/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/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loop-acceleration/array_1-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-23 22:07:00,098 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-23 22:07:00,101 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-23 22:07:00,114 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-23 22:07:00,114 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-23 22:07:00,115 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-23 22:07:00,116 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-23 22:07:00,118 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-23 22:07:00,126 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-23 22:07:00,127 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-23 22:07:00,129 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-23 22:07:00,130 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-23 22:07:00,130 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-23 22:07:00,131 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-23 22:07:00,132 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-23 22:07:00,133 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-23 22:07:00,134 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-23 22:07:00,134 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-23 22:07:00,136 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-23 22:07:00,138 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-23 22:07:00,139 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-23 22:07:00,141 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-23 22:07:00,142 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-23 22:07:00,142 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-23 22:07:00,145 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-23 22:07:00,154 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-23 22:07:00,173 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-23 22:07:00,173 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-23 22:07:00,175 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-23 22:07:00,175 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-23 22:07:00,175 INFO L138 SettingsManager]: * Use SBE=true [2019-11-23 22:07:00,175 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-23 22:07:00,176 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-23 22:07:00,176 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-23 22:07:00,176 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-23 22:07:00,176 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-23 22:07:00,176 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-23 22:07:00,177 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-23 22:07:00,177 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-23 22:07:00,178 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-23 22:07:00,178 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-23 22:07:00,178 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-23 22:07:00,178 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-23 22:07:00,179 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-23 22:07:00,179 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-23 22:07:00,179 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-23 22:07:00,179 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-23 22:07:00,180 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-23 22:07:00,180 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-23 22:07:00,180 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-23 22:07:00,180 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-23 22:07:00,180 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-23 22:07:00,181 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-23 22:07:00,181 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-23 22:07:00,182 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-23 22:07:00,182 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-23 22:07:00,445 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-23 22:07:00,459 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-23 22:07:00,463 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-23 22:07:00,464 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-23 22:07:00,465 INFO L275 PluginConnector]: CDTParser initialized [2019-11-23 22:07:00,466 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-acceleration/array_1-2.c [2019-11-23 22:07:00,538 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4dedb947e/6ac033e4b18945e7be59965a01e4e634/FLAGb3e05987c [2019-11-23 22:07:01,009 INFO L306 CDTParser]: Found 1 translation units. [2019-11-23 22:07:01,009 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/array_1-2.c [2019-11-23 22:07:01,016 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4dedb947e/6ac033e4b18945e7be59965a01e4e634/FLAGb3e05987c [2019-11-23 22:07:01,380 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4dedb947e/6ac033e4b18945e7be59965a01e4e634 [2019-11-23 22:07:01,391 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-23 22:07:01,393 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-23 22:07:01,398 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-23 22:07:01,398 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-23 22:07:01,401 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-23 22:07:01,402 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:07:01" (1/1) ... [2019-11-23 22:07:01,406 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@577254a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:07:01, skipping insertion in model container [2019-11-23 22:07:01,406 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:07:01" (1/1) ... [2019-11-23 22:07:01,415 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-23 22:07:01,433 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-23 22:07:01,648 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 22:07:01,652 INFO L203 MainTranslator]: Completed pre-run [2019-11-23 22:07:01,669 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 22:07:01,690 INFO L208 MainTranslator]: Completed translation [2019-11-23 22:07:01,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:07:01 WrapperNode [2019-11-23 22:07:01,691 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-23 22:07:01,692 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-23 22:07:01,692 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-23 22:07:01,692 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-23 22:07:01,701 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:07:01" (1/1) ... [2019-11-23 22:07:01,708 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:07:01" (1/1) ... [2019-11-23 22:07:01,806 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-23 22:07:01,807 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-23 22:07:01,807 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-23 22:07:01,807 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-23 22:07:01,817 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:07:01" (1/1) ... [2019-11-23 22:07:01,817 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:07:01" (1/1) ... [2019-11-23 22:07:01,819 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:07:01" (1/1) ... [2019-11-23 22:07:01,819 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:07:01" (1/1) ... [2019-11-23 22:07:01,824 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:07:01" (1/1) ... [2019-11-23 22:07:01,829 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:07:01" (1/1) ... [2019-11-23 22:07:01,830 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:07:01" (1/1) ... [2019-11-23 22:07:01,838 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-23 22:07:01,838 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-23 22:07:01,839 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-23 22:07:01,839 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-23 22:07:01,840 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:07:01" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-23 22:07:01,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-23 22:07:01,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-23 22:07:01,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-23 22:07:01,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-23 22:07:01,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-23 22:07:01,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-23 22:07:02,101 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-23 22:07:02,102 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-23 22:07:02,109 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:07:02 BoogieIcfgContainer [2019-11-23 22:07:02,109 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-23 22:07:02,111 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-23 22:07:02,111 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-23 22:07:02,120 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-23 22:07:02,121 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 10:07:01" (1/3) ... [2019-11-23 22:07:02,127 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@349ceca7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:07:02, skipping insertion in model container [2019-11-23 22:07:02,127 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:07:01" (2/3) ... [2019-11-23 22:07:02,128 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@349ceca7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:07:02, skipping insertion in model container [2019-11-23 22:07:02,128 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:07:02" (3/3) ... [2019-11-23 22:07:02,133 INFO L109 eAbstractionObserver]: Analyzing ICFG array_1-2.c [2019-11-23 22:07:02,160 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-23 22:07:02,175 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-23 22:07:02,199 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-23 22:07:02,222 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-23 22:07:02,223 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-23 22:07:02,223 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-23 22:07:02,223 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-23 22:07:02,223 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-23 22:07:02,223 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-23 22:07:02,223 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-23 22:07:02,223 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-23 22:07:02,236 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2019-11-23 22:07:02,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-23 22:07:02,243 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 22:07:02,244 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-11-23 22:07:02,245 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 22:07:02,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 22:07:02,255 INFO L82 PathProgramCache]: Analyzing trace with hash 889605037, now seen corresponding path program 1 times [2019-11-23 22:07:02,264 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 22:07:02,265 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341051336] [2019-11-23 22:07:02,266 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 22:07:02,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 22:07:02,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 22:07:02,415 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341051336] [2019-11-23 22:07:02,416 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 22:07:02,416 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-23 22:07:02,417 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794330777] [2019-11-23 22:07:02,422 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-23 22:07:02,422 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 22:07:02,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-23 22:07:02,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 22:07:02,435 INFO L87 Difference]: Start difference. First operand 12 states. Second operand 3 states. [2019-11-23 22:07:02,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 22:07:02,462 INFO L93 Difference]: Finished difference Result 22 states and 26 transitions. [2019-11-23 22:07:02,463 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-23 22:07:02,464 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2019-11-23 22:07:02,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 22:07:02,473 INFO L225 Difference]: With dead ends: 22 [2019-11-23 22:07:02,474 INFO L226 Difference]: Without dead ends: 10 [2019-11-23 22:07:02,477 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 22:07:02,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2019-11-23 22:07:02,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2019-11-23 22:07:02,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2019-11-23 22:07:02,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2019-11-23 22:07:02,505 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 6 [2019-11-23 22:07:02,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 22:07:02,506 INFO L462 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2019-11-23 22:07:02,506 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-23 22:07:02,506 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2019-11-23 22:07:02,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-23 22:07:02,507 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 22:07:02,507 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 22:07:02,508 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 22:07:02,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 22:07:02,508 INFO L82 PathProgramCache]: Analyzing trace with hash 265180975, now seen corresponding path program 1 times [2019-11-23 22:07:02,508 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 22:07:02,509 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626980958] [2019-11-23 22:07:02,509 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 22:07:02,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 22:07:02,568 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 22:07:02,569 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626980958] [2019-11-23 22:07:02,569 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1283792624] [2019-11-23 22:07:02,569 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 22:07:02,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 22:07:02,633 INFO L255 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-23 22:07:02,639 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-23 22:07:02,662 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 22:07:02,663 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-23 22:07:02,663 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2019-11-23 22:07:02,665 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167788779] [2019-11-23 22:07:02,665 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-23 22:07:02,666 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 22:07:02,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-23 22:07:02,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-11-23 22:07:02,667 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand 5 states. [2019-11-23 22:07:02,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 22:07:02,689 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2019-11-23 22:07:02,690 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-23 22:07:02,690 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 8 [2019-11-23 22:07:02,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 22:07:02,691 INFO L225 Difference]: With dead ends: 16 [2019-11-23 22:07:02,691 INFO L226 Difference]: Without dead ends: 12 [2019-11-23 22:07:02,692 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-11-23 22:07:02,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2019-11-23 22:07:02,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2019-11-23 22:07:02,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-11-23 22:07:02,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2019-11-23 22:07:02,696 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 8 [2019-11-23 22:07:02,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 22:07:02,696 INFO L462 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2019-11-23 22:07:02,696 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-23 22:07:02,696 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2019-11-23 22:07:02,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-23 22:07:02,697 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 22:07:02,697 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2019-11-23 22:07:02,898 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 22:07:02,899 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 22:07:02,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 22:07:02,900 INFO L82 PathProgramCache]: Analyzing trace with hash 1489078833, now seen corresponding path program 2 times [2019-11-23 22:07:02,901 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 22:07:02,901 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643207707] [2019-11-23 22:07:02,902 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 22:07:02,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 22:07:02,967 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 22:07:02,973 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643207707] [2019-11-23 22:07:02,974 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1141878574] [2019-11-23 22:07:02,975 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 22:07:03,024 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-11-23 22:07:03,025 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-23 22:07:03,025 INFO L255 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-23 22:07:03,026 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-23 22:07:03,038 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 22:07:03,038 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-23 22:07:03,038 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2019-11-23 22:07:03,039 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222848659] [2019-11-23 22:07:03,039 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-23 22:07:03,039 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 22:07:03,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-23 22:07:03,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2019-11-23 22:07:03,040 INFO L87 Difference]: Start difference. First operand 11 states and 11 transitions. Second operand 6 states. [2019-11-23 22:07:03,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 22:07:03,076 INFO L93 Difference]: Finished difference Result 18 states and 18 transitions. [2019-11-23 22:07:03,077 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-23 22:07:03,077 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10 [2019-11-23 22:07:03,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 22:07:03,078 INFO L225 Difference]: With dead ends: 18 [2019-11-23 22:07:03,078 INFO L226 Difference]: Without dead ends: 14 [2019-11-23 22:07:03,079 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2019-11-23 22:07:03,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2019-11-23 22:07:03,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 13. [2019-11-23 22:07:03,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-11-23 22:07:03,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2019-11-23 22:07:03,084 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 10 [2019-11-23 22:07:03,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 22:07:03,085 INFO L462 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2019-11-23 22:07:03,085 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-23 22:07:03,085 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2019-11-23 22:07:03,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-23 22:07:03,086 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 22:07:03,086 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1] [2019-11-23 22:07:03,289 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 22:07:03,289 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 22:07:03,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 22:07:03,290 INFO L82 PathProgramCache]: Analyzing trace with hash 833881267, now seen corresponding path program 3 times [2019-11-23 22:07:03,290 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 22:07:03,290 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988049829] [2019-11-23 22:07:03,290 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 22:07:03,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 22:07:03,364 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 22:07:03,364 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988049829] [2019-11-23 22:07:03,365 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1522377764] [2019-11-23 22:07:03,365 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 22:07:03,408 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2019-11-23 22:07:03,408 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-23 22:07:03,410 INFO L255 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-23 22:07:03,412 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-23 22:07:03,453 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2019-11-23 22:07:03,454 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 22:07:03,469 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:07:03,469 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-23 22:07:03,470 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:15 [2019-11-23 22:07:03,535 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:07:03,559 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-23 22:07:03,559 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-23 22:07:03,560 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2019-11-23 22:07:03,560 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078647063] [2019-11-23 22:07:03,561 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-23 22:07:03,561 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 22:07:03,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-23 22:07:03,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2019-11-23 22:07:03,562 INFO L87 Difference]: Start difference. First operand 13 states and 13 transitions. Second operand 6 states. [2019-11-23 22:07:05,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 22:07:05,695 INFO L93 Difference]: Finished difference Result 13 states and 13 transitions. [2019-11-23 22:07:05,695 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-23 22:07:05,695 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 12 [2019-11-23 22:07:05,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 22:07:05,696 INFO L225 Difference]: With dead ends: 13 [2019-11-23 22:07:05,699 INFO L226 Difference]: Without dead ends: 0 [2019-11-23 22:07:05,700 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2019-11-23 22:07:05,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-23 22:07:05,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-23 22:07:05,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-23 22:07:05,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-23 22:07:05,702 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2019-11-23 22:07:05,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 22:07:05,703 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-23 22:07:05,703 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-23 22:07:05,703 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-23 22:07:05,703 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-23 22:07:05,904 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 22:07:05,920 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-23 22:07:05,959 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-23 22:07:05,959 INFO L444 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2019-11-23 22:07:05,959 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-23 22:07:05,959 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-23 22:07:05,960 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-23 22:07:05,960 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2019-11-23 22:07:05,960 INFO L444 ceAbstractionStarter]: For program point L14-2(lines 14 16) no Hoare annotation was computed. [2019-11-23 22:07:05,960 INFO L440 ceAbstractionStarter]: At program point L14-3(lines 14 16) the Hoare annotation is: (or (exists ((v_ULTIMATE.start_main_~i~0_12 Int)) (and (< v_ULTIMATE.start_main_~i~0_12 1024) (= v_ULTIMATE.start_main_~i~0_12 (select (select |#memory_int| |ULTIMATE.start_main_~#A~0.base|) (+ |ULTIMATE.start_main_~#A~0.offset| (* v_ULTIMATE.start_main_~i~0_12 4)))) (<= ULTIMATE.start_main_~i~0 (+ v_ULTIMATE.start_main_~i~0_12 1)))) (= ULTIMATE.start_main_~i~0 0)) [2019-11-23 22:07:05,960 INFO L444 ceAbstractionStarter]: For program point L14-4(lines 14 16) no Hoare annotation was computed. [2019-11-23 22:07:05,960 INFO L444 ceAbstractionStarter]: For program point L10(lines 10 19) no Hoare annotation was computed. [2019-11-23 22:07:05,960 INFO L444 ceAbstractionStarter]: For program point L4(lines 4 6) no Hoare annotation was computed. [2019-11-23 22:07:05,961 INFO L447 ceAbstractionStarter]: At program point L4-2(lines 3 8) the Hoare annotation is: true [2019-11-23 22:07:05,967 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_12,QUANTIFIED] [2019-11-23 22:07:05,968 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_12,QUANTIFIED] [2019-11-23 22:07:05,968 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_12,QUANTIFIED] [2019-11-23 22:07:05,969 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_12,QUANTIFIED] [2019-11-23 22:07:05,970 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-23 22:07:05,976 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_12,QUANTIFIED] [2019-11-23 22:07:05,976 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_12,QUANTIFIED] [2019-11-23 22:07:05,976 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_12,QUANTIFIED] [2019-11-23 22:07:05,976 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_12,QUANTIFIED] [2019-11-23 22:07:05,977 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-23 22:07:05,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 10:07:05 BoogieIcfgContainer [2019-11-23 22:07:05,980 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-23 22:07:05,982 INFO L168 Benchmark]: Toolchain (without parser) took 4589.19 ms. Allocated memory was 138.9 MB in the beginning and 233.8 MB in the end (delta: 94.9 MB). Free memory was 102.1 MB in the beginning and 201.0 MB in the end (delta: -98.9 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-11-23 22:07:05,983 INFO L168 Benchmark]: CDTParser took 1.47 ms. Allocated memory is still 138.9 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-11-23 22:07:05,984 INFO L168 Benchmark]: CACSL2BoogieTranslator took 293.63 ms. Allocated memory is still 138.9 MB. Free memory was 101.9 MB in the beginning and 92.1 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2019-11-23 22:07:05,985 INFO L168 Benchmark]: Boogie Procedure Inliner took 115.04 ms. Allocated memory was 138.9 MB in the beginning and 202.9 MB in the end (delta: 64.0 MB). Free memory was 92.1 MB in the beginning and 181.6 MB in the end (delta: -89.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 7.1 GB. [2019-11-23 22:07:05,986 INFO L168 Benchmark]: Boogie Preprocessor took 31.04 ms. Allocated memory is still 202.9 MB. Free memory was 181.6 MB in the beginning and 180.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-11-23 22:07:05,987 INFO L168 Benchmark]: RCFGBuilder took 271.21 ms. Allocated memory is still 202.9 MB. Free memory was 180.0 MB in the beginning and 168.8 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. [2019-11-23 22:07:05,988 INFO L168 Benchmark]: TraceAbstraction took 3869.20 ms. Allocated memory was 202.9 MB in the beginning and 233.8 MB in the end (delta: 30.9 MB). Free memory was 168.1 MB in the beginning and 201.0 MB in the end (delta: -32.8 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-11-23 22:07:05,993 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.47 ms. Allocated memory is still 138.9 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 293.63 ms. Allocated memory is still 138.9 MB. Free memory was 101.9 MB in the beginning and 92.1 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 115.04 ms. Allocated memory was 138.9 MB in the beginning and 202.9 MB in the end (delta: 64.0 MB). Free memory was 92.1 MB in the beginning and 181.6 MB in the end (delta: -89.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 31.04 ms. Allocated memory is still 202.9 MB. Free memory was 181.6 MB in the beginning and 180.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 271.21 ms. Allocated memory is still 202.9 MB. Free memory was 180.0 MB in the beginning and 168.8 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3869.20 ms. Allocated memory was 202.9 MB in the beginning and 233.8 MB in the end (delta: 30.9 MB). Free memory was 168.1 MB in the beginning and 201.0 MB in the end (delta: -32.8 MB). There was no memory consumed. 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_ULTIMATE.start_main_~i~0_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_12,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * 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: 14]: Loop Invariant [2019-11-23 22:07:06,004 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_12,QUANTIFIED] [2019-11-23 22:07:06,004 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_12,QUANTIFIED] [2019-11-23 22:07:06,005 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_12,QUANTIFIED] [2019-11-23 22:07:06,005 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_12,QUANTIFIED] [2019-11-23 22:07:06,005 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-23 22:07:06,006 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_12,QUANTIFIED] [2019-11-23 22:07:06,006 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_12,QUANTIFIED] [2019-11-23 22:07:06,006 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_12,QUANTIFIED] [2019-11-23 22:07:06,006 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_12,QUANTIFIED] [2019-11-23 22:07:06,007 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: (\exists v_ULTIMATE.start_main_~i~0_12 : int :: (v_ULTIMATE.start_main_~i~0_12 < 1024 && v_ULTIMATE.start_main_~i~0_12 == unknown-#memory_int-unknown[A][A + v_ULTIMATE.start_main_~i~0_12 * 4]) && i <= v_ULTIMATE.start_main_~i~0_12 + 1) || i == 0 - InvariantResult [Line: 3]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 12 locations, 1 error locations. Result: SAFE, OverallTime: 3.7s, OverallIterations: 4, TraceHistogramMax: 3, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 25 SDtfs, 9 SDslu, 34 SDs, 0 SdLazy, 41 SolverSat, 3 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 2.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13occurred in iteration=3, 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, 4 MinimizatonAttempts, 3 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 6 NumberOfFragments, 26 HoareAnnotationTreeSize, 2 FomulaSimplifications, 50 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 66 NumberOfCodeBlocks, 64 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 59 ConstructedInterpolants, 2 QuantifiedInterpolants, 1549 SizeOfPredicates, 9 NumberOfNonLiveVariables, 104 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 7 InterpolantComputations, 2 PerfectInterpolantSequences, 9/28 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...