/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-07 00:51:17,865 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-07 00:51:17,868 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-07 00:51:17,902 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-11-07 00:51:17,916 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-07 00:51:17,917 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-07 00:51:17,919 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-07 00:51:17,920 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-07 00:51:17,921 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-07 00:51:17,922 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-07 00:51:17,924 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-07 00:51:17,939 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-07 00:51:17,941 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-07 00:51:17,946 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-07 00:51:17,947 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-07 00:51:17,948 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-07 00:51:17,951 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-11-07 00:51:17,965 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-11-07 00:51:17,978 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-07 00:51:17,978 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-07 00:51:17,980 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-07 00:51:17,980 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-07 00:51:17,981 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-07 00:51:17,981 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-07 00:51:17,981 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-07 00:51:17,981 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-07 00:51:17,981 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-07 00:51:17,982 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-07 00:51:17,982 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-07 00:51:17,982 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-07 00:51:17,982 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-07 00:51:17,982 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-07 00:51:17,983 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-07 00:51:17,983 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-11-07 00:51:17,983 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-07 00:51:17,983 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-07 00:51:17,984 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-07 00:51:17,984 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-07 00:51:17,984 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-11-07 00:51:17,984 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-07 00:51:17,984 INFO L138 SettingsManager]: * Use separate solver for trace checks=false 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-07 00:51:18,439 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-07 00:51:18,490 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-07 00:51:18,495 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-07 00:51:18,497 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-07 00:51:18,498 INFO L275 PluginConnector]: CDTParser initialized [2020-11-07 00:51:18,499 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/nested_structure-1.i [2020-11-07 00:51:18,602 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc8373455/b1a61480d12c47b59e26349b725dcb73/FLAG0b7dc1d86 [2020-11-07 00:51:19,223 INFO L306 CDTParser]: Found 1 translation units. [2020-11-07 00:51:19,224 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/nested_structure-1.i [2020-11-07 00:51:19,232 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc8373455/b1a61480d12c47b59e26349b725dcb73/FLAG0b7dc1d86 [2020-11-07 00:51:19,571 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc8373455/b1a61480d12c47b59e26349b725dcb73 [2020-11-07 00:51:19,574 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-07 00:51:19,583 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-07 00:51:19,585 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-07 00:51:19,585 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-07 00:51:19,592 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-07 00:51:19,593 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:51:19" (1/1) ... [2020-11-07 00:51:19,597 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@287d8454 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:51:19, skipping insertion in model container [2020-11-07 00:51:19,597 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:51:19" (1/1) ... [2020-11-07 00:51:19,606 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-07 00:51:19,622 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-07 00:51:19,829 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 00:51:19,850 INFO L203 MainTranslator]: Completed pre-run [2020-11-07 00:51:19,871 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 00:51:19,890 INFO L208 MainTranslator]: Completed translation [2020-11-07 00:51:19,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:51:19 WrapperNode [2020-11-07 00:51:19,890 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-07 00:51:19,892 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-07 00:51:19,892 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-07 00:51:19,892 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-07 00:51:19,907 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:51:19" (1/1) ... [2020-11-07 00:51:19,907 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:51:19" (1/1) ... [2020-11-07 00:51:19,916 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:51:19" (1/1) ... [2020-11-07 00:51:19,917 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:51:19" (1/1) ... [2020-11-07 00:51:19,926 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:51:19" (1/1) ... [2020-11-07 00:51:19,928 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:51:19" (1/1) ... [2020-11-07 00:51:19,930 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:51:19" (1/1) ... [2020-11-07 00:51:19,933 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-07 00:51:19,934 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-07 00:51:19,934 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-07 00:51:19,934 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-07 00:51:19,935 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:51:19" (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 [2020-11-07 00:51:20,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-07 00:51:20,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-07 00:51:20,025 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-07 00:51:20,025 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2020-11-07 00:51:20,025 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-07 00:51:20,025 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-07 00:51:20,026 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-07 00:51:20,026 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-07 00:51:20,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-07 00:51:20,026 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2020-11-07 00:51:20,026 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-07 00:51:20,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-07 00:51:20,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-11-07 00:51:20,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-07 00:51:20,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-07 00:51:20,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-07 00:51:20,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-07 00:51:20,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-07 00:51:20,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-07 00:51:20,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-07 00:51:20,446 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-07 00:51:20,446 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-11-07 00:51:20,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:51:20 BoogieIcfgContainer [2020-11-07 00:51:20,448 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-07 00:51:20,450 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-07 00:51:20,450 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-07 00:51:20,456 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-07 00:51:20,457 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:51:19" (1/3) ... [2020-11-07 00:51:20,458 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@513585a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:51:20, skipping insertion in model container [2020-11-07 00:51:20,458 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:51:19" (2/3) ... [2020-11-07 00:51:20,494 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@513585a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:51:20, skipping insertion in model container [2020-11-07 00:51:20,498 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:51:20" (3/3) ... [2020-11-07 00:51:20,503 INFO L111 eAbstractionObserver]: Analyzing ICFG nested_structure-1.i [2020-11-07 00:51:20,548 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-11-07 00:51:20,552 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-07 00:51:20,567 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-07 00:51:20,606 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-07 00:51:20,606 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-07 00:51:20,606 INFO L379 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-11-07 00:51:20,606 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-07 00:51:20,607 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-07 00:51:20,607 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-07 00:51:20,607 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-07 00:51:20,607 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-07 00:51:20,630 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states. [2020-11-07 00:51:20,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-07 00:51:20,643 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 00:51:20,644 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 00:51:20,645 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 00:51:20,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 00:51:20,657 INFO L82 PathProgramCache]: Analyzing trace with hash -735952442, now seen corresponding path program 1 times [2020-11-07 00:51:20,668 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 00:51:20,669 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1997817758] [2020-11-07 00:51:20,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 00:51:20,777 INFO L328 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-11-07 00:51:20,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 00:51:21,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 00:51:21,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 00:51:21,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 00:51:21,613 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1997817758] [2020-11-07 00:51:21,615 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 00:51:21,615 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2020-11-07 00:51:21,616 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029812121] [2020-11-07 00:51:21,621 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-11-07 00:51:21,622 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 00:51:21,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-11-07 00:51:21,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=209, Unknown=0, NotChecked=0, Total=240 [2020-11-07 00:51:21,655 INFO L87 Difference]: Start difference. First operand 52 states. Second operand 16 states. [2020-11-07 00:51:22,213 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2020-11-07 00:51:22,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 00:51:22,654 INFO L93 Difference]: Finished difference Result 66 states and 65 transitions. [2020-11-07 00:51:22,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-11-07 00:51:22,656 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 32 [2020-11-07 00:51:22,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 00:51:22,663 INFO L225 Difference]: With dead ends: 66 [2020-11-07 00:51:22,663 INFO L226 Difference]: Without dead ends: 0 [2020-11-07 00:51:22,668 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=187, Invalid=805, Unknown=0, NotChecked=0, Total=992 [2020-11-07 00:51:22,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-07 00:51:22,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-07 00:51:22,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-07 00:51:22,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-07 00:51:22,697 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2020-11-07 00:51:22,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 00:51:22,697 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-07 00:51:22,697 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-11-07 00:51:22,697 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-07 00:51:22,697 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-07 00:51:22,698 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-07 00:51:22,700 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-07 00:51:23,361 INFO L269 CegarLoopResult]: At program point reach_errorEXIT(line 3) the Hoare annotation is: true [2020-11-07 00:51:23,361 INFO L269 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-11-07 00:51:23,362 INFO L269 CegarLoopResult]: At program point reach_errorFINAL(line 3) the Hoare annotation is: true [2020-11-07 00:51:23,362 INFO L269 CegarLoopResult]: At program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) the Hoare annotation is: true [2020-11-07 00:51:23,362 INFO L269 CegarLoopResult]: At program point L3-2(line 3) the Hoare annotation is: true [2020-11-07 00:51:23,362 INFO L269 CegarLoopResult]: At program point L3-3(line 3) the Hoare annotation is: true [2020-11-07 00:51:23,362 INFO L269 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-11-07 00:51:23,362 INFO L269 CegarLoopResult]: At program point L3-4(line 3) the Hoare annotation is: true [2020-11-07 00:51:23,363 INFO L269 CegarLoopResult]: At program point L-1-1(line -1) the Hoare annotation is: true [2020-11-07 00:51:23,363 INFO L269 CegarLoopResult]: At program point ULTIMATE.initFINAL(line 3) the Hoare annotation is: true [2020-11-07 00:51:23,363 INFO L262 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2020-11-07 00:51:23,363 INFO L269 CegarLoopResult]: At program point L3(line 3) the Hoare annotation is: true [2020-11-07 00:51:23,363 INFO L269 CegarLoopResult]: At program point L3-1(line 3) the Hoare annotation is: true [2020-11-07 00:51:23,364 INFO L269 CegarLoopResult]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2020-11-07 00:51:23,364 INFO L269 CegarLoopResult]: At program point L11(line 11) the Hoare annotation is: true [2020-11-07 00:51:23,364 INFO L269 CegarLoopResult]: At program point __blast_assertEXIT(lines 9 12) the Hoare annotation is: true [2020-11-07 00:51:23,364 INFO L269 CegarLoopResult]: At program point __blast_assertFINAL(lines 9 12) the Hoare annotation is: true [2020-11-07 00:51:23,364 INFO L269 CegarLoopResult]: At program point __blast_assertENTRY(lines 9 12) the Hoare annotation is: true [2020-11-07 00:51:23,364 INFO L269 CegarLoopResult]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2020-11-07 00:51:23,365 INFO L269 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-11-07 00:51:23,365 INFO L269 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-11-07 00:51:23,365 INFO L269 CegarLoopResult]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2020-11-07 00:51:23,365 INFO L262 CegarLoopResult]: At program point L33(line 33) the Hoare annotation is: (let ((.cse2 (+ |main_~#good~0.offset| 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) .cse2))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4))) (and (not (= .cse0 .cse1)) (= (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4)) 4) (= 0 |main_~#im~0.offset|) (not (= |main_~#good~0.base| .cse0)) (= (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) .cse2) 0) (= (select |#valid| |main_~#im~0.base|) 1))))) [2020-11-07 00:51:23,366 INFO L262 CegarLoopResult]: At program point L31(line 31) the Hoare annotation is: (let ((.cse5 (select |#memory_$Pointer$.base| |main_#t~mem7.base|)) (.cse2 (+ |main_~#good~0.offset| 4)) (.cse1 (select (select |#memory_$Pointer$.base| |main_~#inner~0.base|) (+ |main_~#inner~0.offset| 4)))) (let ((.cse0 (select |#memory_int| .cse1)) (.cse4 (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) .cse2)) (.cse3 (select .cse5 (+ |main_#t~mem7.offset| 4)))) (and (= 3 (select (select |#memory_int| |main_~#im~0.base|) 0)) (= (select .cse0 |main_~#good~0.offset|) 3) (= |main_#t~mem7.offset| 0) (not (= |main_~#good~0.base| .cse1)) (= (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) .cse2) 0) (= |main_~#inner~0.offset| 0) (not (= |main_~#good~0.base| .cse3)) (= (select .cse0 0) 3) (= (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (select |#memory_$Pointer$.offset| .cse4)) (= (select |#memory_$Pointer$.base| .cse4) .cse5) (= 0 |main_~#im~0.offset|) (not (= .cse1 |main_~#inner~0.base|)) (= (select |#valid| |main_~#im~0.base|) 1) (not (= .cse4 .cse3)) (not (= |main_~#im~0.base| |main_~#inner~0.base|))))) [2020-11-07 00:51:23,366 INFO L262 CegarLoopResult]: At program point L31-1(line 31) the Hoare annotation is: (let ((.cse2 (+ |main_~#good~0.offset| 4))) (let ((.cse6 (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) .cse2)) (.cse1 (select (select |#memory_$Pointer$.base| |main_~#inner~0.base|) (+ |main_~#inner~0.offset| 4)))) (let ((.cse0 (select |#memory_int| .cse1)) (.cse3 (select |#memory_$Pointer$.offset| .cse6)) (.cse4 (select |#memory_$Pointer$.base| .cse6)) (.cse5 (select |#memory_$Pointer$.base| |main_#t~mem7.base|))) (and (= 3 (select (select |#memory_int| |main_~#im~0.base|) 0)) (= (select .cse0 |main_~#good~0.offset|) 3) (= |main_#t~mem7.offset| 0) (not (= |main_~#good~0.base| .cse1)) (= (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) .cse2) 0) (= |main_~#inner~0.offset| 0) (= |main_#t~mem8.offset| (select .cse3 4)) (= (select .cse0 0) 3) (= (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) .cse3) (= .cse4 .cse5) (= |main_#t~mem8.base| (select .cse4 4)) (= 0 |main_~#im~0.offset|) (not (= |main_~#good~0.base| |main_#t~mem8.base|)) (not (= .cse1 |main_~#inner~0.base|)) (= (select |#valid| |main_~#im~0.base|) 1) (not (= .cse6 (select .cse5 (+ |main_#t~mem7.offset| 4)))) (not (= |main_~#im~0.base| |main_~#inner~0.base|)))))) [2020-11-07 00:51:23,366 INFO L262 CegarLoopResult]: At program point L29(line 29) the Hoare annotation is: (and (= 3 (select (select |#memory_int| |main_~#im~0.base|) 0)) (= 0 |main_~#im~0.offset|) (= |main_~#inner~0.offset| 0) (= (select |#valid| |main_~#im~0.base|) 1) (not (= |main_~#im~0.base| |main_~#inner~0.base|))) [2020-11-07 00:51:23,367 INFO L262 CegarLoopResult]: At program point L31-2(line 31) the Hoare annotation is: (let ((.cse2 (+ |main_~#good~0.offset| 4))) (let ((.cse3 (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) .cse2))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse3) 4)) (.cse1 (select (select |#memory_$Pointer$.offset| .cse3) 4))) (and (= (select (select |#memory_int| .cse0) .cse1) 4) (= |main_#t~mem8.base| .cse0) (= 0 |main_~#im~0.offset|) (not (= |main_~#good~0.base| |main_#t~mem8.base|)) (= (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) .cse2) 0) (= |main_#t~mem8.offset| .cse1) (not (= |main_#t~mem8.base| .cse3)) (= (select |#valid| |main_~#im~0.base|) 1))))) [2020-11-07 00:51:23,367 INFO L262 CegarLoopResult]: At program point L29-1(line 29) the Hoare annotation is: (and (= 3 (select (select |#memory_int| |main_~#im~0.base|) 0)) (= 0 |main_~#im~0.offset|) (= |main_~#inner~0.offset| 0) (= (select |#valid| |main_~#im~0.base|) 1) (not (= |main_~#im~0.base| |main_~#inner~0.base|))) [2020-11-07 00:51:23,367 INFO L262 CegarLoopResult]: At program point L31-3(line 31) the Hoare annotation is: (let ((.cse2 (+ |main_~#good~0.offset| 4))) (let ((.cse3 (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) .cse2))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse3) 4)) (.cse1 (select (select |#memory_$Pointer$.offset| .cse3) 4))) (and (= (select (select |#memory_int| .cse0) .cse1) 4) (= |main_#t~mem8.base| .cse0) (= 0 |main_~#im~0.offset|) (not (= |main_~#good~0.base| |main_#t~mem8.base|)) (= (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) .cse2) 0) (= |main_#t~mem8.offset| .cse1) (not (= |main_#t~mem8.base| .cse3)) (= (select |#valid| |main_~#im~0.base|) 1))))) [2020-11-07 00:51:23,368 INFO L262 CegarLoopResult]: At program point L29-2(line 29) the Hoare annotation is: (let ((.cse0 (select (select |#memory_$Pointer$.base| |main_~#inner~0.base|) (+ |main_~#inner~0.offset| 4)))) (and (= 3 (select (select |#memory_int| |main_~#im~0.base|) 0)) (= 0 |main_~#im~0.offset|) (not (= .cse0 |main_~#inner~0.base|)) (= |main_~#inner~0.offset| 0) (= (select (select |#memory_int| .cse0) 0) 3) (= (select |#valid| |main_~#im~0.base|) 1) (not (= |main_~#im~0.base| |main_~#inner~0.base|)))) [2020-11-07 00:51:23,368 INFO L262 CegarLoopResult]: At program point L29-3(line 29) the Hoare annotation is: (let ((.cse2 (+ |main_~#good~0.offset| 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) .cse2))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4))) (and (not (= .cse0 .cse1)) (= (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4)) 4) (not (= |main_~#good~0.base| .cse0)) (= (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) .cse2) 0))))) [2020-11-07 00:51:23,368 INFO L262 CegarLoopResult]: At program point L29-4(line 29) the Hoare annotation is: (let ((.cse2 (+ |main_~#good~0.offset| 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) .cse2))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4))) (and (not (= .cse0 .cse1)) (= (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4)) 4) (not (= |main_~#good~0.base| .cse0)) (= (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) .cse2) 0))))) [2020-11-07 00:51:23,368 INFO L269 CegarLoopResult]: At program point mainEXIT(lines 26 34) the Hoare annotation is: true [2020-11-07 00:51:23,368 INFO L269 CegarLoopResult]: At program point mainFINAL(lines 26 34) the Hoare annotation is: true [2020-11-07 00:51:23,369 INFO L262 CegarLoopResult]: At program point L32(line 32) the Hoare annotation is: (let ((.cse2 (+ |main_~#good~0.offset| 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) .cse2))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4))) (and (not (= .cse0 .cse1)) (= (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4)) 4) (= 0 |main_~#im~0.offset|) (not (= |main_~#good~0.base| .cse0)) (= (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) .cse2) 0) (= (select |#valid| |main_~#im~0.base|) 1))))) [2020-11-07 00:51:23,369 INFO L262 CegarLoopResult]: At program point L32-1(line 32) the Hoare annotation is: (let ((.cse3 (+ |main_~#good~0.offset| 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) .cse3))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4))) (and (not (= .cse0 .cse1)) (= (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4)) 4) (= 0 |main_~#im~0.offset|) (not (= |main_~#good~0.base| .cse0)) (= (let ((.cse2 (+ |main_#t~mem9.offset| 4))) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_#t~mem9.base|) .cse2)) (select (select |#memory_$Pointer$.offset| |main_#t~mem9.base|) .cse2))) 4) (= (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) .cse3) 0) (= (select |#valid| |main_~#im~0.base|) 1) (= 0 |main_#t~mem9.offset|))))) [2020-11-07 00:51:23,369 INFO L262 CegarLoopResult]: At program point L30(line 30) the Hoare annotation is: (let ((.cse1 (select (select |#memory_$Pointer$.base| |main_~#inner~0.base|) (+ |main_~#inner~0.offset| 4)))) (let ((.cse0 (select |#memory_int| .cse1))) (and (= 3 (select (select |#memory_int| |main_~#im~0.base|) 0)) (= (select .cse0 |main_~#good~0.offset|) 3) (= 0 |main_~#im~0.offset|) (not (= .cse1 |main_~#inner~0.base|)) (= |main_~#inner~0.offset| 0) (= (select .cse0 0) 3) (= (select |#valid| |main_~#im~0.base|) 1) (not (= |main_~#im~0.base| |main_~#inner~0.base|))))) [2020-11-07 00:51:23,370 INFO L262 CegarLoopResult]: At program point L32-2(line 32) the Hoare annotation is: (let ((.cse3 (+ |main_~#good~0.offset| 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) .cse3))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4))) (and (not (= .cse0 .cse1)) (= (select (select |#memory_int| |main_#t~mem10.base|) |main_#t~mem10.offset|) 4) (= (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4)) 4) (= 0 |main_~#im~0.offset|) (not (= |main_~#good~0.base| .cse0)) (= (let ((.cse2 (+ |main_#t~mem9.offset| 4))) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_#t~mem9.base|) .cse2)) (select (select |#memory_$Pointer$.offset| |main_#t~mem9.base|) .cse2))) 4) (= (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) .cse3) 0) (= (select |#valid| |main_~#im~0.base|) 1) (= 0 |main_#t~mem9.offset|))))) [2020-11-07 00:51:23,370 INFO L262 CegarLoopResult]: At program point mainENTRY(lines 26 34) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2020-11-07 00:51:23,370 INFO L262 CegarLoopResult]: At program point L30-1(line 30) the Hoare annotation is: (let ((.cse1 (select (select |#memory_$Pointer$.base| |main_~#inner~0.base|) (+ |main_~#inner~0.offset| 4)))) (let ((.cse0 (select |#memory_int| .cse1))) (and (= 3 (select (select |#memory_int| |main_~#im~0.base|) 0)) (= (select .cse0 |main_~#good~0.offset|) 3) (= 0 |main_~#im~0.offset|) (not (= |main_~#good~0.base| .cse1)) (not (= .cse1 |main_~#inner~0.base|)) (= |main_~#inner~0.offset| 0) (= (select .cse0 0) 3) (= (select |#valid| |main_~#im~0.base|) 1) (not (= |main_~#im~0.base| |main_~#inner~0.base|))))) [2020-11-07 00:51:23,371 INFO L262 CegarLoopResult]: At program point L32-3(line 32) the Hoare annotation is: (let ((.cse3 (+ |main_~#good~0.offset| 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) .cse3))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4))) (and (not (= .cse0 .cse1)) (= (select (select |#memory_int| |main_#t~mem10.base|) |main_#t~mem10.offset|) 4) (= |main_#t~mem11| 4) (= (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4)) 4) (= 0 |main_~#im~0.offset|) (not (= |main_~#good~0.base| .cse0)) (= (let ((.cse2 (+ |main_#t~mem9.offset| 4))) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_#t~mem9.base|) .cse2)) (select (select |#memory_$Pointer$.offset| |main_#t~mem9.base|) .cse2))) 4) (= (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) .cse3) 0) (= (select |#valid| |main_~#im~0.base|) 1) (= 0 |main_#t~mem9.offset|))))) [2020-11-07 00:51:23,371 INFO L262 CegarLoopResult]: At program point L28(line 28) the Hoare annotation is: (and (= 0 |main_~#im~0.offset|) (= (select |#valid| |main_~#im~0.base|) 1)) [2020-11-07 00:51:23,371 INFO L262 CegarLoopResult]: At program point L30-2(line 30) the Hoare annotation is: (let ((.cse4 (+ |main_~#good~0.offset| 4))) (let ((.cse3 (select (select |#memory_$Pointer$.base| |main_~#inner~0.base|) (+ |main_~#inner~0.offset| 4))) (.cse1 (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) .cse4))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4)) (.cse2 (select |#memory_int| .cse3))) (and (not (= .cse0 .cse1)) (= 3 (select (select |#memory_int| |main_~#im~0.base|) 0)) (= (select .cse2 |main_~#good~0.offset|) 3) (= 0 |main_~#im~0.offset|) (not (= |main_~#good~0.base| .cse3)) (not (= .cse3 |main_~#inner~0.base|)) (not (= |main_~#good~0.base| .cse0)) (= (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) .cse4) 0) (= |main_~#inner~0.offset| 0) (= (select .cse2 0) 3) (= (select |#valid| |main_~#im~0.base|) 1) (not (= |main_~#im~0.base| |main_~#inner~0.base|)))))) [2020-11-07 00:51:23,371 INFO L262 CegarLoopResult]: At program point L28-1(line 28) the Hoare annotation is: (and (= 3 (select (select |#memory_int| |main_~#im~0.base|) 0)) (= 0 |main_~#im~0.offset|) (= (select |#valid| |main_~#im~0.base|) 1)) [2020-11-07 00:51:23,372 INFO L262 CegarLoopResult]: At program point L32-5(line 32) the Hoare annotation is: false [2020-11-07 00:51:23,372 INFO L262 CegarLoopResult]: At program point L30-3(line 30) the Hoare annotation is: (let ((.cse2 (+ |main_~#good~0.offset| 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) .cse2))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4))) (and (not (= .cse0 .cse1)) (= (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4)) 4) (not (= |main_~#good~0.base| .cse0)) (= (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) .cse2) 0))))) [2020-11-07 00:51:23,372 INFO L262 CegarLoopResult]: At program point L32-6(line 32) the Hoare annotation is: (let ((.cse3 (+ |main_~#good~0.offset| 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) .cse3))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4))) (and (not (= .cse0 .cse1)) (= (select (select |#memory_int| |main_#t~mem10.base|) |main_#t~mem10.offset|) 4) (= |main_#t~mem11| 4) (= (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4)) 4) (= 0 |main_~#im~0.offset|) (not (= |main_~#good~0.base| .cse0)) (= (let ((.cse2 (+ |main_#t~mem9.offset| 4))) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_#t~mem9.base|) .cse2)) (select (select |#memory_$Pointer$.offset| |main_#t~mem9.base|) .cse2))) 4) (= (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) .cse3) 0) (= (select |#valid| |main_~#im~0.base|) 1) (= 0 |main_#t~mem9.offset|))))) [2020-11-07 00:51:23,372 INFO L262 CegarLoopResult]: At program point L28-2(line 28) the Hoare annotation is: (let ((.cse2 (+ |main_~#good~0.offset| 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) .cse2))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4))) (and (not (= .cse0 .cse1)) (= (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4)) 4) (= 0 |main_~#im~0.offset|) (not (= |main_~#good~0.base| .cse0)) (= (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) .cse2) 0) (= (select |#valid| |main_~#im~0.base|) 1))))) [2020-11-07 00:51:23,373 INFO L262 CegarLoopResult]: At program point L30-4(line 30) the Hoare annotation is: (let ((.cse2 (+ |main_~#good~0.offset| 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) .cse2))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4))) (and (not (= .cse0 .cse1)) (= (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4)) 4) (not (= |main_~#good~0.base| .cse0)) (= (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) .cse2) 0))))) [2020-11-07 00:51:23,373 INFO L262 CegarLoopResult]: At program point L32-7(line 32) the Hoare annotation is: (let ((.cse2 (+ |main_~#good~0.offset| 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) .cse2))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4))) (and (not (= .cse0 .cse1)) (= (select (select |#memory_int| |main_#t~mem10.base|) |main_#t~mem10.offset|) 4) (= |main_#t~mem11| 4) (= (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4)) 4) (= 0 |main_~#im~0.offset|) (not (= |main_~#good~0.base| .cse0)) (= (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) .cse2) 0) (= (select |#valid| |main_~#im~0.base|) 1))))) [2020-11-07 00:51:23,373 INFO L262 CegarLoopResult]: At program point L28-3(line 28) the Hoare annotation is: (let ((.cse2 (+ |main_~#good~0.offset| 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) .cse2))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4))) (and (not (= .cse0 .cse1)) (= (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4)) 4) (not (= |main_~#good~0.base| .cse0)) (= (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) .cse2) 0))))) [2020-11-07 00:51:23,374 INFO L262 CegarLoopResult]: At program point L32-8(line 32) the Hoare annotation is: (let ((.cse2 (+ |main_~#good~0.offset| 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) .cse2))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4))) (and (not (= .cse0 .cse1)) (= |main_#t~mem11| 4) (= (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4)) 4) (= 0 |main_~#im~0.offset|) (not (= |main_~#good~0.base| .cse0)) (= (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) .cse2) 0) (= (select |#valid| |main_~#im~0.base|) 1))))) [2020-11-07 00:51:23,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 12:51:23 BoogieIcfgContainer [2020-11-07 00:51:23,385 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-07 00:51:23,388 INFO L168 Benchmark]: Toolchain (without parser) took 3810.25 ms. Allocated memory was 151.0 MB in the beginning and 181.4 MB in the end (delta: 30.4 MB). Free memory was 128.2 MB in the beginning and 112.8 MB in the end (delta: 15.3 MB). Peak memory consumption was 87.6 MB. Max. memory is 8.0 GB. [2020-11-07 00:51:23,389 INFO L168 Benchmark]: CDTParser took 2.85 ms. Allocated memory is still 151.0 MB. Free memory is still 125.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-11-07 00:51:23,390 INFO L168 Benchmark]: CACSL2BoogieTranslator took 306.31 ms. Allocated memory is still 151.0 MB. Free memory was 127.6 MB in the beginning and 118.0 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2020-11-07 00:51:23,391 INFO L168 Benchmark]: Boogie Preprocessor took 41.24 ms. Allocated memory is still 151.0 MB. Free memory was 118.0 MB in the beginning and 116.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-11-07 00:51:23,392 INFO L168 Benchmark]: RCFGBuilder took 514.46 ms. Allocated memory is still 151.0 MB. Free memory was 116.5 MB in the beginning and 99.9 MB in the end (delta: 16.6 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. [2020-11-07 00:51:23,393 INFO L168 Benchmark]: TraceAbstraction took 2935.34 ms. Allocated memory was 151.0 MB in the beginning and 181.4 MB in the end (delta: 30.4 MB). Free memory was 99.4 MB in the beginning and 112.8 MB in the end (delta: -13.4 MB). Peak memory consumption was 59.3 MB. Max. memory is 8.0 GB. [2020-11-07 00:51:23,397 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.85 ms. Allocated memory is still 151.0 MB. Free memory is still 125.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 306.31 ms. Allocated memory is still 151.0 MB. Free memory was 127.6 MB in the beginning and 118.0 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 41.24 ms. Allocated memory is still 151.0 MB. Free memory was 118.0 MB in the beginning and 116.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 514.46 ms. Allocated memory is still 151.0 MB. Free memory was 116.5 MB in the beginning and 99.9 MB in the end (delta: 16.6 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2935.34 ms. Allocated memory was 151.0 MB in the beginning and 181.4 MB in the end (delta: 30.4 MB). Free memory was 99.4 MB in the beginning and 112.8 MB in the end (delta: -13.4 MB). Peak memory consumption was 59.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: 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: 3]: Procedure Contract for reach_error Derived contract for procedure reach_error: 1 - ProcedureContractResult [Line: 9]: Procedure Contract for __blast_assert Derived contract for procedure __blast_assert: 1 - ProcedureContractResult [Line: 26]: Procedure Contract for main Derived contract for procedure main: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 52 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.0s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 25 SDtfs, 78 SDslu, 226 SDs, 0 SdLazy, 226 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 33 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=52occurred 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, 52 LocationsWithAnnotation, 52 PreInvPairs, 66 NumberOfFragments, 2069 HoareAnnotationTreeSize, 52 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 52 FomulaSimplificationsInter, 24 FormulaSimplificationTreeSizeReductionInter, 0.5s 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...