/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_ptr-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-72570d3 [2020-08-22 19:04:42,193 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 19:04:42,195 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 19:04:42,219 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-08-22 19:04:42,228 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 19:04:42,229 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 19:04:42,230 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 19:04:42,231 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 19:04:42,232 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 19:04:42,233 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 19:04:42,236 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 19:04:42,238 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 19:04:42,240 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 19:04:42,241 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 19:04:42,242 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 19:04:42,243 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 19:04:42,245 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-22 19:04:42,252 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 19:04:42,253 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 19:04:42,253 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 19:04:42,254 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 19:04:42,263 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 19:04:42,264 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 19:04:42,265 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 19:04:42,265 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 19:04:42,265 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 19:04:42,265 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 19:04:42,266 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 19:04:42,266 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 19:04:42,266 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 19:04:42,266 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 19:04:42,266 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 19:04:42,267 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 19:04:42,267 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 19:04:42,267 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 19:04:42,267 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 19:04:42,267 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-08-22 19:04:42,268 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 19:04:42,268 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 19:04:42,268 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 19:04:42,268 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 19:04:42,268 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-08-22 19:04:42,269 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 19:04:42,269 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-08-22 19:04:42,559 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 19:04:42,570 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 19:04:42,573 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 19:04:42,574 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 19:04:42,574 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 19:04:42,575 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/nested_structure_ptr-1.i [2020-08-22 19:04:42,647 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2936be1c/f447e0455169490ba08bebc9b11a6925/FLAGa231b7626 [2020-08-22 19:04:43,076 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 19:04:43,077 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/nested_structure_ptr-1.i [2020-08-22 19:04:43,082 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2936be1c/f447e0455169490ba08bebc9b11a6925/FLAGa231b7626 [2020-08-22 19:04:43,462 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2936be1c/f447e0455169490ba08bebc9b11a6925 [2020-08-22 19:04:43,473 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 19:04:43,475 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 19:04:43,476 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 19:04:43,477 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 19:04:43,480 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 19:04:43,481 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 07:04:43" (1/1) ... [2020-08-22 19:04:43,484 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e6cae7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:04:43, skipping insertion in model container [2020-08-22 19:04:43,484 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 07:04:43" (1/1) ... [2020-08-22 19:04:43,492 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 19:04:43,514 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 19:04:43,753 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 19:04:43,763 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 19:04:43,781 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 19:04:43,797 INFO L208 MainTranslator]: Completed translation [2020-08-22 19:04:43,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:04:43 WrapperNode [2020-08-22 19:04:43,798 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 19:04:43,799 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 19:04:43,799 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 19:04:43,799 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 19:04:43,893 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:04:43" (1/1) ... [2020-08-22 19:04:43,893 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:04:43" (1/1) ... [2020-08-22 19:04:43,902 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:04:43" (1/1) ... [2020-08-22 19:04:43,903 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:04:43" (1/1) ... [2020-08-22 19:04:43,911 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:04:43" (1/1) ... [2020-08-22 19:04:43,913 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:04:43" (1/1) ... [2020-08-22 19:04:43,914 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:04:43" (1/1) ... [2020-08-22 19:04:43,917 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 19:04:43,917 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 19:04:43,917 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 19:04:43,917 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 19:04:43,918 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:04:43" (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 19:04:43,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 19:04:43,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 19:04:43,980 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2020-08-22 19:04:43,980 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 19:04:43,980 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 19:04:43,981 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2020-08-22 19:04:43,981 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 19:04:43,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-22 19:04:43,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-22 19:04:43,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-08-22 19:04:43,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-22 19:04:43,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-22 19:04:43,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-22 19:04:43,982 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-22 19:04:43,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 19:04:43,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 19:04:43,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-22 19:04:44,275 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 19:04:44,275 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-08-22 19:04:44,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 07:04:44 BoogieIcfgContainer [2020-08-22 19:04:44,280 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 19:04:44,294 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 19:04:44,294 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 19:04:44,297 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 19:04:44,297 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 07:04:43" (1/3) ... [2020-08-22 19:04:44,299 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@690f6459 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 07:04:44, skipping insertion in model container [2020-08-22 19:04:44,299 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:04:43" (2/3) ... [2020-08-22 19:04:44,300 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@690f6459 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 07:04:44, skipping insertion in model container [2020-08-22 19:04:44,300 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 07:04:44" (3/3) ... [2020-08-22 19:04:44,307 INFO L109 eAbstractionObserver]: Analyzing ICFG nested_structure_ptr-1.i [2020-08-22 19:04:44,317 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-22 19:04:44,324 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 19:04:44,337 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 19:04:44,358 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 19:04:44,358 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 19:04:44,359 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-08-22 19:04:44,359 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 19:04:44,359 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 19:04:44,359 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 19:04:44,359 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 19:04:44,359 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 19:04:44,372 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states. [2020-08-22 19:04:44,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-08-22 19:04:44,381 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 19:04:44,382 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] [2020-08-22 19:04:44,382 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 19:04:44,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 19:04:44,387 INFO L82 PathProgramCache]: Analyzing trace with hash -26011663, now seen corresponding path program 1 times [2020-08-22 19:04:44,394 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 19:04:44,394 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1456499152] [2020-08-22 19:04:44,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 19:04:44,463 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 19:04:44,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:04:45,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 19:04:45,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:04:45,218 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 19:04:45,221 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1456499152] [2020-08-22 19:04:45,224 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 19:04:45,224 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-08-22 19:04:45,226 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948425543] [2020-08-22 19:04:45,232 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-08-22 19:04:45,233 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 19:04:45,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-08-22 19:04:45,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=238, Unknown=0, NotChecked=0, Total=272 [2020-08-22 19:04:45,253 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 17 states. [2020-08-22 19:04:45,949 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2020-08-22 19:04:46,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 19:04:46,539 INFO L93 Difference]: Finished difference Result 58 states and 57 transitions. [2020-08-22 19:04:46,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-08-22 19:04:46,542 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 27 [2020-08-22 19:04:46,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 19:04:46,549 INFO L225 Difference]: With dead ends: 58 [2020-08-22 19:04:46,550 INFO L226 Difference]: Without dead ends: 0 [2020-08-22 19:04:46,554 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 158 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=221, Invalid=969, Unknown=0, NotChecked=0, Total=1190 [2020-08-22 19:04:46,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-22 19:04:46,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-22 19:04:46,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-22 19:04:46,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-22 19:04:46,582 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2020-08-22 19:04:46,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 19:04:46,582 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-22 19:04:46,582 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-08-22 19:04:46,583 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-22 19:04:46,583 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-22 19:04:46,583 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 19:04:46,586 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-22 19:04:47,337 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-08-22 19:04:47,337 INFO L271 CegarLoopResult]: At program point L-1-1(line -1) the Hoare annotation is: true [2020-08-22 19:04:47,338 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-08-22 19:04:47,338 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 19:04:47,338 INFO L271 CegarLoopResult]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2020-08-22 19:04:47,338 INFO L271 CegarLoopResult]: At program point __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 10) the Hoare annotation is: true [2020-08-22 19:04:47,339 INFO L271 CegarLoopResult]: At program point __blast_assertEXIT(lines 8 11) the Hoare annotation is: true [2020-08-22 19:04:47,339 INFO L271 CegarLoopResult]: At program point __blast_assertFINAL(lines 8 11) the Hoare annotation is: true [2020-08-22 19:04:47,339 INFO L271 CegarLoopResult]: At program point __blast_assertENTRY(lines 8 11) the Hoare annotation is: true [2020-08-22 19:04:47,339 INFO L271 CegarLoopResult]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2020-08-22 19:04:47,340 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-08-22 19:04:47,340 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-22 19:04:47,340 INFO L271 CegarLoopResult]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2020-08-22 19:04:47,340 INFO L264 CegarLoopResult]: At program point L33(line 33) the Hoare annotation is: (let ((.cse2 (+ main_~ptr~0.offset 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| main_~ptr~0.base) .cse2))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4))) (and (= 0 |main_~#im~0.offset|) (= (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4)) 4) (= main_~ptr~0.offset 0) (= (select |#valid| |main_~#im~0.base|) 1) (not (= .cse1 .cse0)) (not (= main_~ptr~0.base .cse0)) (= (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) .cse2) 0))))) [2020-08-22 19:04:47,341 INFO L264 CegarLoopResult]: At program point L31(line 31) the Hoare annotation is: (let ((.cse1 (+ |main_~#good~0.offset| 4)) (.cse3 (+ main_~ptr~0.offset 4))) (let ((.cse6 (select (select |#memory_$Pointer$.base| main_~ptr~0.base) .cse3)) (.cse5 (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) .cse1))) (let ((.cse0 (select (select |#memory_$Pointer$.base| |main_~#inner~0.base|) (+ |main_~#inner~0.offset| 4))) (.cse4 (select (select |#memory_$Pointer$.base| .cse5) 4)) (.cse2 (select (select |#memory_$Pointer$.base| .cse6) 4))) (and (= 3 (select (select |#memory_int| |main_~#im~0.base|) 0)) (= (select (select |#memory_int| .cse0) |main_~#good~0.offset|) 3) (not (= |main_~#good~0.base| .cse0)) (= (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) .cse1) 0) (= |main_~#inner~0.offset| 0) (= main_~ptr~0.offset 0) (not (= main_~ptr~0.base .cse2)) (= (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) .cse3) 0) (= |main_~#good~0.offset| 0) (not (= .cse4 .cse5)) (= 0 |main_~#im~0.offset|) (not (= .cse0 |main_~#inner~0.base|)) (not (= |main_~#good~0.base| .cse4)) (= (select |#valid| |main_~#im~0.base|) 1) (not (= .cse6 .cse2)) (not (= |main_~#im~0.base| |main_~#inner~0.base|)))))) [2020-08-22 19:04:47,351 INFO L264 CegarLoopResult]: At program point L31-1(line 31) the Hoare annotation is: (let ((.cse3 (+ |main_~#good~0.offset| 4))) (let ((.cse5 (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) .cse3))) (let ((.cse0 (+ main_~ptr~0.offset 4)) (.cse1 (select (select |#memory_$Pointer$.base| |main_#t~mem0.base|) (+ |main_#t~mem0.offset| 4))) (.cse2 (select (select |#memory_$Pointer$.base| |main_~#inner~0.base|) (+ |main_~#inner~0.offset| 4))) (.cse4 (select (select |#memory_$Pointer$.base| .cse5) 4))) (and (= |main_#t~mem0.base| (select (select |#memory_$Pointer$.base| main_~ptr~0.base) .cse0)) (not (= .cse1 main_~ptr~0.base)) (= 3 (select (select |#memory_int| |main_~#im~0.base|) 0)) (= (select (select |#memory_int| .cse2) |main_~#good~0.offset|) 3) (not (= |main_~#good~0.base| .cse2)) (= (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) .cse3) 0) (= |main_~#inner~0.offset| 0) (= main_~ptr~0.offset 0) (= (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) .cse0) 0) (not (= .cse1 |main_#t~mem0.base|)) (= |main_~#good~0.offset| 0) (not (= .cse4 .cse5)) (= |main_#t~mem0.offset| 0) (= 0 |main_~#im~0.offset|) (not (= .cse2 |main_~#inner~0.base|)) (not (= |main_~#good~0.base| .cse4)) (= (select |#valid| |main_~#im~0.base|) 1) (not (= |main_~#im~0.base| |main_~#inner~0.base|)))))) [2020-08-22 19:04:47,352 INFO L264 CegarLoopResult]: At program point L29(line 29) the Hoare annotation is: (let ((.cse0 (select (select |#memory_$Pointer$.base| |main_~#inner~0.base|) (+ |main_~#inner~0.offset| 4)))) (and (= |main_~#good~0.offset| 0) (= 3 (select (select |#memory_int| |main_~#im~0.base|) 0)) (= (select (select |#memory_int| .cse0) |main_~#good~0.offset|) 3) (= 0 |main_~#im~0.offset|) (not (= .cse0 |main_~#inner~0.base|)) (= |main_~#inner~0.offset| 0) (= (select |#valid| |main_~#im~0.base|) 1) (not (= |main_~#im~0.base| |main_~#inner~0.base|)))) [2020-08-22 19:04:47,353 INFO L264 CegarLoopResult]: At program point L31-2(line 31) the Hoare annotation is: (let ((.cse2 (+ |main_~#good~0.offset| 4))) (let ((.cse5 (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) .cse2)) (.cse3 (+ main_~ptr~0.offset 4))) (let ((.cse0 (select (select |#memory_$Pointer$.base| main_~ptr~0.base) .cse3)) (.cse1 (select (select |#memory_$Pointer$.base| |main_~#inner~0.base|) (+ |main_~#inner~0.offset| 4))) (.cse4 (select (select |#memory_$Pointer$.base| .cse5) 4))) (and (= |main_#t~mem0.base| .cse0) (= 3 (select (select |#memory_int| |main_~#im~0.base|) 0)) (not (= |main_#t~mem1.base| main_~ptr~0.base)) (= (select (select |#memory_int| .cse1) |main_~#good~0.offset|) 3) (not (= |main_~#good~0.base| .cse1)) (= (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) .cse2) 0) (= |main_~#inner~0.offset| 0) (= main_~ptr~0.offset 0) (= (select (select |#memory_$Pointer$.offset| .cse0) 4) |main_#t~mem1.offset|) (= (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) .cse3) 0) (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem0.base|) (+ |main_#t~mem0.offset| 4)) |main_#t~mem0.base|)) (= |main_~#good~0.offset| 0) (not (= .cse4 .cse5)) (= |main_#t~mem0.offset| 0) (= |main_#t~mem1.base| (select (select |#memory_$Pointer$.base| .cse0) 4)) (= 0 |main_~#im~0.offset|) (not (= .cse1 |main_~#inner~0.base|)) (not (= |main_~#good~0.base| .cse4)) (= (select |#valid| |main_~#im~0.base|) 1) (not (= |main_~#im~0.base| |main_~#inner~0.base|)))))) [2020-08-22 19:04:47,353 INFO L264 CegarLoopResult]: At program point L29-1(line 29) the Hoare annotation is: (let ((.cse0 (select (select |#memory_$Pointer$.base| |main_~#inner~0.base|) (+ |main_~#inner~0.offset| 4)))) (and (= |main_~#good~0.offset| 0) (= 3 (select (select |#memory_int| |main_~#im~0.base|) 0)) (= (select (select |#memory_int| .cse0) |main_~#good~0.offset|) 3) (= 0 |main_~#im~0.offset|) (not (= |main_~#good~0.base| .cse0)) (not (= .cse0 |main_~#inner~0.base|)) (= |main_~#inner~0.offset| 0) (= (select |#valid| |main_~#im~0.base|) 1) (not (= |main_~#im~0.base| |main_~#inner~0.base|)))) [2020-08-22 19:04:47,353 INFO L264 CegarLoopResult]: At program point L31-3(line 31) the Hoare annotation is: (let ((.cse3 (+ main_~ptr~0.offset 4))) (let ((.cse0 (select (select |#memory_$Pointer$.base| main_~ptr~0.base) .cse3))) (let ((.cse1 (select (select |#memory_$Pointer$.base| .cse0) 4)) (.cse2 (select (select |#memory_$Pointer$.offset| .cse0) 4))) (and (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem0.base|) (+ |main_#t~mem0.offset| 4)) |main_#t~mem0.base|)) (= |main_#t~mem0.base| .cse0) (= |main_#t~mem0.offset| 0) (not (= |main_#t~mem1.base| main_~ptr~0.base)) (= |main_#t~mem1.base| .cse1) (= 0 |main_~#im~0.offset|) (= (select (select |#memory_int| .cse1) .cse2) 4) (= main_~ptr~0.offset 0) (= (select |#valid| |main_~#im~0.base|) 1) (= .cse2 |main_#t~mem1.offset|) (= (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) .cse3) 0))))) [2020-08-22 19:04:47,353 INFO L264 CegarLoopResult]: At program point L27(line 27) the Hoare annotation is: (and (= 0 |main_~#im~0.offset|) (= (select |#valid| |main_~#im~0.base|) 1)) [2020-08-22 19:04:47,354 INFO L264 CegarLoopResult]: At program point L29-2(line 29) the Hoare annotation is: (let ((.cse3 (+ |main_~#good~0.offset| 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) .cse3))) (let ((.cse2 (select (select |#memory_$Pointer$.base| |main_~#inner~0.base|) (+ |main_~#inner~0.offset| 4))) (.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4))) (and (= |main_~#good~0.offset| 0) (not (= .cse0 .cse1)) (= 3 (select (select |#memory_int| |main_~#im~0.base|) 0)) (= (select (select |#memory_int| .cse2) |main_~#good~0.offset|) 3) (= 0 |main_~#im~0.offset|) (not (= |main_~#good~0.base| .cse2)) (not (= .cse2 |main_~#inner~0.base|)) (not (= |main_~#good~0.base| .cse0)) (= (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) .cse3) 0) (= |main_~#inner~0.offset| 0) (= (select |#valid| |main_~#im~0.base|) 1) (not (= |main_~#im~0.base| |main_~#inner~0.base|)))))) [2020-08-22 19:04:47,354 INFO L264 CegarLoopResult]: At program point L31-4(line 31) the Hoare annotation is: (let ((.cse2 (+ main_~ptr~0.offset 4))) (let ((.cse0 (select (select |#memory_$Pointer$.base| |main_#t~mem0.base|) (+ |main_#t~mem0.offset| 4))) (.cse1 (select (select |#memory_$Pointer$.base| main_~ptr~0.base) .cse2))) (and (not (= .cse0 |main_#t~mem0.base|)) (= |main_#t~mem0.base| .cse1) (not (= .cse0 main_~ptr~0.base)) (= |main_#t~mem0.offset| 0) (= 0 |main_~#im~0.offset|) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| .cse1) 4)) (select (select |#memory_$Pointer$.offset| .cse1) 4)) 4) (= main_~ptr~0.offset 0) (= (select |#valid| |main_~#im~0.base|) 1) (= (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) .cse2) 0)))) [2020-08-22 19:04:47,354 INFO L264 CegarLoopResult]: At program point L27-1(line 27) 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)) [2020-08-22 19:04:47,355 INFO L264 CegarLoopResult]: At program point L29-3(line 29) the Hoare annotation is: (let ((.cse2 (+ main_~ptr~0.offset 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| main_~ptr~0.base) .cse2))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4))) (and (= (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4)) 4) (= main_~ptr~0.offset 0) (not (= .cse1 .cse0)) (not (= main_~ptr~0.base .cse0)) (= (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) .cse2) 0))))) [2020-08-22 19:04:47,355 INFO L264 CegarLoopResult]: At program point L27-2(line 27) the Hoare annotation is: (let ((.cse2 (+ main_~ptr~0.offset 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| main_~ptr~0.base) .cse2))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4))) (and (= 0 |main_~#im~0.offset|) (= (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4)) 4) (= main_~ptr~0.offset 0) (= (select |#valid| |main_~#im~0.base|) 1) (not (= .cse1 .cse0)) (not (= main_~ptr~0.base .cse0)) (= (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) .cse2) 0))))) [2020-08-22 19:04:47,355 INFO L264 CegarLoopResult]: At program point L29-4(line 29) the Hoare annotation is: (let ((.cse2 (+ main_~ptr~0.offset 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| main_~ptr~0.base) .cse2))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4))) (and (= (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4)) 4) (= main_~ptr~0.offset 0) (not (= .cse1 .cse0)) (not (= main_~ptr~0.base .cse0)) (= (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) .cse2) 0))))) [2020-08-22 19:04:47,356 INFO L264 CegarLoopResult]: At program point mainEXIT(lines 25 34) the Hoare annotation is: (let ((.cse2 (+ main_~ptr~0.offset 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| main_~ptr~0.base) .cse2))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4))) (and (= (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4)) 4) (= main_~ptr~0.offset 0) (not (= .cse1 .cse0)) (not (= main_~ptr~0.base .cse0)) (= (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) .cse2) 0))))) [2020-08-22 19:04:47,356 INFO L264 CegarLoopResult]: At program point L27-3(line 27) the Hoare annotation is: (let ((.cse2 (+ main_~ptr~0.offset 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| main_~ptr~0.base) .cse2))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4))) (and (= (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4)) 4) (= main_~ptr~0.offset 0) (not (= .cse1 .cse0)) (not (= main_~ptr~0.base .cse0)) (= (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) .cse2) 0))))) [2020-08-22 19:04:47,356 INFO L264 CegarLoopResult]: At program point mainFINAL(lines 25 34) the Hoare annotation is: (let ((.cse2 (+ main_~ptr~0.offset 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| main_~ptr~0.base) .cse2))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4))) (and (= (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4)) 4) (= main_~ptr~0.offset 0) (not (= .cse1 .cse0)) (not (= main_~ptr~0.base .cse0)) (= (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) .cse2) 0))))) [2020-08-22 19:04:47,356 INFO L264 CegarLoopResult]: At program point L32(line 32) the Hoare annotation is: (let ((.cse2 (+ main_~ptr~0.offset 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| main_~ptr~0.base) .cse2))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4))) (and (= 0 |main_~#im~0.offset|) (= (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4)) 4) (= main_~ptr~0.offset 0) (= (select |#valid| |main_~#im~0.base|) 1) (not (= .cse1 .cse0)) (not (= main_~ptr~0.base .cse0)) (= (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) .cse2) 0))))) [2020-08-22 19:04:47,357 INFO L264 CegarLoopResult]: At program point L32-1(line 32) the Hoare annotation is: (let ((.cse3 (+ main_~ptr~0.offset 4))) (let ((.cse2 (select (select |#memory_$Pointer$.base| main_~ptr~0.base) .cse3))) (let ((.cse1 (select (select |#memory_$Pointer$.base| .cse2) 4))) (and (= 0 |main_~#im~0.offset|) (= (let ((.cse0 (+ |main_#t~mem2.offset| 4))) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_#t~mem2.base|) .cse0)) (select (select |#memory_$Pointer$.offset| |main_#t~mem2.base|) .cse0))) 4) (= (select (select |#memory_int| .cse1) (select (select |#memory_$Pointer$.offset| .cse2) 4)) 4) (= main_~ptr~0.offset 0) (= |main_#t~mem2.offset| 0) (= (select |#valid| |main_~#im~0.base|) 1) (not (= .cse2 .cse1)) (not (= main_~ptr~0.base .cse1)) (= (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) .cse3) 0))))) [2020-08-22 19:04:47,357 INFO L264 CegarLoopResult]: At program point L32-2(line 32) the Hoare annotation is: (let ((.cse3 (+ main_~ptr~0.offset 4))) (let ((.cse2 (select (select |#memory_$Pointer$.base| main_~ptr~0.base) .cse3))) (let ((.cse1 (select (select |#memory_$Pointer$.base| .cse2) 4))) (and (= 0 |main_~#im~0.offset|) (= (let ((.cse0 (+ |main_#t~mem2.offset| 4))) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_#t~mem2.base|) .cse0)) (select (select |#memory_$Pointer$.offset| |main_#t~mem2.base|) .cse0))) 4) (= (select (select |#memory_int| .cse1) (select (select |#memory_$Pointer$.offset| .cse2) 4)) 4) (= main_~ptr~0.offset 0) (= |main_#t~mem2.offset| 0) (= (select |#valid| |main_~#im~0.base|) 1) (not (= .cse2 .cse1)) (not (= main_~ptr~0.base .cse1)) (= 4 (select (select |#memory_int| |main_#t~mem3.base|) |main_#t~mem3.offset|)) (= (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) .cse3) 0))))) [2020-08-22 19:04:47,357 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 25 34) the Hoare annotation is: (= |old(#valid)| |#valid|) [2020-08-22 19:04:47,358 INFO L264 CegarLoopResult]: At program point L32-3(line 32) the Hoare annotation is: (let ((.cse3 (+ main_~ptr~0.offset 4))) (let ((.cse2 (select (select |#memory_$Pointer$.base| main_~ptr~0.base) .cse3))) (let ((.cse1 (select (select |#memory_$Pointer$.base| .cse2) 4))) (and (= |main_#t~mem4| 4) (= 0 |main_~#im~0.offset|) (= (let ((.cse0 (+ |main_#t~mem2.offset| 4))) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_#t~mem2.base|) .cse0)) (select (select |#memory_$Pointer$.offset| |main_#t~mem2.base|) .cse0))) 4) (= (select (select |#memory_int| .cse1) (select (select |#memory_$Pointer$.offset| .cse2) 4)) 4) (= main_~ptr~0.offset 0) (= |main_#t~mem2.offset| 0) (= (select |#valid| |main_~#im~0.base|) 1) (not (= .cse2 .cse1)) (not (= main_~ptr~0.base .cse1)) (= 4 (select (select |#memory_int| |main_#t~mem3.base|) |main_#t~mem3.offset|)) (= (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) .cse3) 0))))) [2020-08-22 19:04:47,358 INFO L264 CegarLoopResult]: At program point L28(line 28) 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|))) [2020-08-22 19:04:47,358 INFO L264 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|) (= |main_~#inner~0.offset| 0) (= (select |#valid| |main_~#im~0.base|) 1) (not (= |main_~#im~0.base| |main_~#inner~0.base|))) [2020-08-22 19:04:47,358 INFO L264 CegarLoopResult]: At program point L32-5(line 32) the Hoare annotation is: false [2020-08-22 19:04:47,358 INFO L264 CegarLoopResult]: At program point L28-2(line 28) 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|)))) [2020-08-22 19:04:47,359 INFO L264 CegarLoopResult]: At program point L32-6(line 32) the Hoare annotation is: (let ((.cse3 (+ main_~ptr~0.offset 4))) (let ((.cse2 (select (select |#memory_$Pointer$.base| main_~ptr~0.base) .cse3))) (let ((.cse1 (select (select |#memory_$Pointer$.base| .cse2) 4))) (and (= |main_#t~mem4| 4) (= 0 |main_~#im~0.offset|) (= (let ((.cse0 (+ |main_#t~mem2.offset| 4))) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_#t~mem2.base|) .cse0)) (select (select |#memory_$Pointer$.offset| |main_#t~mem2.base|) .cse0))) 4) (= (select (select |#memory_int| .cse1) (select (select |#memory_$Pointer$.offset| .cse2) 4)) 4) (= main_~ptr~0.offset 0) (= |main_#t~mem2.offset| 0) (= (select |#valid| |main_~#im~0.base|) 1) (not (= .cse2 .cse1)) (not (= main_~ptr~0.base .cse1)) (= 4 (select (select |#memory_int| |main_#t~mem3.base|) |main_#t~mem3.offset|)) (= (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) .cse3) 0))))) [2020-08-22 19:04:47,359 INFO L264 CegarLoopResult]: At program point L32-7(line 32) the Hoare annotation is: (let ((.cse2 (+ main_~ptr~0.offset 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| main_~ptr~0.base) .cse2))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4))) (and (= |main_#t~mem4| 4) (= 0 |main_~#im~0.offset|) (= (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4)) 4) (= main_~ptr~0.offset 0) (= (select |#valid| |main_~#im~0.base|) 1) (not (= .cse1 .cse0)) (not (= main_~ptr~0.base .cse0)) (= 4 (select (select |#memory_int| |main_#t~mem3.base|) |main_#t~mem3.offset|)) (= (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) .cse2) 0))))) [2020-08-22 19:04:47,359 INFO L264 CegarLoopResult]: At program point L28-3(line 28) the Hoare annotation is: (let ((.cse2 (+ main_~ptr~0.offset 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| main_~ptr~0.base) .cse2))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4))) (and (= (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4)) 4) (= main_~ptr~0.offset 0) (not (= .cse1 .cse0)) (not (= main_~ptr~0.base .cse0)) (= (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) .cse2) 0))))) [2020-08-22 19:04:47,360 INFO L264 CegarLoopResult]: At program point L32-8(line 32) the Hoare annotation is: (let ((.cse2 (+ main_~ptr~0.offset 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| main_~ptr~0.base) .cse2))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4))) (and (= 0 |main_~#im~0.offset|) (= (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4)) 4) (= main_~ptr~0.offset 0) (= (select |#valid| |main_~#im~0.base|) 1) (not (= .cse1 .cse0)) (not (= main_~ptr~0.base .cse0)) (= 4 (select (select |#memory_int| |main_#t~mem3.base|) |main_#t~mem3.offset|)) (= (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) .cse2) 0))))) [2020-08-22 19:04:47,360 INFO L264 CegarLoopResult]: At program point L28-4(line 28) the Hoare annotation is: (let ((.cse2 (+ main_~ptr~0.offset 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| main_~ptr~0.base) .cse2))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4))) (and (= (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4)) 4) (= main_~ptr~0.offset 0) (not (= .cse1 .cse0)) (not (= main_~ptr~0.base .cse0)) (= (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) .cse2) 0))))) [2020-08-22 19:04:47,375 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-22 19:04:47,376 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-22 19:04:47,377 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-22 19:04:47,377 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-22 19:04:47,378 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-22 19:04:47,378 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-22 19:04:47,378 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-22 19:04:47,379 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-22 19:04:47,379 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-22 19:04:47,379 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-22 19:04:47,381 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-22 19:04:47,381 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-22 19:04:47,382 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-22 19:04:47,382 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-22 19:04:47,382 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-22 19:04:47,383 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-22 19:04:47,383 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-22 19:04:47,383 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-22 19:04:47,384 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-22 19:04:47,384 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-22 19:04:47,384 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-22 19:04:47,387 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 07:04:47 BoogieIcfgContainer [2020-08-22 19:04:47,387 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 19:04:47,389 INFO L168 Benchmark]: Toolchain (without parser) took 3914.41 ms. Allocated memory was 137.4 MB in the beginning and 250.6 MB in the end (delta: 113.2 MB). Free memory was 100.5 MB in the beginning and 216.5 MB in the end (delta: -116.1 MB). Peak memory consumption was 122.1 MB. Max. memory is 7.1 GB. [2020-08-22 19:04:47,390 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 137.4 MB. Free memory was 118.7 MB in the beginning and 118.4 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-08-22 19:04:47,391 INFO L168 Benchmark]: CACSL2BoogieTranslator took 321.82 ms. Allocated memory is still 137.4 MB. Free memory was 100.0 MB in the beginning and 90.0 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2020-08-22 19:04:47,392 INFO L168 Benchmark]: Boogie Preprocessor took 118.30 ms. Allocated memory was 137.4 MB in the beginning and 200.8 MB in the end (delta: 63.4 MB). Free memory was 90.0 MB in the beginning and 178.4 MB in the end (delta: -88.3 MB). Peak memory consumption was 13.5 MB. Max. memory is 7.1 GB. [2020-08-22 19:04:47,393 INFO L168 Benchmark]: RCFGBuilder took 362.56 ms. Allocated memory is still 200.8 MB. Free memory was 177.7 MB in the beginning and 161.0 MB in the end (delta: 16.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 7.1 GB. [2020-08-22 19:04:47,394 INFO L168 Benchmark]: TraceAbstraction took 3093.75 ms. Allocated memory was 200.8 MB in the beginning and 250.6 MB in the end (delta: 49.8 MB). Free memory was 160.4 MB in the beginning and 216.5 MB in the end (delta: -56.2 MB). Peak memory consumption was 118.5 MB. Max. memory is 7.1 GB. [2020-08-22 19:04:47,398 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 137.4 MB. Free memory was 118.7 MB in the beginning and 118.4 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 321.82 ms. Allocated memory is still 137.4 MB. Free memory was 100.0 MB in the beginning and 90.0 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 118.30 ms. Allocated memory was 137.4 MB in the beginning and 200.8 MB in the end (delta: 63.4 MB). Free memory was 90.0 MB in the beginning and 178.4 MB in the end (delta: -88.3 MB). Peak memory consumption was 13.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 362.56 ms. Allocated memory is still 200.8 MB. Free memory was 177.7 MB in the beginning and 161.0 MB in the end (delta: 16.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3093.75 ms. Allocated memory was 200.8 MB in the beginning and 250.6 MB in the end (delta: 49.8 MB). Free memory was 160.4 MB in the beginning and 216.5 MB in the end (delta: -56.2 MB). Peak memory consumption was 118.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 10]: 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: 8]: Procedure Contract for __blast_assert Derived contract for procedure __blast_assert: 1 - ProcedureContractResult [Line: 25]: Procedure Contract for main [2020-08-22 19:04:47,410 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-22 19:04:47,410 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-22 19:04:47,410 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-22 19:04:47,410 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-22 19:04:47,411 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-22 19:04:47,411 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-22 19:04:47,411 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-22 19:04:47,412 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-22 19:04:47,412 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-22 19:04:47,412 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-22 19:04:47,412 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-22 19:04:47,413 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-22 19:04:47,413 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-22 19:04:47,413 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-22 19:04:47,413 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-22 19:04:47,414 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-22 19:04:47,414 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-22 19:04:47,414 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-22 19:04:47,414 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-22 19:04:47,414 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-22 19:04:47,415 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-22 19:04:47,415 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-22 19:04:47,416 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-22 19:04:47,416 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-22 19:04:47,416 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-22 19:04:47,416 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-22 19:04:47,417 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-22 19:04:47,417 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-22 19:04:47,417 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-22 19:04:47,417 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-22 19:04:47,418 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-22 19:04:47,418 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-22 19:04:47,418 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-22 19:04:47,418 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-22 19:04:47,419 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-22 19:04:47,419 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-22 19:04:47,419 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-22 19:04:47,419 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-22 19:04:47,419 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-22 19:04:47,420 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-22 19:04:47,420 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-22 19:04:47,420 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived contract for procedure main: (((unknown-#memory_int-unknown[#memory_$Pointer$[#memory_$Pointer$[ptr][ptr + 4]][4]][#memory_$Pointer$[#memory_$Pointer$[ptr][ptr + 4]][4]] == 4 && ptr == 0) && !(#memory_$Pointer$[ptr][ptr + 4] == #memory_$Pointer$[#memory_$Pointer$[ptr][ptr + 4]][4])) && !(ptr == #memory_$Pointer$[#memory_$Pointer$[ptr][ptr + 4]][4])) && #memory_$Pointer$[ptr][ptr + 4] == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 44 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.2s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 21 SDtfs, 91 SDslu, 193 SDs, 0 SdLazy, 207 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 36 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 158 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=44occurred 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, 44 LocationsWithAnnotation, 44 PreInvPairs, 58 NumberOfFragments, 2381 HoareAnnotationTreeSize, 44 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 44 FomulaSimplificationsInter, 7 FormulaSimplificationTreeSizeReductionInter, 0.6s 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...