/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/loop-invariants/const.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-72570d3 [2020-08-22 19:50:20,982 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 19:50:20,984 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 19:50:21,025 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 19:50:21,025 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 19:50:21,033 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 19:50:21,036 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 19:50:21,040 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 19:50:21,041 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 19:50:21,046 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 19:50:21,047 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 19:50:21,050 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 19:50:21,050 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 19:50:21,051 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 19:50:21,054 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 19:50:21,056 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 19:50:21,058 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 19:50:21,061 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 19:50:21,064 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 19:50:21,071 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 19:50:21,073 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 19:50:21,074 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 19:50:21,076 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 19:50:21,077 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 19:50:21,090 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-22 19:50:21,090 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-22 19:50:21,090 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-22 19:50:21,091 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-22 19:50:21,092 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-22 19:50:21,095 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-22 19:50:21,096 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-22 19:50:21,096 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-22 19:50:21,097 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-22 19:50:21,098 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-22 19:50:21,099 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-22 19:50:21,099 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-22 19:50:21,100 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-22 19:50:21,101 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-22 19:50:21,101 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 19:50:21,102 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 19:50:21,104 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 19:50:21,105 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 19:50:21,123 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 19:50:21,123 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 19:50:21,126 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 19:50:21,126 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 19:50:21,126 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 19:50:21,126 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 19:50:21,126 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 19:50:21,127 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 19:50:21,127 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 19:50:21,127 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 19:50:21,128 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 19:50:21,128 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 19:50:21,129 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 19:50:21,129 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 19:50:21,129 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 19:50:21,130 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-08-22 19:50:21,130 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 19:50:21,130 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 19:50:21,130 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 19:50:21,130 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 19:50:21,131 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-08-22 19:50:21,131 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 19:50:21,131 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-08-22 19:50:21,465 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 19:50:21,477 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 19:50:21,480 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 19:50:21,482 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 19:50:21,483 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 19:50:21,483 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invariants/const.c [2020-08-22 19:50:21,554 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81da87835/a0d703fa404946109a12f72246ece593/FLAG94028b4a2 [2020-08-22 19:50:22,041 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 19:50:22,042 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invariants/const.c [2020-08-22 19:50:22,049 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81da87835/a0d703fa404946109a12f72246ece593/FLAG94028b4a2 [2020-08-22 19:50:22,399 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81da87835/a0d703fa404946109a12f72246ece593 [2020-08-22 19:50:22,408 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 19:50:22,410 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 19:50:22,411 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 19:50:22,412 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 19:50:22,415 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 19:50:22,416 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 07:50:22" (1/1) ... [2020-08-22 19:50:22,419 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33a7e104 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:50:22, skipping insertion in model container [2020-08-22 19:50:22,419 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 07:50:22" (1/1) ... [2020-08-22 19:50:22,427 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 19:50:22,442 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 19:50:22,605 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 19:50:22,609 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 19:50:22,624 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 19:50:22,638 INFO L208 MainTranslator]: Completed translation [2020-08-22 19:50:22,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:50:22 WrapperNode [2020-08-22 19:50:22,639 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 19:50:22,639 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 19:50:22,640 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 19:50:22,640 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 19:50:22,651 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:50:22" (1/1) ... [2020-08-22 19:50:22,652 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:50:22" (1/1) ... [2020-08-22 19:50:22,656 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:50:22" (1/1) ... [2020-08-22 19:50:22,656 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:50:22" (1/1) ... [2020-08-22 19:50:22,659 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:50:22" (1/1) ... [2020-08-22 19:50:22,667 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:50:22" (1/1) ... [2020-08-22 19:50:22,668 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:50:22" (1/1) ... [2020-08-22 19:50:22,747 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 19:50:22,748 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 19:50:22,748 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 19:50:22,748 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 19:50:22,749 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:50:22" (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 19:50:22,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 19:50:22,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 19:50:22,826 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-08-22 19:50:22,827 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 19:50:22,827 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 19:50:22,827 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-08-22 19:50:22,827 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-08-22 19:50:22,827 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 19:50:22,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 19:50:22,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 19:50:23,002 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 19:50:23,003 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-22 19:50:23,007 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 07:50:23 BoogieIcfgContainer [2020-08-22 19:50:23,007 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 19:50:23,009 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 19:50:23,009 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 19:50:23,012 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 19:50:23,012 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 07:50:22" (1/3) ... [2020-08-22 19:50:23,013 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@690c361c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 07:50:23, skipping insertion in model container [2020-08-22 19:50:23,013 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:50:22" (2/3) ... [2020-08-22 19:50:23,014 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@690c361c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 07:50:23, skipping insertion in model container [2020-08-22 19:50:23,014 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 07:50:23" (3/3) ... [2020-08-22 19:50:23,016 INFO L109 eAbstractionObserver]: Analyzing ICFG const.c [2020-08-22 19:50:23,027 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-22 19:50:23,035 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 19:50:23,056 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 19:50:23,100 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 19:50:23,100 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 19:50:23,101 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-08-22 19:50:23,101 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 19:50:23,101 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 19:50:23,101 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 19:50:23,102 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 19:50:23,102 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 19:50:23,128 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states. [2020-08-22 19:50:23,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-08-22 19:50:23,139 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 19:50:23,140 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 19:50:23,141 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 19:50:23,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 19:50:23,149 INFO L82 PathProgramCache]: Analyzing trace with hash 830498166, now seen corresponding path program 1 times [2020-08-22 19:50:23,159 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 19:50:23,160 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [116062872] [2020-08-22 19:50:23,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 19:50:23,219 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 19:50:23,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:50:23,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 19:50:23,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:50:23,409 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 19:50:23,412 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [116062872] [2020-08-22 19:50:23,417 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 19:50:23,418 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-22 19:50:23,418 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431384802] [2020-08-22 19:50:23,425 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-22 19:50:23,426 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 19:50:23,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-22 19:50:23,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-08-22 19:50:23,440 INFO L87 Difference]: Start difference. First operand 27 states. Second operand 5 states. [2020-08-22 19:50:23,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 19:50:23,528 INFO L93 Difference]: Finished difference Result 44 states and 53 transitions. [2020-08-22 19:50:23,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-22 19:50:23,531 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-08-22 19:50:23,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 19:50:23,538 INFO L225 Difference]: With dead ends: 44 [2020-08-22 19:50:23,539 INFO L226 Difference]: Without dead ends: 0 [2020-08-22 19:50:23,543 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-08-22 19:50:23,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-22 19:50:23,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-22 19:50:23,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-22 19:50:23,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-22 19:50:23,572 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2020-08-22 19:50:23,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 19:50:23,573 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-22 19:50:23,573 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-22 19:50:23,573 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-22 19:50:23,573 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-22 19:50:23,574 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 19:50:23,576 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-22 19:50:23,759 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-08-22 19:50:23,760 INFO L271 CegarLoopResult]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2020-08-22 19:50:23,760 INFO L271 CegarLoopResult]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2020-08-22 19:50:23,760 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-08-22 19:50:23,760 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-22 19:50:23,762 INFO L271 CegarLoopResult]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2020-08-22 19:50:23,762 INFO L264 CegarLoopResult]: At program point mainEXIT(lines 9 20) the Hoare annotation is: (= main_~s~0 (* 4294967296 (div main_~s~0 4294967296))) [2020-08-22 19:50:23,763 INFO L264 CegarLoopResult]: At program point L15(line 15) the Hoare annotation is: (= main_~s~0 (* 4294967296 (div main_~s~0 4294967296))) [2020-08-22 19:50:23,764 INFO L264 CegarLoopResult]: At program point L15-1(line 15) the Hoare annotation is: (= main_~s~0 (* 4294967296 (div main_~s~0 4294967296))) [2020-08-22 19:50:23,764 INFO L264 CegarLoopResult]: At program point L13(line 13) the Hoare annotation is: false [2020-08-22 19:50:23,764 INFO L264 CegarLoopResult]: At program point L15-2(lines 11 18) the Hoare annotation is: (= main_~s~0 (* 4294967296 (div main_~s~0 4294967296))) [2020-08-22 19:50:23,765 INFO L264 CegarLoopResult]: At program point mainFINAL(lines 9 20) the Hoare annotation is: (= main_~s~0 (* 4294967296 (div main_~s~0 4294967296))) [2020-08-22 19:50:23,765 INFO L264 CegarLoopResult]: At program point L13-1(line 13) the Hoare annotation is: false [2020-08-22 19:50:23,765 INFO L264 CegarLoopResult]: At program point L13-2(line 13) the Hoare annotation is: false [2020-08-22 19:50:23,765 INFO L264 CegarLoopResult]: At program point L11-1(line 11) the Hoare annotation is: (= main_~s~0 (* 4294967296 (div main_~s~0 4294967296))) [2020-08-22 19:50:23,766 INFO L264 CegarLoopResult]: At program point L11-3(line 11) the Hoare annotation is: (= main_~s~0 (* 4294967296 (div main_~s~0 4294967296))) [2020-08-22 19:50:23,767 INFO L264 CegarLoopResult]: At program point L11-4(lines 11 18) the Hoare annotation is: (= main_~s~0 (* 4294967296 (div main_~s~0 4294967296))) [2020-08-22 19:50:23,768 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 9 20) the Hoare annotation is: true [2020-08-22 19:50:23,768 INFO L264 CegarLoopResult]: At program point L16(line 16) the Hoare annotation is: (= main_~s~0 (* 4294967296 (div main_~s~0 4294967296))) [2020-08-22 19:50:23,770 INFO L264 CegarLoopResult]: At program point L12(lines 12 14) the Hoare annotation is: (= main_~s~0 (* 4294967296 (div main_~s~0 4294967296))) [2020-08-22 19:50:23,770 INFO L264 CegarLoopResult]: At program point L12-2(lines 11 18) the Hoare annotation is: (= main_~s~0 (* 4294967296 (div main_~s~0 4294967296))) [2020-08-22 19:50:23,771 INFO L271 CegarLoopResult]: At program point __VERIFIER_assertENTRY(lines 3 8) the Hoare annotation is: true [2020-08-22 19:50:23,772 INFO L264 CegarLoopResult]: At program point __VERIFIER_assertEXIT(lines 3 8) the Hoare annotation is: (or (= |__VERIFIER_assert_#in~cond| 0) (not (= __VERIFIER_assert_~cond 0))) [2020-08-22 19:50:23,772 INFO L264 CegarLoopResult]: At program point L5(line 5) the Hoare annotation is: (= |__VERIFIER_assert_#in~cond| 0) [2020-08-22 19:50:23,772 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 19:50:23,773 INFO L264 CegarLoopResult]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) the Hoare annotation is: (= |__VERIFIER_assert_#in~cond| 0) [2020-08-22 19:50:23,773 INFO L264 CegarLoopResult]: At program point L4-2(lines 3 8) the Hoare annotation is: (or (= |__VERIFIER_assert_#in~cond| 0) (not (= __VERIFIER_assert_~cond 0))) [2020-08-22 19:50:23,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 07:50:23 BoogieIcfgContainer [2020-08-22 19:50:23,802 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 19:50:23,805 INFO L168 Benchmark]: Toolchain (without parser) took 1393.73 ms. Allocated memory was 142.1 MB in the beginning and 203.9 MB in the end (delta: 61.9 MB). Free memory was 106.4 MB in the beginning and 130.1 MB in the end (delta: -23.7 MB). Peak memory consumption was 38.1 MB. Max. memory is 7.1 GB. [2020-08-22 19:50:23,807 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 142.1 MB. Free memory was 124.6 MB in the beginning and 124.2 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. [2020-08-22 19:50:23,809 INFO L168 Benchmark]: CACSL2BoogieTranslator took 227.81 ms. Allocated memory is still 142.1 MB. Free memory was 106.0 MB in the beginning and 96.3 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2020-08-22 19:50:23,811 INFO L168 Benchmark]: Boogie Preprocessor took 107.92 ms. Allocated memory was 142.1 MB in the beginning and 203.9 MB in the end (delta: 61.9 MB). Free memory was 96.3 MB in the beginning and 183.7 MB in the end (delta: -87.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 7.1 GB. [2020-08-22 19:50:23,813 INFO L168 Benchmark]: RCFGBuilder took 259.69 ms. Allocated memory is still 203.9 MB. Free memory was 183.7 MB in the beginning and 171.5 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 7.1 GB. [2020-08-22 19:50:23,814 INFO L168 Benchmark]: TraceAbstraction took 793.27 ms. Allocated memory is still 203.9 MB. Free memory was 171.5 MB in the beginning and 130.1 MB in the end (delta: 41.4 MB). Peak memory consumption was 41.4 MB. Max. memory is 7.1 GB. [2020-08-22 19:50:23,825 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 142.1 MB. Free memory was 124.6 MB in the beginning and 124.2 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 227.81 ms. Allocated memory is still 142.1 MB. Free memory was 106.0 MB in the beginning and 96.3 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 107.92 ms. Allocated memory was 142.1 MB in the beginning and 203.9 MB in the end (delta: 61.9 MB). Free memory was 96.3 MB in the beginning and 183.7 MB in the end (delta: -87.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 259.69 ms. Allocated memory is still 203.9 MB. Free memory was 183.7 MB in the beginning and 171.5 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 793.27 ms. Allocated memory is still 203.9 MB. Free memory was 171.5 MB in the beginning and 130.1 MB in the end (delta: 41.4 MB). Peak memory consumption was 41.4 MB. Max. memory is 7.1 GB. * 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: 11]: Loop Invariant Derived loop invariant: s == 4294967296 * (s / 4294967296) - ProcedureContractResult [Line: 9]: Procedure Contract for main Derived contract for procedure main: s == 4294967296 * (s / 4294967296) - ProcedureContractResult [Line: 3]: 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, 27 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 19 SDtfs, 13 SDslu, 43 SDs, 0 SdLazy, 10 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=27occurred 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, 27 LocationsWithAnnotation, 33 PreInvPairs, 48 NumberOfFragments, 118 HoareAnnotationTreeSize, 33 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 27 FomulaSimplificationsInter, 15 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...