/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/ldv-regression/nested_structure_noptr-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-72570d3 [2020-08-22 19:04:37,094 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 19:04:37,097 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 19:04:37,120 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 19:04:37,121 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 19:04:37,122 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 19:04:37,123 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 19:04:37,125 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 19:04:37,126 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 19:04:37,127 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 19:04:37,128 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 19:04:37,129 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 19:04:37,129 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 19:04:37,130 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 19:04:37,131 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 19:04:37,132 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 19:04:37,133 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 19:04:37,134 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 19:04:37,135 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 19:04:37,137 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 19:04:37,139 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 19:04:37,140 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 19:04:37,141 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 19:04:37,142 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 19:04:37,144 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-22 19:04:37,151 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 19:04:37,152 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 19:04:37,152 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 19:04:37,153 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-08-22 19:04:37,162 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 19:04:37,162 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 19:04:37,163 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 19:04:37,164 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 19:04:37,164 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 19:04:37,164 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 19:04:37,164 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 19:04:37,164 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 19:04:37,164 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 19:04:37,165 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 19:04:37,165 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 19:04:37,165 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 19:04:37,165 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 19:04:37,165 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 19:04:37,166 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 19:04:37,166 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-08-22 19:04:37,166 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 19:04:37,166 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 19:04:37,166 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 19:04:37,167 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 19:04:37,167 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-08-22 19:04:37,167 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 19:04:37,167 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-08-22 19:04:37,491 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 19:04:37,503 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 19:04:37,507 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 19:04:37,508 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 19:04:37,509 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 19:04:37,509 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/nested_structure_noptr-1.i [2020-08-22 19:04:37,567 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1308c8994/95f26f7eb0d84d47936d49d090ace15a/FLAGaa256fc9c [2020-08-22 19:04:38,011 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 19:04:38,011 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/nested_structure_noptr-1.i [2020-08-22 19:04:38,018 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1308c8994/95f26f7eb0d84d47936d49d090ace15a/FLAGaa256fc9c [2020-08-22 19:04:38,401 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1308c8994/95f26f7eb0d84d47936d49d090ace15a [2020-08-22 19:04:38,412 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 19:04:38,414 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 19:04:38,415 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 19:04:38,415 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 19:04:38,418 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 19:04:38,419 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 07:04:38" (1/1) ... [2020-08-22 19:04:38,422 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44135d5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:04:38, skipping insertion in model container [2020-08-22 19:04:38,423 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 07:04:38" (1/1) ... [2020-08-22 19:04:38,430 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 19:04:38,448 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 19:04:38,631 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 19:04:38,635 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 19:04:38,656 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 19:04:38,677 INFO L208 MainTranslator]: Completed translation [2020-08-22 19:04:38,678 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:04:38 WrapperNode [2020-08-22 19:04:38,678 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 19:04:38,679 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 19:04:38,679 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 19:04:38,679 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 19:04:38,774 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:04:38" (1/1) ... [2020-08-22 19:04:38,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:04:38" (1/1) ... [2020-08-22 19:04:38,782 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:04:38" (1/1) ... [2020-08-22 19:04:38,782 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:04:38" (1/1) ... [2020-08-22 19:04:38,788 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:04:38" (1/1) ... [2020-08-22 19:04:38,790 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:04:38" (1/1) ... [2020-08-22 19:04:38,791 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:04:38" (1/1) ... [2020-08-22 19:04:38,793 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 19:04:38,793 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 19:04:38,793 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 19:04:38,794 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 19:04:38,794 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:04:38" (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 [2020-08-22 19:04:38,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 19:04:38,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 19:04:38,853 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-08-22 19:04:38,853 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 19:04:38,853 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 19:04:38,853 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-08-22 19:04:38,854 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-22 19:04:38,854 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-08-22 19:04:38,854 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-08-22 19:04:38,854 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 19:04:38,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-22 19:04:38,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-22 19:04:38,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-22 19:04:38,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-22 19:04:38,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-22 19:04:38,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 19:04:38,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 19:04:39,035 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 19:04:39,035 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-08-22 19:04:39,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 07:04:39 BoogieIcfgContainer [2020-08-22 19:04:39,039 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 19:04:39,041 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 19:04:39,041 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 19:04:39,044 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 19:04:39,045 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 07:04:38" (1/3) ... [2020-08-22 19:04:39,045 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2729ab49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 07:04:39, skipping insertion in model container [2020-08-22 19:04:39,046 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:04:38" (2/3) ... [2020-08-22 19:04:39,046 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2729ab49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 07:04:39, skipping insertion in model container [2020-08-22 19:04:39,046 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 07:04:39" (3/3) ... [2020-08-22 19:04:39,048 INFO L109 eAbstractionObserver]: Analyzing ICFG nested_structure_noptr-1.i [2020-08-22 19:04:39,059 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-22 19:04:39,067 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 19:04:39,085 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 19:04:39,149 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 19:04:39,153 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 19:04:39,153 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-08-22 19:04:39,153 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 19:04:39,153 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 19:04:39,153 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 19:04:39,154 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 19:04:39,154 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 19:04:39,174 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states. [2020-08-22 19:04:39,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-08-22 19:04:39,193 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 19:04:39,194 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 19:04:39,194 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 19:04:39,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 19:04:39,199 INFO L82 PathProgramCache]: Analyzing trace with hash 515777756, now seen corresponding path program 1 times [2020-08-22 19:04:39,206 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 19:04:39,207 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [5760235] [2020-08-22 19:04:39,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 19:04:39,265 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 19:04:39,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:04:39,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 19:04:39,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:04:39,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 19:04:39,476 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [5760235] [2020-08-22 19:04:39,478 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 19:04:39,478 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-22 19:04:39,478 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651777294] [2020-08-22 19:04:39,484 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-22 19:04:39,484 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 19:04:39,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-22 19:04:39,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-08-22 19:04:39,502 INFO L87 Difference]: Start difference. First operand 28 states. Second operand 7 states. [2020-08-22 19:04:39,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 19:04:39,741 INFO L93 Difference]: Finished difference Result 38 states and 37 transitions. [2020-08-22 19:04:39,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-22 19:04:39,744 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 17 [2020-08-22 19:04:39,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 19:04:39,756 INFO L225 Difference]: With dead ends: 38 [2020-08-22 19:04:39,756 INFO L226 Difference]: Without dead ends: 0 [2020-08-22 19:04:39,765 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-08-22 19:04:39,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-22 19:04:39,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-22 19:04:39,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-22 19:04:39,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-22 19:04:39,794 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2020-08-22 19:04:39,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 19:04:39,795 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-22 19:04:39,795 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-22 19:04:39,796 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-22 19:04:39,796 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-22 19:04:39,797 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 19:04:39,800 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-22 19:04:40,011 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-08-22 19:04:40,012 INFO L271 CegarLoopResult]: At program point L-1-1(line -1) the Hoare annotation is: true [2020-08-22 19:04:40,012 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-08-22 19:04:40,012 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2020-08-22 19:04:40,013 INFO L271 CegarLoopResult]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2020-08-22 19:04:40,013 INFO L271 CegarLoopResult]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2020-08-22 19:04:40,013 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-08-22 19:04:40,013 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-22 19:04:40,013 INFO L271 CegarLoopResult]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2020-08-22 19:04:40,014 INFO L264 CegarLoopResult]: At program point L32(line 32) the Hoare annotation is: (= (select (select |#memory_int| |main_~#good~0.base|) (+ |main_~#good~0.offset| 8)) 4) [2020-08-22 19:04:40,014 INFO L264 CegarLoopResult]: At program point L31(line 31) the Hoare annotation is: (and (= (select (select |#memory_int| |main_~#good~0.base|) (+ |main_~#good~0.offset| 8)) 4) (= |main_#t~mem0| 4)) [2020-08-22 19:04:40,014 INFO L264 CegarLoopResult]: At program point L30(line 30) the Hoare annotation is: (= (select (select |#memory_int| |main_~#good~0.base|) (+ |main_~#good~0.offset| 8)) 4) [2020-08-22 19:04:40,014 INFO L264 CegarLoopResult]: At program point L31-1(line 31) the Hoare annotation is: (and (= (select (select |#memory_int| |main_~#good~0.base|) (+ |main_~#good~0.offset| 8)) 4) (= |main_#t~mem0| 4)) [2020-08-22 19:04:40,015 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 27 33) the Hoare annotation is: (= |old(#valid)| |#valid|) [2020-08-22 19:04:40,015 INFO L271 CegarLoopResult]: At program point L29(line 29) the Hoare annotation is: true [2020-08-22 19:04:40,015 INFO L271 CegarLoopResult]: At program point L29-1(line 29) the Hoare annotation is: true [2020-08-22 19:04:40,015 INFO L271 CegarLoopResult]: At program point L29-2(line 29) the Hoare annotation is: true [2020-08-22 19:04:40,016 INFO L271 CegarLoopResult]: At program point L29-3(line 29) the Hoare annotation is: true [2020-08-22 19:04:40,016 INFO L264 CegarLoopResult]: At program point L29-4(line 29) the Hoare annotation is: (= (select (select |#memory_int| |main_~#good~0.base|) (+ |main_~#good~0.offset| 8)) 4) [2020-08-22 19:04:40,016 INFO L271 CegarLoopResult]: At program point mainEXIT(lines 27 33) the Hoare annotation is: true [2020-08-22 19:04:40,017 INFO L264 CegarLoopResult]: At program point L29-5(line 29) the Hoare annotation is: (= (select (select |#memory_int| |main_~#good~0.base|) (+ |main_~#good~0.offset| 8)) 4) [2020-08-22 19:04:40,017 INFO L271 CegarLoopResult]: At program point mainFINAL(lines 27 33) the Hoare annotation is: true [2020-08-22 19:04:40,017 INFO L264 CegarLoopResult]: At program point L3-2(lines 2 7) the Hoare annotation is: (or (= |__VERIFIER_assert_#in~cond| 0) (not (= __VERIFIER_assert_~cond 0))) [2020-08-22 19:04:40,017 INFO L271 CegarLoopResult]: At program point __VERIFIER_assertENTRY(lines 2 7) the Hoare annotation is: true [2020-08-22 19:04:40,018 INFO L264 CegarLoopResult]: At program point __VERIFIER_assertEXIT(lines 2 7) the Hoare annotation is: (or (= |__VERIFIER_assert_#in~cond| 0) (not (= __VERIFIER_assert_~cond 0))) [2020-08-22 19:04:40,018 INFO L264 CegarLoopResult]: At program point L4(line 4) the Hoare annotation is: (= |__VERIFIER_assert_#in~cond| 0) [2020-08-22 19:04:40,018 INFO L264 CegarLoopResult]: At program point L3(lines 3 5) the Hoare annotation is: (or (= |__VERIFIER_assert_#in~cond| 0) (not (= __VERIFIER_assert_~cond 0))) [2020-08-22 19:04:40,019 INFO L264 CegarLoopResult]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) the Hoare annotation is: (= |__VERIFIER_assert_#in~cond| 0) [2020-08-22 19:04:40,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 07:04:40 BoogieIcfgContainer [2020-08-22 19:04:40,038 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 19:04:40,040 INFO L168 Benchmark]: Toolchain (without parser) took 1626.26 ms. Allocated memory was 138.4 MB in the beginning and 199.2 MB in the end (delta: 60.8 MB). Free memory was 99.9 MB in the beginning and 104.3 MB in the end (delta: -4.3 MB). Peak memory consumption was 56.5 MB. Max. memory is 7.1 GB. [2020-08-22 19:04:40,042 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 138.4 MB. Free memory was 118.2 MB in the beginning and 118.0 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-08-22 19:04:40,043 INFO L168 Benchmark]: CACSL2BoogieTranslator took 263.59 ms. Allocated memory is still 138.4 MB. Free memory was 99.7 MB in the beginning and 89.6 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2020-08-22 19:04:40,044 INFO L168 Benchmark]: Boogie Preprocessor took 114.39 ms. Allocated memory was 138.4 MB in the beginning and 199.2 MB in the end (delta: 60.8 MB). Free memory was 89.6 MB in the beginning and 177.0 MB in the end (delta: -87.4 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB. [2020-08-22 19:04:40,045 INFO L168 Benchmark]: RCFGBuilder took 246.11 ms. Allocated memory is still 199.2 MB. Free memory was 177.0 MB in the beginning and 162.4 MB in the end (delta: 14.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 7.1 GB. [2020-08-22 19:04:40,045 INFO L168 Benchmark]: TraceAbstraction took 996.98 ms. Allocated memory is still 199.2 MB. Free memory was 162.4 MB in the beginning and 104.3 MB in the end (delta: 58.1 MB). Peak memory consumption was 58.1 MB. Max. memory is 7.1 GB. [2020-08-22 19:04:40,049 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 138.4 MB. Free memory was 118.2 MB in the beginning and 118.0 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 263.59 ms. Allocated memory is still 138.4 MB. Free memory was 99.7 MB in the beginning and 89.6 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 114.39 ms. Allocated memory was 138.4 MB in the beginning and 199.2 MB in the end (delta: 60.8 MB). Free memory was 89.6 MB in the beginning and 177.0 MB in the end (delta: -87.4 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 246.11 ms. Allocated memory is still 199.2 MB. Free memory was 177.0 MB in the beginning and 162.4 MB in the end (delta: 14.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 996.98 ms. Allocated memory is still 199.2 MB. Free memory was 162.4 MB in the beginning and 104.3 MB in the end (delta: 58.1 MB). Peak memory consumption was 58.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: 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 - ProcedureContractResult [Line: 27]: Procedure Contract for main Derived contract for procedure main: 1 - ProcedureContractResult [Line: 2]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert: \old(cond) == 0 || !(cond == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 28 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 19 SDtfs, 12 SDslu, 67 SDs, 0 SdLazy, 43 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=28occurred 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, 28 LocationsWithAnnotation, 28 PreInvPairs, 38 NumberOfFragments, 120 HoareAnnotationTreeSize, 28 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 28 FomulaSimplificationsInter, 66 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: No data available, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...