/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/bitvector/jain_2-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-72570d3 [2020-08-22 18:32:53,367 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 18:32:53,371 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 18:32:53,402 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-08-22 18:32:53,425 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 18:32:53,427 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 18:32:53,429 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 18:32:53,431 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 18:32:53,432 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 18:32:53,433 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 18:32:53,435 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 18:32:53,442 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 18:32:53,445 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 18:32:53,445 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 18:32:53,446 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 18:32:53,447 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 18:32:53,459 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-22 18:32:53,476 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 18:32:53,477 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 18:32:53,478 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 18:32:53,479 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 18:32:53,493 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 18:32:53,494 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 18:32:53,495 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 18:32:53,495 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 18:32:53,496 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 18:32:53,496 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 18:32:53,496 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 18:32:53,496 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 18:32:53,496 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 18:32:53,497 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 18:32:53,497 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 18:32:53,498 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 18:32:53,498 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 18:32:53,498 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 18:32:53,499 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 18:32:53,499 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-08-22 18:32:53,499 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 18:32:53,499 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 18:32:53,499 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 18:32:53,499 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 18:32:53,500 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-08-22 18:32:53,500 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 18:32:53,500 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-08-22 18:32:53,810 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 18:32:53,822 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 18:32:53,825 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 18:32:53,827 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 18:32:53,827 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 18:32:53,828 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/bitvector/jain_2-1.c [2020-08-22 18:32:53,896 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fda7a6895/6f3934f90cac463f9bd2259574401426/FLAGafdd7df25 [2020-08-22 18:32:54,286 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 18:32:54,287 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/bitvector/jain_2-1.c [2020-08-22 18:32:54,293 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fda7a6895/6f3934f90cac463f9bd2259574401426/FLAGafdd7df25 [2020-08-22 18:32:54,735 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fda7a6895/6f3934f90cac463f9bd2259574401426 [2020-08-22 18:32:54,743 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 18:32:54,744 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 18:32:54,746 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 18:32:54,746 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 18:32:54,750 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 18:32:54,751 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 06:32:54" (1/1) ... [2020-08-22 18:32:54,755 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5530b36d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:32:54, skipping insertion in model container [2020-08-22 18:32:54,755 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 06:32:54" (1/1) ... [2020-08-22 18:32:54,763 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 18:32:54,783 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 18:32:54,941 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 18:32:54,945 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 18:32:54,957 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 18:32:54,970 INFO L208 MainTranslator]: Completed translation [2020-08-22 18:32:54,970 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:32:54 WrapperNode [2020-08-22 18:32:54,970 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 18:32:54,971 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 18:32:54,971 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 18:32:54,971 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 18:32:54,980 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:32:54" (1/1) ... [2020-08-22 18:32:54,981 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:32:54" (1/1) ... [2020-08-22 18:32:54,985 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:32:54" (1/1) ... [2020-08-22 18:32:54,985 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:32:54" (1/1) ... [2020-08-22 18:32:55,063 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:32:54" (1/1) ... [2020-08-22 18:32:55,067 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:32:54" (1/1) ... [2020-08-22 18:32:55,068 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:32:54" (1/1) ... [2020-08-22 18:32:55,070 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 18:32:55,070 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 18:32:55,070 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 18:32:55,070 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 18:32:55,073 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:32:54" (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 18:32:55,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 18:32:55,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 18:32:55,128 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-08-22 18:32:55,128 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 18:32:55,129 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 18:32:55,129 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-08-22 18:32:55,129 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-08-22 18:32:55,129 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 18:32:55,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 18:32:55,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 18:32:55,291 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 18:32:55,292 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-22 18:32:55,296 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 06:32:55 BoogieIcfgContainer [2020-08-22 18:32:55,296 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 18:32:55,297 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 18:32:55,297 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 18:32:55,300 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 18:32:55,301 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 06:32:54" (1/3) ... [2020-08-22 18:32:55,302 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e59b895 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 06:32:55, skipping insertion in model container [2020-08-22 18:32:55,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:32:54" (2/3) ... [2020-08-22 18:32:55,302 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e59b895 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 06:32:55, skipping insertion in model container [2020-08-22 18:32:55,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 06:32:55" (3/3) ... [2020-08-22 18:32:55,304 INFO L109 eAbstractionObserver]: Analyzing ICFG jain_2-1.c [2020-08-22 18:32:55,315 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-22 18:32:55,322 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 18:32:55,336 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 18:32:55,358 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 18:32:55,358 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 18:32:55,359 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-08-22 18:32:55,359 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 18:32:55,359 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 18:32:55,359 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 18:32:55,359 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 18:32:55,359 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 18:32:55,373 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states. [2020-08-22 18:32:55,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-08-22 18:32:55,383 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:32:55,384 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 18:32:55,384 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:32:55,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:32:55,390 INFO L82 PathProgramCache]: Analyzing trace with hash -926636985, now seen corresponding path program 1 times [2020-08-22 18:32:55,397 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:32:55,397 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [406470348] [2020-08-22 18:32:55,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:32:55,447 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:32:55,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:32:55,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:32:55,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:32:55,710 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 18:32:55,713 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [406470348] [2020-08-22 18:32:55,715 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 18:32:55,715 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-22 18:32:55,716 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930152668] [2020-08-22 18:32:55,723 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 18:32:55,723 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 18:32:55,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 18:32:55,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-08-22 18:32:55,746 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 8 states. [2020-08-22 18:32:56,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 18:32:56,037 INFO L93 Difference]: Finished difference Result 37 states and 45 transitions. [2020-08-22 18:32:56,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-22 18:32:56,040 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 17 [2020-08-22 18:32:56,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 18:32:56,049 INFO L225 Difference]: With dead ends: 37 [2020-08-22 18:32:56,050 INFO L226 Difference]: Without dead ends: 0 [2020-08-22 18:32:56,055 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-08-22 18:32:56,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-22 18:32:56,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-22 18:32:56,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-22 18:32:56,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-22 18:32:56,078 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2020-08-22 18:32:56,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 18:32:56,079 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-22 18:32:56,079 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 18:32:56,079 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-22 18:32:56,079 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-22 18:32:56,080 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 18:32:56,082 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-22 18:32:56,229 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-08-22 18:32:56,229 INFO L271 CegarLoopResult]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2020-08-22 18:32:56,229 INFO L264 CegarLoopResult]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: false [2020-08-22 18:32:56,230 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-08-22 18:32:56,230 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-22 18:32:56,230 INFO L264 CegarLoopResult]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: false [2020-08-22 18:32:56,230 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 10 26) the Hoare annotation is: true [2020-08-22 18:32:56,230 INFO L264 CegarLoopResult]: At program point mainEXIT(lines 10 26) the Hoare annotation is: false [2020-08-22 18:32:56,231 INFO L264 CegarLoopResult]: At program point L23(line 23) the Hoare annotation is: (<= (+ main_~x~0 2) (+ main_~y~0 (* 2 (div (+ main_~x~0 (* main_~y~0 (- 1)) 2) 2)))) [2020-08-22 18:32:56,231 INFO L264 CegarLoopResult]: At program point L23-1(lines 17 24) the Hoare annotation is: (<= (+ main_~x~0 2) (+ main_~y~0 (* 2 (div (+ main_~x~0 (* main_~y~0 (- 1)) 2) 2)))) [2020-08-22 18:32:56,231 INFO L264 CegarLoopResult]: At program point L20(line 20) the Hoare annotation is: (<= (+ main_~x~0 2) (+ main_~y~0 (* 2 (div (+ main_~x~0 (* main_~y~0 (- 1)) 2) 2)))) [2020-08-22 18:32:56,232 INFO L264 CegarLoopResult]: At program point L19(line 19) the Hoare annotation is: (<= (+ main_~x~0 2) (+ main_~y~0 (* 2 (div (+ main_~x~0 (* main_~y~0 (- 1)) 2) 2)))) [2020-08-22 18:32:56,232 INFO L264 CegarLoopResult]: At program point L20-1(line 20) the Hoare annotation is: (<= (+ main_~x~0 2) (+ main_~y~0 (* 2 (div (+ main_~x~0 (* main_~y~0 (- 1)) 2) 2)))) [2020-08-22 18:32:56,232 INFO L264 CegarLoopResult]: At program point L19-1(line 19) the Hoare annotation is: (<= (+ main_~x~0 2) (+ main_~y~0 (* 2 (div (+ main_~x~0 (* main_~y~0 (- 1)) 2) 2)))) [2020-08-22 18:32:56,232 INFO L264 CegarLoopResult]: At program point L15(line 15) the Hoare annotation is: (and (<= 1 main_~x~0) (<= main_~x~0 1)) [2020-08-22 18:32:56,233 INFO L264 CegarLoopResult]: At program point L17-2(lines 17 24) the Hoare annotation is: false [2020-08-22 18:32:56,233 INFO L271 CegarLoopResult]: At program point L14(line 14) the Hoare annotation is: true [2020-08-22 18:32:56,233 INFO L264 CegarLoopResult]: At program point mainFINAL(lines 10 26) the Hoare annotation is: false [2020-08-22 18:32:56,233 INFO L271 CegarLoopResult]: At program point L12(line 12) the Hoare annotation is: true [2020-08-22 18:32:56,234 INFO L271 CegarLoopResult]: At program point __VERIFIER_assertENTRY(lines 4 9) the Hoare annotation is: true [2020-08-22 18:32:56,234 INFO L264 CegarLoopResult]: At program point __VERIFIER_assertEXIT(lines 4 9) the Hoare annotation is: (or (= |__VERIFIER_assert_#in~cond| 0) (not (= __VERIFIER_assert_~cond 0))) [2020-08-22 18:32:56,234 INFO L264 CegarLoopResult]: At program point L6(line 6) the Hoare annotation is: (= |__VERIFIER_assert_#in~cond| 0) [2020-08-22 18:32:56,235 INFO L264 CegarLoopResult]: At program point L5(lines 5 7) the Hoare annotation is: (or (= |__VERIFIER_assert_#in~cond| 0) (not (= __VERIFIER_assert_~cond 0))) [2020-08-22 18:32:56,235 INFO L264 CegarLoopResult]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) the Hoare annotation is: (= |__VERIFIER_assert_#in~cond| 0) [2020-08-22 18:32:56,235 INFO L264 CegarLoopResult]: At program point L5-2(lines 4 9) the Hoare annotation is: (or (= |__VERIFIER_assert_#in~cond| 0) (not (= __VERIFIER_assert_~cond 0))) [2020-08-22 18:32:56,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 06:32:56 BoogieIcfgContainer [2020-08-22 18:32:56,256 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 18:32:56,259 INFO L168 Benchmark]: Toolchain (without parser) took 1513.38 ms. Allocated memory was 139.5 MB in the beginning and 202.9 MB in the end (delta: 63.4 MB). Free memory was 103.7 MB in the beginning and 116.4 MB in the end (delta: -12.7 MB). Peak memory consumption was 50.7 MB. Max. memory is 7.1 GB. [2020-08-22 18:32:56,260 INFO L168 Benchmark]: CDTParser took 0.17 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 18:32:56,261 INFO L168 Benchmark]: CACSL2BoogieTranslator took 224.79 ms. Allocated memory is still 139.5 MB. Free memory was 103.5 MB in the beginning and 94.3 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2020-08-22 18:32:56,263 INFO L168 Benchmark]: Boogie Preprocessor took 98.97 ms. Allocated memory was 139.5 MB in the beginning and 202.9 MB in the end (delta: 63.4 MB). Free memory was 94.3 MB in the beginning and 181.9 MB in the end (delta: -87.7 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. [2020-08-22 18:32:56,264 INFO L168 Benchmark]: RCFGBuilder took 225.98 ms. Allocated memory is still 202.9 MB. Free memory was 181.9 MB in the beginning and 170.1 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. [2020-08-22 18:32:56,264 INFO L168 Benchmark]: TraceAbstraction took 958.86 ms. Allocated memory is still 202.9 MB. Free memory was 170.1 MB in the beginning and 116.4 MB in the end (delta: 53.6 MB). Peak memory consumption was 53.6 MB. Max. memory is 7.1 GB. [2020-08-22 18:32:56,269 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 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 224.79 ms. Allocated memory is still 139.5 MB. Free memory was 103.5 MB in the beginning and 94.3 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 98.97 ms. Allocated memory was 139.5 MB in the beginning and 202.9 MB in the end (delta: 63.4 MB). Free memory was 94.3 MB in the beginning and 181.9 MB in the end (delta: -87.7 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 225.98 ms. Allocated memory is still 202.9 MB. Free memory was 181.9 MB in the beginning and 170.1 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 958.86 ms. Allocated memory is still 202.9 MB. Free memory was 170.1 MB in the beginning and 116.4 MB in the end (delta: 53.6 MB). Peak memory consumption was 53.6 MB. 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 - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: x + 2 <= y + 2 * ((x + y * -1 + 2) / 2) - ProcedureContractResult [Line: 10]: Procedure Contract for main Derived contract for procedure main: 0 - ProcedureContractResult [Line: 4]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert: \old(cond) == 0 || !(cond == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 25 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 13 SDtfs, 11 SDslu, 54 SDs, 0 SdLazy, 35 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 25 LocationsWithAnnotation, 31 PreInvPairs, 41 NumberOfFragments, 146 HoareAnnotationTreeSize, 31 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 25 FomulaSimplificationsInter, 51 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...