/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/loops-crafted-1/net_reset.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 04:45:34,794 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 04:45:34,799 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 04:45:34,863 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-12-22 04:45:34,959 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 04:45:34,960 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 04:45:34,962 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 04:45:34,963 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 04:45:35,007 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 04:45:35,007 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 04:45:35,013 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 04:45:35,014 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 04:45:35,014 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 04:45:35,014 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 04:45:35,015 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 04:45:35,015 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 04:45:35,015 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 04:45:35,015 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 04:45:35,016 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 04:45:35,017 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 04:45:35,017 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 04:45:35,017 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 04:45:35,017 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 04:45:35,018 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 04:45:35,018 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 04:45:35,018 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 04:45:35,018 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 04:45:35,018 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 04:45:35,019 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 04:45:35,019 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 04:45:35,019 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 04:45:35,019 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 04:45:35,019 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 04:45:35,020 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 04:45:35,442 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 04:45:35,475 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 04:45:35,478 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 04:45:35,479 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 04:45:35,480 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 04:45:35,481 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops-crafted-1/net_reset.c [2020-12-22 04:45:35,573 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c53ea33ac/d08445a009fc422cb3ebaa1a325ce6cd/FLAG4f3e3ec2b [2020-12-22 04:45:36,216 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 04:45:36,217 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops-crafted-1/net_reset.c [2020-12-22 04:45:36,226 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c53ea33ac/d08445a009fc422cb3ebaa1a325ce6cd/FLAG4f3e3ec2b [2020-12-22 04:45:36,562 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c53ea33ac/d08445a009fc422cb3ebaa1a325ce6cd [2020-12-22 04:45:36,565 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 04:45:36,567 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 04:45:36,569 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 04:45:36,569 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 04:45:36,581 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 04:45:36,582 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 04:45:36" (1/1) ... [2020-12-22 04:45:36,584 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8cf9812 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:45:36, skipping insertion in model container [2020-12-22 04:45:36,584 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 04:45:36" (1/1) ... [2020-12-22 04:45:36,595 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 04:45:36,632 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 04:45:36,810 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/loops-crafted-1/net_reset.c[4546,4559] [2020-12-22 04:45:36,833 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 04:45:38,144 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 04:45:38,205 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/loops-crafted-1/net_reset.c[4546,4559] [2020-12-22 04:45:38,222 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 04:45:38,245 INFO L208 MainTranslator]: Completed translation [2020-12-22 04:45:38,246 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:45:38 WrapperNode [2020-12-22 04:45:38,246 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 04:45:38,247 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 04:45:38,248 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 04:45:38,248 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 04:45:38,257 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:45:38" (1/1) ... [2020-12-22 04:45:38,269 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:45:38" (1/1) ... [2020-12-22 04:45:38,293 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 04:45:38,294 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 04:45:38,294 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 04:45:38,295 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 04:45:38,305 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:45:38" (1/1) ... [2020-12-22 04:45:38,305 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:45:38" (1/1) ... [2020-12-22 04:45:38,308 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:45:38" (1/1) ... [2020-12-22 04:45:38,309 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:45:38" (1/1) ... [2020-12-22 04:45:38,324 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:45:38" (1/1) ... [2020-12-22 04:45:38,329 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:45:38" (1/1) ... [2020-12-22 04:45:38,331 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:45:38" (1/1) ... [2020-12-22 04:45:38,334 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 04:45:38,335 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 04:45:38,335 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 04:45:38,335 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 04:45:38,336 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:45:38" (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 04:45:38,452 INFO L130 BoogieDeclarations]: Found specification of procedure addrcmp [2020-12-22 04:45:38,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 04:45:38,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 04:45:38,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 04:45:38,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 04:45:38,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-22 04:45:38,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-22 04:45:38,934 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 04:45:38,935 INFO L299 CfgBuilder]: Removed 13 assume(true) statements. [2020-12-22 04:45:38,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 04:45:38 BoogieIcfgContainer [2020-12-22 04:45:38,937 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 04:45:38,938 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 04:45:38,939 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 04:45:38,943 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 04:45:38,943 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 04:45:36" (1/3) ... [2020-12-22 04:45:38,944 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69f5999a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 04:45:38, skipping insertion in model container [2020-12-22 04:45:38,944 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:45:38" (2/3) ... [2020-12-22 04:45:38,945 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69f5999a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 04:45:38, skipping insertion in model container [2020-12-22 04:45:38,945 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 04:45:38" (3/3) ... [2020-12-22 04:45:38,947 INFO L111 eAbstractionObserver]: Analyzing ICFG net_reset.c [2020-12-22 04:45:38,954 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 04:45:38,960 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-22 04:45:38,980 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-22 04:45:39,010 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 04:45:39,010 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 04:45:39,010 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 04:45:39,010 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 04:45:39,010 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 04:45:39,011 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 04:45:39,011 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 04:45:39,011 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 04:45:39,026 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states. [2020-12-22 04:45:39,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-22 04:45:39,032 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 04:45:39,033 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 04:45:39,034 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 04:45:39,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 04:45:39,041 INFO L82 PathProgramCache]: Analyzing trace with hash 128900059, now seen corresponding path program 1 times [2020-12-22 04:45:39,051 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 04:45:39,052 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110454770] [2020-12-22 04:45:39,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 04:45:39,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 04:45:39,443 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 04:45:39,444 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110454770] [2020-12-22 04:45:39,445 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 04:45:39,445 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 04:45:39,446 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30451405] [2020-12-22 04:45:39,451 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 04:45:39,452 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 04:45:39,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 04:45:39,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 04:45:39,470 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 4 states. [2020-12-22 04:45:39,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 04:45:39,529 INFO L93 Difference]: Finished difference Result 27 states and 34 transitions. [2020-12-22 04:45:39,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 04:45:39,533 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2020-12-22 04:45:39,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 04:45:39,549 INFO L225 Difference]: With dead ends: 27 [2020-12-22 04:45:39,549 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 04:45:39,553 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 04:45:39,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 04:45:39,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 04:45:39,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 04:45:39,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 04:45:39,584 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 8 [2020-12-22 04:45:39,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 04:45:39,585 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 04:45:39,585 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 04:45:39,585 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 04:45:39,586 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 04:45:39,587 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 04:45:39,589 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-22 04:45:39,665 INFO L189 CegarLoopUtils]: For program point L226(line 226) no Hoare annotation was computed. [2020-12-22 04:45:39,666 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-22 04:45:39,666 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-22 04:45:39,666 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-22 04:45:39,666 INFO L185 CegarLoopUtils]: At program point L218(lines 218 228) the Hoare annotation is: (<= (+ ~batch_at~0 1) ~fstTTL~0) [2020-12-22 04:45:39,667 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 195) no Hoare annotation was computed. [2020-12-22 04:45:39,668 INFO L185 CegarLoopUtils]: At program point L214(lines 205 215) the Hoare annotation is: (and (<= ~batch_at~0 ULTIMATE.start_net_send_batch_~i~0) (<= (+ ~batch_at~0 1) ~fstTTL~0)) [2020-12-22 04:45:39,668 INFO L189 CegarLoopUtils]: For program point L210(lines 210 211) no Hoare annotation was computed. [2020-12-22 04:45:39,668 INFO L189 CegarLoopUtils]: For program point L194(lines 194 196) no Hoare annotation was computed. [2020-12-22 04:45:39,668 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-22 04:45:39,668 INFO L185 CegarLoopUtils]: At program point L194-2(lines 193 198) the Hoare annotation is: false [2020-12-22 04:45:39,669 INFO L189 CegarLoopUtils]: For program point L223(line 223) no Hoare annotation was computed. [2020-12-22 04:45:39,669 INFO L185 CegarLoopUtils]: At program point L236(lines 233 237) the Hoare annotation is: (and (<= ~batch_at~0 ULTIMATE.start_net_send_batch_~i~0) (<= (+ ~batch_at~0 1) ~fstTTL~0)) [2020-12-22 04:45:39,669 INFO L189 CegarLoopUtils]: For program point L195(line 195) no Hoare annotation was computed. [2020-12-22 04:45:39,669 INFO L189 CegarLoopUtils]: For program point L220(line 220) no Hoare annotation was computed. [2020-12-22 04:45:39,670 INFO L189 CegarLoopUtils]: For program point L216(lines 216 231) no Hoare annotation was computed. [2020-12-22 04:45:39,670 INFO L189 CegarLoopUtils]: For program point L208-2(lines 208 213) no Hoare annotation was computed. [2020-12-22 04:45:39,670 INFO L185 CegarLoopUtils]: At program point L208-3(lines 208 213) the Hoare annotation is: (and (<= ~batch_at~0 ULTIMATE.start_net_send_batch_~i~0) (<= (+ ~batch_at~0 1) ~fstTTL~0)) [2020-12-22 04:45:39,670 INFO L189 CegarLoopUtils]: For program point L208-4(lines 208 213) no Hoare annotation was computed. [2020-12-22 04:45:39,671 INFO L189 CegarLoopUtils]: For program point L200(lines 200 204) no Hoare annotation was computed. [2020-12-22 04:45:39,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 04:45:39 BoogieIcfgContainer [2020-12-22 04:45:39,697 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 04:45:39,700 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 04:45:39,700 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 04:45:39,700 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 04:45:39,701 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 04:45:38" (3/4) ... [2020-12-22 04:45:39,706 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-22 04:45:39,723 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-22 04:45:39,724 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-22 04:45:39,724 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 04:45:39,724 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 04:45:39,807 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/loops-crafted-1/net_reset.c-witness.graphml [2020-12-22 04:45:39,807 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 04:45:39,811 INFO L168 Benchmark]: Toolchain (without parser) took 3242.24 ms. Allocated memory was 163.6 MB in the beginning and 213.9 MB in the end (delta: 50.3 MB). Free memory was 139.1 MB in the beginning and 95.7 MB in the end (delta: 43.4 MB). Peak memory consumption was 93.9 MB. Max. memory is 8.0 GB. [2020-12-22 04:45:39,812 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 163.6 MB. Free memory was 135.8 MB in the beginning and 135.7 MB in the end (delta: 95.4 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 04:45:39,814 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1677.47 ms. Allocated memory was 163.6 MB in the beginning and 213.9 MB in the end (delta: 50.3 MB). Free memory was 138.8 MB in the beginning and 108.4 MB in the end (delta: 30.4 MB). Peak memory consumption was 140.3 MB. Max. memory is 8.0 GB. [2020-12-22 04:45:39,819 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.07 ms. Allocated memory is still 213.9 MB. Free memory was 108.4 MB in the beginning and 107.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-12-22 04:45:39,820 INFO L168 Benchmark]: Boogie Preprocessor took 39.87 ms. Allocated memory is still 213.9 MB. Free memory was 107.0 MB in the beginning and 105.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-22 04:45:39,821 INFO L168 Benchmark]: RCFGBuilder took 601.74 ms. Allocated memory is still 213.9 MB. Free memory was 105.4 MB in the beginning and 87.0 MB in the end (delta: 18.3 MB). Peak memory consumption was 17.8 MB. Max. memory is 8.0 GB. [2020-12-22 04:45:39,823 INFO L168 Benchmark]: TraceAbstraction took 758.49 ms. Allocated memory is still 213.9 MB. Free memory was 86.5 MB in the beginning and 98.9 MB in the end (delta: -12.4 MB). There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 04:45:39,824 INFO L168 Benchmark]: Witness Printer took 107.71 ms. Allocated memory is still 213.9 MB. Free memory was 98.9 MB in the beginning and 95.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-12-22 04:45:39,830 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 163.6 MB. Free memory was 135.8 MB in the beginning and 135.7 MB in the end (delta: 95.4 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 1677.47 ms. Allocated memory was 163.6 MB in the beginning and 213.9 MB in the end (delta: 50.3 MB). Free memory was 138.8 MB in the beginning and 108.4 MB in the end (delta: 30.4 MB). Peak memory consumption was 140.3 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 46.07 ms. Allocated memory is still 213.9 MB. Free memory was 108.4 MB in the beginning and 107.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 39.87 ms. Allocated memory is still 213.9 MB. Free memory was 107.0 MB in the beginning and 105.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 601.74 ms. Allocated memory is still 213.9 MB. Free memory was 105.4 MB in the beginning and 87.0 MB in the end (delta: 18.3 MB). Peak memory consumption was 17.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 758.49 ms. Allocated memory is still 213.9 MB. Free memory was 86.5 MB in the beginning and 98.9 MB in the end (delta: -12.4 MB). There was no memory consumed. Max. memory is 8.0 GB. * Witness Printer took 107.71 ms. Allocated memory is still 213.9 MB. Free memory was 98.9 MB in the beginning and 95.7 MB in the end (delta: 3.1 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: 195]: 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: 218]: Loop Invariant Derived loop invariant: batch_at + 1 <= fstTTL - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 205]: Loop Invariant Derived loop invariant: batch_at <= i && batch_at + 1 <= fstTTL - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: batch_at <= i && batch_at + 1 <= fstTTL - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: batch_at <= i && batch_at + 1 <= fstTTL - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 20 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 13 SDtfs, 20 SDslu, 7 SDs, 0 SdLazy, 5 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 8 NumberOfFragments, 33 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 91 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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...