFIED] [2020-08-22 19:45:52,969 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_11,QUANTIFIED] [2020-08-22 19:45:52,969 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_11,QUANTIFIED] [2020-08-22 19:45:52,969 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_10,QUANTIFIED] [2020-08-22 19:45:52,970 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_10,QUANTIFIED] [2020-08-22 19:45:52,970 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_11,QUANTIFIED] [2020-08-22 19:45:52,970 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_11,QUANTIFIED] [2020-08-22 19:45:52,970 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_10,QUANTIFIED] [2020-08-22 19:45:52,970 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_10,QUANTIFIED] [2020-08-22 19:45:52,971 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_11,QUANTIFIED] [2020-08-22 19:45:52,971 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_11,QUANTIFIED] [2020-08-22 19:45:52,971 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_10,QUANTIFIED] [2020-08-22 19:45:52,971 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_11,QUANTIFIED] Derived loop invariant: (\exists v_main_~sn~0_10 : int, v_main_~i~0_11 : int :: ((v_main_~i~0_11 <= 1 && 2 * v_main_~i~0_11 <= v_main_~sn~0_10 + 2) && ((((((((((((i <= (sn + v_main_~sn~0_10 * -1 + -4) / 2 + v_main_~i~0_11 + 2 && 0 <= (sn + v_main_~sn~0_10 * -1 + -4) / 2) && (sn * -1 + v_main_~sn~0_10 + 4) / -2 <= (sn + v_main_~sn~0_10 * -1 + -4) / 2) && v_main_~i~0_11 <= 8) && v_main_~i~0_11 <= 7) && v_main_~i~0_11 + (sn * -1 + v_main_~sn~0_10 + 4) / -2 <= 7) && v_main_~i~0_11 + (sn * -1 + v_main_~sn~0_10 + 4) / -2 <= 8) && v_main_~i~0_11 + 2 <= i) && v_main_~i~0_11 + (sn * -1 + v_main_~sn~0_10 + 4) / -2 + 2 <= i) && i <= 9) && i <= 10) || (sn == v_main_~sn~0_10 && v_main_~i~0_11 == i)) || ((((i <= v_main_~i~0_11 + 1 && sn <= v_main_~sn~0_10 + 2) && v_main_~sn~0_10 + 2 <= sn) && 2 * v_main_~i~0_11 <= 16) && v_main_~i~0_11 + 1 <= i))) && v_main_~sn~0_10 + 2 <= 2 * v_main_~i~0_11) - ProcedureContractResult [Line: 11]: Procedure Contract for main Derived contract for procedure main: 1 - ProcedureContractResult [Line: 3]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 23 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 8.1s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 47 SDtfs, 13 SDslu, 55 SDs, 0 SdLazy, 54 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 13 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 5.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred 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, 3 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 23 LocationsWithAnnotation, 35 PreInvPairs, 46 NumberOfFragments, 963 HoareAnnotationTreeSize, 35 FomulaSimplifications, 159 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 23 FomulaSimplificationsInter, 161 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: No data available, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...