/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/ldv-regression/rule57_ebda_blast.c_1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 03:52:23,036 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 03:52:23,039 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 03:52:23,079 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-12-22 03:52:23,094 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 03:52:23,095 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 03:52:23,097 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 03:52:23,100 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 03:52:23,101 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 03:52:23,102 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 03:52:23,128 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 03:52:23,131 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 03:52:23,135 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 03:52:23,140 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 03:52:23,143 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 03:52:23,144 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 03:52:23,153 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-22 03:52:23,174 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 03:52:23,175 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 03:52:23,176 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 03:52:23,181 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 03:52:23,242 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 03:52:23,242 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 03:52:23,247 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 03:52:23,248 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 03:52:23,248 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 03:52:23,248 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 03:52:23,249 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 03:52:23,249 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 03:52:23,249 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 03:52:23,249 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 03:52:23,251 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 03:52:23,251 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 03:52:23,251 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 03:52:23,251 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 03:52:23,252 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 03:52:23,252 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 03:52:23,252 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 03:52:23,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 03:52:23,253 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 03:52:23,253 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 03:52:23,253 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 03:52:23,254 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 03:52:23,254 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 03:52:23,254 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 03:52:23,255 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 03:52:23,255 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 03:52:23,717 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 03:52:23,750 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 03:52:23,753 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 03:52:23,755 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 03:52:23,756 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 03:52:23,757 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/rule57_ebda_blast.c_1.i [2020-12-22 03:52:23,843 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aaf7a7e89/cede02ece3fd4fd49cc73de4bb386a96/FLAG06a419ba1 [2020-12-22 03:52:24,532 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 03:52:24,533 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/rule57_ebda_blast.c_1.i [2020-12-22 03:52:24,543 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aaf7a7e89/cede02ece3fd4fd49cc73de4bb386a96/FLAG06a419ba1 [2020-12-22 03:52:24,878 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aaf7a7e89/cede02ece3fd4fd49cc73de4bb386a96 [2020-12-22 03:52:24,884 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 03:52:24,886 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 03:52:24,888 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 03:52:24,889 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 03:52:24,893 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 03:52:24,895 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:52:24" (1/1) ... [2020-12-22 03:52:24,896 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27dce46e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:52:24, skipping insertion in model container [2020-12-22 03:52:24,896 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:52:24" (1/1) ... [2020-12-22 03:52:24,906 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 03:52:24,930 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 03:52:25,083 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/rule57_ebda_blast.c_1.i[303,316] [2020-12-22 03:52:25,122 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 03:52:25,140 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 03:52:25,154 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/rule57_ebda_blast.c_1.i[303,316] [2020-12-22 03:52:25,167 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 03:52:25,191 INFO L208 MainTranslator]: Completed translation [2020-12-22 03:52:25,191 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:52:25 WrapperNode [2020-12-22 03:52:25,192 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 03:52:25,194 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 03:52:25,194 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 03:52:25,194 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 03:52:25,204 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:52:25" (1/1) ... [2020-12-22 03:52:25,216 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:52:25" (1/1) ... [2020-12-22 03:52:25,247 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 03:52:25,248 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 03:52:25,248 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 03:52:25,248 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 03:52:25,260 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:52:25" (1/1) ... [2020-12-22 03:52:25,260 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:52:25" (1/1) ... [2020-12-22 03:52:25,264 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:52:25" (1/1) ... [2020-12-22 03:52:25,265 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:52:25" (1/1) ... [2020-12-22 03:52:25,274 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:52:25" (1/1) ... [2020-12-22 03:52:25,277 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:52:25" (1/1) ... [2020-12-22 03:52:25,280 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:52:25" (1/1) ... [2020-12-22 03:52:25,285 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 03:52:25,287 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 03:52:25,287 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 03:52:25,287 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 03:52:25,289 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:52:25" (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 [2020-12-22 03:52:25,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-22 03:52:25,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 03:52:25,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-22 03:52:25,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 03:52:25,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-22 03:52:25,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-22 03:52:25,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 03:52:25,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 03:52:26,071 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 03:52:26,071 INFO L299 CfgBuilder]: Removed 30 assume(true) statements. [2020-12-22 03:52:26,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:52:26 BoogieIcfgContainer [2020-12-22 03:52:26,073 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 03:52:26,075 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 03:52:26,076 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 03:52:26,080 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 03:52:26,080 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 03:52:24" (1/3) ... [2020-12-22 03:52:26,081 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4669ab15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:52:26, skipping insertion in model container [2020-12-22 03:52:26,081 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:52:25" (2/3) ... [2020-12-22 03:52:26,082 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4669ab15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:52:26, skipping insertion in model container [2020-12-22 03:52:26,082 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:52:26" (3/3) ... [2020-12-22 03:52:26,087 INFO L111 eAbstractionObserver]: Analyzing ICFG rule57_ebda_blast.c_1.i [2020-12-22 03:52:26,099 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 03:52:26,105 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-22 03:52:26,127 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-22 03:52:26,169 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 03:52:26,170 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 03:52:26,170 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 03:52:26,172 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 03:52:26,172 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 03:52:26,173 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 03:52:26,173 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 03:52:26,173 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 03:52:26,193 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2020-12-22 03:52:26,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-22 03:52:26,210 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 03:52:26,211 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 03:52:26,211 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 03:52:26,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 03:52:26,222 INFO L82 PathProgramCache]: Analyzing trace with hash -1387683168, now seen corresponding path program 1 times [2020-12-22 03:52:26,234 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 03:52:26,234 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087785210] [2020-12-22 03:52:26,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 03:52:26,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 03:52:26,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 03:52:26,564 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087785210] [2020-12-22 03:52:26,565 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 03:52:26,565 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 03:52:26,566 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706431985] [2020-12-22 03:52:26,571 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 03:52:26,572 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 03:52:26,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 03:52:26,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 03:52:26,600 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 5 states. [2020-12-22 03:52:26,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 03:52:26,726 INFO L93 Difference]: Finished difference Result 39 states and 48 transitions. [2020-12-22 03:52:26,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 03:52:26,729 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2020-12-22 03:52:26,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 03:52:26,740 INFO L225 Difference]: With dead ends: 39 [2020-12-22 03:52:26,740 INFO L226 Difference]: Without dead ends: 27 [2020-12-22 03:52:26,744 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-22 03:52:26,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-12-22 03:52:26,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2020-12-22 03:52:26,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-12-22 03:52:26,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 32 transitions. [2020-12-22 03:52:26,796 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 32 transitions. Word has length 10 [2020-12-22 03:52:26,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 03:52:26,797 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 32 transitions. [2020-12-22 03:52:26,797 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 03:52:26,798 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2020-12-22 03:52:26,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-22 03:52:26,798 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 03:52:26,799 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 03:52:26,799 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 03:52:26,799 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 03:52:26,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 03:52:26,800 INFO L82 PathProgramCache]: Analyzing trace with hash -541613126, now seen corresponding path program 1 times [2020-12-22 03:52:26,800 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 03:52:26,801 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739003874] [2020-12-22 03:52:26,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 03:52:26,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 03:52:26,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 03:52:26,878 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739003874] [2020-12-22 03:52:26,878 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 03:52:26,878 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 03:52:26,878 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262138823] [2020-12-22 03:52:26,880 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 03:52:26,880 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 03:52:26,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 03:52:26,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 03:52:26,882 INFO L87 Difference]: Start difference. First operand 27 states and 32 transitions. Second operand 5 states. [2020-12-22 03:52:26,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 03:52:26,962 INFO L93 Difference]: Finished difference Result 33 states and 37 transitions. [2020-12-22 03:52:26,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 03:52:26,963 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-12-22 03:52:26,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 03:52:26,964 INFO L225 Difference]: With dead ends: 33 [2020-12-22 03:52:26,964 INFO L226 Difference]: Without dead ends: 27 [2020-12-22 03:52:26,966 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-22 03:52:26,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-12-22 03:52:26,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2020-12-22 03:52:26,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-12-22 03:52:26,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 31 transitions. [2020-12-22 03:52:26,974 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 31 transitions. Word has length 13 [2020-12-22 03:52:26,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 03:52:26,975 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 31 transitions. [2020-12-22 03:52:26,975 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 03:52:26,975 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2020-12-22 03:52:26,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-22 03:52:26,976 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 03:52:26,976 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 03:52:26,977 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 03:52:26,977 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 03:52:26,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 03:52:26,978 INFO L82 PathProgramCache]: Analyzing trace with hash 150876809, now seen corresponding path program 1 times [2020-12-22 03:52:26,979 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 03:52:26,979 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899964540] [2020-12-22 03:52:26,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 03:52:27,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 03:52:27,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 03:52:27,116 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899964540] [2020-12-22 03:52:27,116 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 03:52:27,117 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 03:52:27,117 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160006486] [2020-12-22 03:52:27,117 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 03:52:27,118 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 03:52:27,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 03:52:27,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 03:52:27,119 INFO L87 Difference]: Start difference. First operand 27 states and 31 transitions. Second operand 3 states. [2020-12-22 03:52:27,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 03:52:27,137 INFO L93 Difference]: Finished difference Result 36 states and 40 transitions. [2020-12-22 03:52:27,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 03:52:27,138 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2020-12-22 03:52:27,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 03:52:27,139 INFO L225 Difference]: With dead ends: 36 [2020-12-22 03:52:27,139 INFO L226 Difference]: Without dead ends: 23 [2020-12-22 03:52:27,140 INFO L677 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 [2020-12-22 03:52:27,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2020-12-22 03:52:27,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2020-12-22 03:52:27,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-12-22 03:52:27,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 24 transitions. [2020-12-22 03:52:27,146 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 24 transitions. Word has length 20 [2020-12-22 03:52:27,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 03:52:27,147 INFO L481 AbstractCegarLoop]: Abstraction has 23 states and 24 transitions. [2020-12-22 03:52:27,147 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 03:52:27,147 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2020-12-22 03:52:27,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-22 03:52:27,148 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 03:52:27,148 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 03:52:27,149 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 03:52:27,149 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 03:52:27,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 03:52:27,150 INFO L82 PathProgramCache]: Analyzing trace with hash -2046307905, now seen corresponding path program 1 times [2020-12-22 03:52:27,150 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 03:52:27,150 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364386583] [2020-12-22 03:52:27,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 03:52:27,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 03:52:27,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 03:52:27,229 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364386583] [2020-12-22 03:52:27,229 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 03:52:27,230 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-22 03:52:27,230 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320263349] [2020-12-22 03:52:27,230 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 03:52:27,231 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 03:52:27,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 03:52:27,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-22 03:52:27,232 INFO L87 Difference]: Start difference. First operand 23 states and 24 transitions. Second operand 6 states. [2020-12-22 03:52:27,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 03:52:27,329 INFO L93 Difference]: Finished difference Result 23 states and 24 transitions. [2020-12-22 03:52:27,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 03:52:27,330 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2020-12-22 03:52:27,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 03:52:27,331 INFO L225 Difference]: With dead ends: 23 [2020-12-22 03:52:27,331 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 03:52:27,335 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-22 03:52:27,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 03:52:27,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 03:52:27,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 03:52:27,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 03:52:27,336 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2020-12-22 03:52:27,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 03:52:27,337 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 03:52:27,337 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 03:52:27,337 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 03:52:27,337 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 03:52:27,338 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 03:52:27,340 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-22 03:52:27,519 INFO L185 CegarLoopUtils]: At program point L64(lines 62 65) the Hoare annotation is: (and (not (= |ULTIMATE.start_kzalloc_#res.base| 0)) (not (= ~tmp_slot~0.base 0)) (not (= ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (= ~used_tmp_slot~0 1) (not (= |ULTIMATE.start_kzalloc_#t~malloc7.base| 0))) [2020-12-22 03:52:27,520 INFO L185 CegarLoopUtils]: At program point L122(lines 72 133) the Hoare annotation is: (and (not (= |ULTIMATE.start_kzalloc_#res.base| 0)) (not (= ~tmp_slot~0.base 0)) (not (= ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (= ~used_tmp_slot~0 1) (not (= |ULTIMATE.start_kzalloc_#t~malloc7.base| 0))) [2020-12-22 03:52:27,520 INFO L185 CegarLoopUtils]: At program point L48(line 48) the Hoare annotation is: (and (not (= |ULTIMATE.start_kzalloc_#res.base| 0)) (not (= |ULTIMATE.start_kzalloc_#t~malloc7.base| 0))) [2020-12-22 03:52:27,520 INFO L185 CegarLoopUtils]: At program point L48-1(line 48) the Hoare annotation is: (and (not (= |ULTIMATE.start_kzalloc_#res.base| 0)) (not (= ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= |ULTIMATE.start_kzalloc_#t~malloc7.base| 0))) [2020-12-22 03:52:27,521 INFO L185 CegarLoopUtils]: At program point L48-2(line 48) the Hoare annotation is: (and (not (= |ULTIMATE.start_kzalloc_#res.base| 0)) (not (= ~tmp_slot~0.base 0)) (not (= ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= |ULTIMATE.start_kzalloc_#t~malloc7.base| 0))) [2020-12-22 03:52:27,521 INFO L189 CegarLoopUtils]: For program point L135(lines 135 139) no Hoare annotation was computed. [2020-12-22 03:52:27,524 INFO L185 CegarLoopUtils]: At program point L69(lines 67 70) the Hoare annotation is: (and (not (= |ULTIMATE.start_kzalloc_#res.base| 0)) (not (= ~tmp_slot~0.base 0)) (not (= ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (= ~used_tmp_slot~0 1) (not (= |ULTIMATE.start_kzalloc_#t~malloc7.base| 0))) [2020-12-22 03:52:27,524 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-22 03:52:27,524 INFO L189 CegarLoopUtils]: For program point L-1-1(line -1) no Hoare annotation was computed. [2020-12-22 03:52:27,524 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-22 03:52:27,524 INFO L189 CegarLoopUtils]: For program point L-1-2(line -1) no Hoare annotation was computed. [2020-12-22 03:52:27,525 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-22 03:52:27,525 INFO L189 CegarLoopUtils]: For program point L-1-3(line -1) no Hoare annotation was computed. [2020-12-22 03:52:27,525 INFO L185 CegarLoopUtils]: At program point L57(lines 56 58) the Hoare annotation is: (and (not (= |ULTIMATE.start_kzalloc_#res.base| 0)) (not (= ~tmp_slot~0.base 0)) (not (= |ULTIMATE.start_ibmphp_find_same_bus_num_#res.base| 0)) (not (= ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= |ULTIMATE.start_kzalloc_#t~malloc7.base| 0))) [2020-12-22 03:52:27,525 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 8) no Hoare annotation was computed. [2020-12-22 03:52:27,526 INFO L189 CegarLoopUtils]: For program point L8(line 8) no Hoare annotation was computed. [2020-12-22 03:52:27,528 INFO L185 CegarLoopUtils]: At program point L132(lines 72 133) the Hoare annotation is: (and (not (= |ULTIMATE.start_kzalloc_#res.base| 0)) (not (= ~tmp_slot~0.base 0)) (not (= ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (= ~used_tmp_slot~0 1) (not (= |ULTIMATE.start_kzalloc_#t~malloc7.base| 0))) [2020-12-22 03:52:27,529 INFO L189 CegarLoopUtils]: For program point L99(lines 99 107) no Hoare annotation was computed. [2020-12-22 03:52:27,529 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-22 03:52:27,529 INFO L185 CegarLoopUtils]: At program point L128(lines 72 133) the Hoare annotation is: (and (not (= |ULTIMATE.start_kzalloc_#res.base| 0)) (not (= ~tmp_slot~0.base 0)) (not (= ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (= ~used_tmp_slot~0 1) (not (= |ULTIMATE.start_kzalloc_#t~malloc7.base| 0))) [2020-12-22 03:52:27,529 INFO L189 CegarLoopUtils]: For program point L87(lines 87 90) no Hoare annotation was computed. [2020-12-22 03:52:27,529 INFO L189 CegarLoopUtils]: For program point L50(lines 50 53) no Hoare annotation was computed. [2020-12-22 03:52:27,530 INFO L189 CegarLoopUtils]: For program point L50-1(lines 50 53) no Hoare annotation was computed. [2020-12-22 03:52:27,530 INFO L189 CegarLoopUtils]: For program point L79(lines 79 82) no Hoare annotation was computed. [2020-12-22 03:52:27,530 INFO L189 CegarLoopUtils]: For program point L137(lines 137 138) no Hoare annotation was computed. [2020-12-22 03:52:27,530 INFO L189 CegarLoopUtils]: For program point L121(lines 121 122) no Hoare annotation was computed. [2020-12-22 03:52:27,530 INFO L189 CegarLoopUtils]: For program point L117(lines 117 118) no Hoare annotation was computed. [2020-12-22 03:52:27,530 INFO L189 CegarLoopUtils]: For program point L51(lines 51 52) no Hoare annotation was computed. [2020-12-22 03:52:27,530 INFO L189 CegarLoopUtils]: For program point L51-2(lines 51 52) no Hoare annotation was computed. [2020-12-22 03:52:27,531 INFO L189 CegarLoopUtils]: For program point L138(line 138) no Hoare annotation was computed. [2020-12-22 03:52:27,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 03:52:27 BoogieIcfgContainer [2020-12-22 03:52:27,579 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 03:52:27,580 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 03:52:27,580 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 03:52:27,580 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 03:52:27,581 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:52:26" (3/4) ... [2020-12-22 03:52:27,585 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-22 03:52:27,602 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2020-12-22 03:52:27,602 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2020-12-22 03:52:27,603 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 03:52:27,603 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 03:52:27,640 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\result == 0) && !(calloc(1, size) == 0) [2020-12-22 03:52:27,641 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\result == 0) && !(tmp_slot == 0)) && !(hp_slot_ptr == 0)) && used_tmp_slot == 1) && !(calloc(1, size) == 0) [2020-12-22 03:52:27,641 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\result == 0) && !(tmp_slot == 0)) && !(hp_slot_ptr == 0)) && used_tmp_slot == 1) && !(calloc(1, size) == 0) [2020-12-22 03:52:27,641 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\result == 0) && !(hp_slot_ptr == 0)) && !(calloc(1, size) == 0) [2020-12-22 03:52:27,642 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\result == 0) && !(tmp_slot == 0)) && !(hp_slot_ptr == 0)) && !(calloc(1, size) == 0) [2020-12-22 03:52:27,642 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\result == 0) && !(tmp_slot == 0)) && !(\result == 0)) && !(hp_slot_ptr == 0)) && !(calloc(1, size) == 0) [2020-12-22 03:52:27,643 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\result == 0) && !(tmp_slot == 0)) && !(hp_slot_ptr == 0)) && used_tmp_slot == 1) && !(calloc(1, size) == 0) [2020-12-22 03:52:27,645 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\result == 0) && !(tmp_slot == 0)) && !(hp_slot_ptr == 0)) && used_tmp_slot == 1) && !(calloc(1, size) == 0) [2020-12-22 03:52:27,646 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\result == 0) && !(tmp_slot == 0)) && !(hp_slot_ptr == 0)) && used_tmp_slot == 1) && !(calloc(1, size) == 0) [2020-12-22 03:52:27,705 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/ldv-regression/rule57_ebda_blast.c_1.i-witness.graphml [2020-12-22 03:52:27,705 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 03:52:27,707 INFO L168 Benchmark]: Toolchain (without parser) took 2820.75 ms. Allocated memory is still 151.0 MB. Free memory was 126.8 MB in the beginning and 119.9 MB in the end (delta: 6.9 MB). Peak memory consumption was 7.6 MB. Max. memory is 8.0 GB. [2020-12-22 03:52:27,708 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 151.0 MB. Free memory is still 124.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 03:52:27,709 INFO L168 Benchmark]: CACSL2BoogieTranslator took 304.01 ms. Allocated memory is still 151.0 MB. Free memory was 126.6 MB in the beginning and 116.0 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2020-12-22 03:52:27,709 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.44 ms. Allocated memory is still 151.0 MB. Free memory was 115.8 MB in the beginning and 114.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-12-22 03:52:27,710 INFO L168 Benchmark]: Boogie Preprocessor took 37.86 ms. Allocated memory is still 151.0 MB. Free memory was 114.0 MB in the beginning and 112.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-22 03:52:27,710 INFO L168 Benchmark]: RCFGBuilder took 786.33 ms. Allocated memory is still 151.0 MB. Free memory was 112.4 MB in the beginning and 123.1 MB in the end (delta: -10.7 MB). Peak memory consumption was 13.9 MB. Max. memory is 8.0 GB. [2020-12-22 03:52:27,710 INFO L168 Benchmark]: TraceAbstraction took 1504.10 ms. Allocated memory is still 151.0 MB. Free memory was 122.5 MB in the beginning and 123.5 MB in the end (delta: -992.8 kB). Peak memory consumption was 75.6 MB. Max. memory is 8.0 GB. [2020-12-22 03:52:27,711 INFO L168 Benchmark]: Witness Printer took 125.18 ms. Allocated memory is still 151.0 MB. Free memory was 123.5 MB in the beginning and 119.9 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-12-22 03:52:27,713 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 151.0 MB. Free memory is still 124.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 304.01 ms. Allocated memory is still 151.0 MB. Free memory was 126.6 MB in the beginning and 116.0 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 53.44 ms. Allocated memory is still 151.0 MB. Free memory was 115.8 MB in the beginning and 114.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 37.86 ms. Allocated memory is still 151.0 MB. Free memory was 114.0 MB in the beginning and 112.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 786.33 ms. Allocated memory is still 151.0 MB. Free memory was 112.4 MB in the beginning and 123.1 MB in the end (delta: -10.7 MB). Peak memory consumption was 13.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1504.10 ms. Allocated memory is still 151.0 MB. Free memory was 122.5 MB in the beginning and 123.5 MB in the end (delta: -992.8 kB). Peak memory consumption was 75.6 MB. Max. memory is 8.0 GB. * Witness Printer took 125.18 ms. Allocated memory is still 151.0 MB. Free memory was 123.5 MB in the beginning and 119.9 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 8]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: (!(\result == 0) && !(hp_slot_ptr == 0)) && !(calloc(1, size) == 0) - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: (((!(\result == 0) && !(tmp_slot == 0)) && !(hp_slot_ptr == 0)) && used_tmp_slot == 1) && !(calloc(1, size) == 0) - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: (((!(\result == 0) && !(tmp_slot == 0)) && !(hp_slot_ptr == 0)) && used_tmp_slot == 1) && !(calloc(1, size) == 0) - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: !(\result == 0) && !(calloc(1, size) == 0) - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: (((!(\result == 0) && !(tmp_slot == 0)) && !(hp_slot_ptr == 0)) && used_tmp_slot == 1) && !(calloc(1, size) == 0) - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: (((!(\result == 0) && !(tmp_slot == 0)) && !(hp_slot_ptr == 0)) && used_tmp_slot == 1) && !(calloc(1, size) == 0) - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: ((!(\result == 0) && !(tmp_slot == 0)) && !(hp_slot_ptr == 0)) && !(calloc(1, size) == 0) - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: (((!(\result == 0) && !(tmp_slot == 0)) && !(\result == 0)) && !(hp_slot_ptr == 0)) && !(calloc(1, size) == 0) - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: (((!(\result == 0) && !(tmp_slot == 0)) && !(hp_slot_ptr == 0)) && used_tmp_slot == 1) && !(calloc(1, size) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 30 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.1s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 79 SDtfs, 185 SDslu, 36 SDs, 0 SdLazy, 61 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30occurred 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, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 9 PreInvPairs, 12 NumberOfFragments, 160 HoareAnnotationTreeSize, 9 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 65 NumberOfCodeBlocks, 65 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 61 ConstructedInterpolants, 0 QuantifiedInterpolants, 1696 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, 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...