/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 --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/ldv-regression/test18.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-72570d3 [2020-08-22 22:19:27,037 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 22:19:27,040 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 22:19:27,078 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 22:19:27,079 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 22:19:27,086 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 22:19:27,090 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 22:19:27,093 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 22:19:27,095 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 22:19:27,099 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 22:19:27,099 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 22:19:27,100 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 22:19:27,100 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 22:19:27,103 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 22:19:27,105 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 22:19:27,106 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 22:19:27,108 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 22:19:27,109 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 22:19:27,111 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 22:19:27,119 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 22:19:27,121 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 22:19:27,121 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 22:19:27,122 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 22:19:27,123 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 22:19:27,134 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-22 22:19:27,142 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 22:19:27,143 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 22:19:27,145 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 22:19:27,145 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 22:19:27,159 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 22:19:27,159 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 22:19:27,161 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 22:19:27,161 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 22:19:27,161 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 22:19:27,161 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 22:19:27,161 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 22:19:27,162 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 22:19:27,162 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 22:19:27,162 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 22:19:27,163 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 22:19:27,163 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 22:19:27,163 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 22:19:27,164 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 22:19:27,164 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 22:19:27,164 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-08-22 22:19:27,164 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 22:19:27,164 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 22:19:27,165 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 22:19:27,165 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 22:19:27,165 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-08-22 22:19:27,165 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 22:19:27,165 INFO L138 SettingsManager]: * Use separate solver for trace checks=false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-08-22 22:19:27,450 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 22:19:27,462 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 22:19:27,466 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 22:19:27,467 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 22:19:27,468 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 22:19:27,468 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test18.c [2020-08-22 22:19:27,527 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3c9d3eee/4a9fa4caba5347898df60c9606cd5bf5/FLAG43b04fa02 [2020-08-22 22:19:27,914 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 22:19:27,915 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test18.c [2020-08-22 22:19:27,921 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3c9d3eee/4a9fa4caba5347898df60c9606cd5bf5/FLAG43b04fa02 [2020-08-22 22:19:28,294 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3c9d3eee/4a9fa4caba5347898df60c9606cd5bf5 [2020-08-22 22:19:28,305 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 22:19:28,307 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 22:19:28,313 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 22:19:28,313 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 22:19:28,317 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 22:19:28,318 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 10:19:28" (1/1) ... [2020-08-22 22:19:28,322 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@777de496 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:19:28, skipping insertion in model container [2020-08-22 22:19:28,322 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 10:19:28" (1/1) ... [2020-08-22 22:19:28,332 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 22:19:28,352 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 22:19:28,518 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 22:19:28,531 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 22:19:28,547 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 22:19:28,562 INFO L208 MainTranslator]: Completed translation [2020-08-22 22:19:28,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:19:28 WrapperNode [2020-08-22 22:19:28,563 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 22:19:28,564 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 22:19:28,564 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 22:19:28,564 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 22:19:28,664 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:19:28" (1/1) ... [2020-08-22 22:19:28,664 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:19:28" (1/1) ... [2020-08-22 22:19:28,673 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:19:28" (1/1) ... [2020-08-22 22:19:28,673 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:19:28" (1/1) ... [2020-08-22 22:19:28,680 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:19:28" (1/1) ... [2020-08-22 22:19:28,682 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:19:28" (1/1) ... [2020-08-22 22:19:28,689 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:19:28" (1/1) ... [2020-08-22 22:19:28,692 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 22:19:28,693 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 22:19:28,693 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 22:19:28,693 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 22:19:28,694 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:19:28" (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 22:19:28,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 22:19:28,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 22:19:28,762 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2020-08-22 22:19:28,762 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2020-08-22 22:19:28,762 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 22:19:28,762 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 22:19:28,762 INFO L130 BoogieDeclarations]: Found specification of procedure g [2020-08-22 22:19:28,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-22 22:19:28,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-22 22:19:28,763 INFO L130 BoogieDeclarations]: Found specification of procedure f [2020-08-22 22:19:28,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-22 22:19:28,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-22 22:19:28,763 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-22 22:19:28,763 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 22:19:28,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-22 22:19:28,763 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 22:19:28,763 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 22:19:29,024 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 22:19:29,024 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-08-22 22:19:29,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 10:19:29 BoogieIcfgContainer [2020-08-22 22:19:29,030 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 22:19:29,032 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 22:19:29,032 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 22:19:29,041 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 22:19:29,042 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 10:19:28" (1/3) ... [2020-08-22 22:19:29,043 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3efecbcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 10:19:29, skipping insertion in model container [2020-08-22 22:19:29,043 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:19:28" (2/3) ... [2020-08-22 22:19:29,044 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3efecbcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 10:19:29, skipping insertion in model container [2020-08-22 22:19:29,044 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 10:19:29" (3/3) ... [2020-08-22 22:19:29,051 INFO L109 eAbstractionObserver]: Analyzing ICFG test18.c [2020-08-22 22:19:29,078 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-22 22:19:29,093 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 22:19:29,109 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 22:19:29,141 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 22:19:29,142 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 22:19:29,142 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-22 22:19:29,142 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 22:19:29,142 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 22:19:29,142 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 22:19:29,142 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 22:19:29,143 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 22:19:29,159 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states. [2020-08-22 22:19:29,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-08-22 22:19:29,170 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 22:19:29,171 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, 1, 1, 1] [2020-08-22 22:19:29,172 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 22:19:29,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 22:19:29,178 INFO L82 PathProgramCache]: Analyzing trace with hash -1324729856, now seen corresponding path program 1 times [2020-08-22 22:19:29,187 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 22:19:29,188 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [931960965] [2020-08-22 22:19:29,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 22:19:29,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 22:19:29,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 22:19:29,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 22:19:29,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 22:19:29,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 22:19:29,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-08-22 22:19:29,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 22:19:29,837 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 22:19:29,838 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [931960965] [2020-08-22 22:19:29,840 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 22:19:29,840 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-08-22 22:19:29,841 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102494248] [2020-08-22 22:19:29,847 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-08-22 22:19:29,847 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 22:19:29,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-08-22 22:19:29,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2020-08-22 22:19:29,865 INFO L87 Difference]: Start difference. First operand 51 states. Second operand 15 states. [2020-08-22 22:19:30,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 22:19:30,366 INFO L93 Difference]: Finished difference Result 55 states and 54 transitions. [2020-08-22 22:19:30,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-08-22 22:19:30,368 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 35 [2020-08-22 22:19:30,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 22:19:30,375 INFO L225 Difference]: With dead ends: 55 [2020-08-22 22:19:30,376 INFO L226 Difference]: Without dead ends: 0 [2020-08-22 22:19:30,380 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=78, Invalid=428, Unknown=0, NotChecked=0, Total=506 [2020-08-22 22:19:30,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-22 22:19:30,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-22 22:19:30,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-22 22:19:30,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-22 22:19:30,401 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 35 [2020-08-22 22:19:30,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 22:19:30,401 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-22 22:19:30,402 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-08-22 22:19:30,402 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-22 22:19:30,402 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-22 22:19:30,402 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 22:19:30,405 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-22 22:19:30,801 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (= |old(#valid)| |#valid|) [2020-08-22 22:19:30,801 INFO L271 CegarLoopResult]: At program point L-1-1(line -1) the Hoare annotation is: true [2020-08-22 22:19:30,802 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-08-22 22:19:30,802 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(#NULL.base)| |#NULL.base|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2020-08-22 22:19:30,803 INFO L271 CegarLoopResult]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2020-08-22 22:19:30,803 INFO L264 CegarLoopResult]: At program point L8-7(lines 8 11) the Hoare annotation is: (= (select (select |#memory_int| |f_#in~pb.base|) |f_#in~pb.offset|) 0) [2020-08-22 22:19:30,803 INFO L264 CegarLoopResult]: At program point fFINAL(lines 8 11) the Hoare annotation is: (= (select (select |#memory_int| |f_#in~pb.base|) |f_#in~pb.offset|) 0) [2020-08-22 22:19:30,804 INFO L264 CegarLoopResult]: At program point L10(line 10) the Hoare annotation is: (and (= |f_#t~mem1.offset| |f_#in~pb.offset|) (= |f_#in~pb.base| (select (select |#memory_$Pointer$.base| |f_~#pa.base|) |f_~#pa.offset|)) (= |f_#in~pb.base| |f_#t~mem1.base|) (= (select (select |#memory_$Pointer$.offset| |f_~#pa.base|) |f_~#pa.offset|) |f_#in~pb.offset|)) [2020-08-22 22:19:30,804 INFO L264 CegarLoopResult]: At program point L9(line 9) the Hoare annotation is: (and (= |f_#in~pb.base| (select (select |#memory_$Pointer$.base| |f_~#pa.base|) |f_~#pa.offset|)) (= (select (select |#memory_$Pointer$.offset| |f_~#pa.base|) |f_~#pa.offset|) |f_#in~pb.offset|)) [2020-08-22 22:19:30,804 INFO L264 CegarLoopResult]: At program point L10-1(line 10) the Hoare annotation is: (and (= |f_#t~mem1.offset| |f_#in~pb.offset|) (= |f_#in~pb.base| |f_#t~mem1.base|) (= (select (select |#memory_int| |f_#in~pb.base|) |f_#in~pb.offset|) 0)) [2020-08-22 22:19:30,804 INFO L264 CegarLoopResult]: At program point L8(lines 8 11) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2020-08-22 22:19:30,805 INFO L264 CegarLoopResult]: At program point fEXIT(lines 8 11) the Hoare annotation is: (= (select (select |#memory_int| |f_#in~pb.base|) |f_#in~pb.offset|) 0) [2020-08-22 22:19:30,805 INFO L271 CegarLoopResult]: At program point L8-1(lines 8 11) the Hoare annotation is: true [2020-08-22 22:19:30,805 INFO L271 CegarLoopResult]: At program point L8-2(lines 8 11) the Hoare annotation is: true [2020-08-22 22:19:30,805 INFO L264 CegarLoopResult]: At program point fENTRY(lines 8 11) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-08-22 22:19:30,806 INFO L264 CegarLoopResult]: At program point L8-3(lines 8 11) the Hoare annotation is: (and (= (select (select |#memory_$Pointer$.offset| |f_~#pb.base|) |f_~#pb.offset|) |f_#in~pb.offset|) (= (select (select |#memory_$Pointer$.base| |f_~#pb.base|) |f_~#pb.offset|) |f_#in~pb.base|)) [2020-08-22 22:19:30,806 INFO L264 CegarLoopResult]: At program point L8-4(lines 8 11) the Hoare annotation is: (= (select (select |#memory_int| |f_#in~pb.base|) |f_#in~pb.offset|) 0) [2020-08-22 22:19:30,806 INFO L264 CegarLoopResult]: At program point L8-5(lines 8 11) the Hoare annotation is: (= (select (select |#memory_int| |f_#in~pb.base|) |f_#in~pb.offset|) 0) [2020-08-22 22:19:30,806 INFO L264 CegarLoopResult]: At program point L8-6(lines 8 11) the Hoare annotation is: (= (select (select |#memory_int| |f_#in~pb.base|) |f_#in~pb.offset|) 0) [2020-08-22 22:19:30,807 INFO L264 CegarLoopResult]: At program point gEXIT(lines 4 6) the Hoare annotation is: (and (= (select (select |#memory_$Pointer$.offset| |g_#in~ppa.base|) |g_#in~ppa.offset|) (select (select |old(#memory_$Pointer$.offset)| |g_#in~ppb.base|) |g_#in~ppb.offset|)) (= (select (select |old(#memory_$Pointer$.base)| |g_#in~ppb.base|) |g_#in~ppb.offset|) (select (select |#memory_$Pointer$.base| |g_#in~ppa.base|) |g_#in~ppa.offset|))) [2020-08-22 22:19:30,807 INFO L264 CegarLoopResult]: At program point L5(line 5) the Hoare annotation is: (and (= g_~ppb.offset |g_#in~ppb.offset|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |g_#in~ppa.offset| g_~ppa.offset) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |g_#in~ppb.base| g_~ppb.base) (= |g_#in~ppa.base| g_~ppa.base)) [2020-08-22 22:19:30,807 INFO L264 CegarLoopResult]: At program point gFINAL(lines 4 6) the Hoare annotation is: (and (= (select (select |#memory_$Pointer$.offset| |g_#in~ppa.base|) |g_#in~ppa.offset|) (select (select |old(#memory_$Pointer$.offset)| |g_#in~ppb.base|) |g_#in~ppb.offset|)) (= (select (select |old(#memory_$Pointer$.base)| |g_#in~ppb.base|) |g_#in~ppb.offset|) (select (select |#memory_$Pointer$.base| |g_#in~ppa.base|) |g_#in~ppa.offset|))) [2020-08-22 22:19:30,807 INFO L264 CegarLoopResult]: At program point gENTRY(lines 4 6) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2020-08-22 22:19:30,808 INFO L264 CegarLoopResult]: At program point L4(lines 4 6) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |g_#in~ppa.offset| g_~ppa.offset) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |g_#in~ppa.base| g_~ppa.base)) [2020-08-22 22:19:30,808 INFO L264 CegarLoopResult]: At program point L5-1(line 5) the Hoare annotation is: (and (= g_~ppb.offset |g_#in~ppb.offset|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |g_#in~ppa.offset| g_~ppa.offset) (= |#memory_int| |old(#memory_int)|) (= (select (select |#memory_$Pointer$.offset| |g_#in~ppb.base|) |g_#in~ppb.offset|) |g_#t~mem0.offset|) (= (select (select |#memory_$Pointer$.base| |g_#in~ppb.base|) |g_#in~ppb.offset|) |g_#t~mem0.base|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |g_#in~ppb.base| g_~ppb.base) (= |g_#in~ppa.base| g_~ppa.base)) [2020-08-22 22:19:30,808 INFO L264 CegarLoopResult]: At program point L5-2(line 5) the Hoare annotation is: (and (= (select (select |#memory_$Pointer$.offset| |g_#in~ppa.base|) |g_#in~ppa.offset|) (select (select |old(#memory_$Pointer$.offset)| |g_#in~ppb.base|) |g_#in~ppb.offset|)) (= (select (select |old(#memory_$Pointer$.base)| |g_#in~ppb.base|) |g_#in~ppb.offset|) (select (select |#memory_$Pointer$.base| |g_#in~ppa.base|) |g_#in~ppa.offset|))) [2020-08-22 22:19:30,808 INFO L271 CegarLoopResult]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2020-08-22 22:19:30,809 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-08-22 22:19:30,809 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-22 22:19:30,809 INFO L271 CegarLoopResult]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2020-08-22 22:19:30,809 INFO L264 CegarLoopResult]: At program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 22) the Hoare annotation is: false [2020-08-22 22:19:30,809 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 13 24) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-08-22 22:19:30,810 INFO L271 CegarLoopResult]: At program point mainEXIT(lines 13 24) the Hoare annotation is: true [2020-08-22 22:19:30,810 INFO L264 CegarLoopResult]: At program point L23(line 23) the Hoare annotation is: false [2020-08-22 22:19:30,810 INFO L264 CegarLoopResult]: At program point L20(line 20) the Hoare annotation is: (= (select (select |#memory_int| |main_~#b~0.base|) |main_~#b~0.offset|) 0) [2020-08-22 22:19:30,810 INFO L264 CegarLoopResult]: At program point L17(lines 13 24) the Hoare annotation is: false [2020-08-22 22:19:30,810 INFO L264 CegarLoopResult]: At program point L16(lines 16 18) the Hoare annotation is: (and (= |main_#t~mem2| 0) (= (select (select |#memory_int| |main_~#b~0.base|) |main_~#b~0.offset|) 0)) [2020-08-22 22:19:30,811 INFO L264 CegarLoopResult]: At program point L15(line 15) the Hoare annotation is: (= (select (select |#memory_int| |main_~#b~0.base|) |main_~#b~0.offset|) 0) [2020-08-22 22:19:30,811 INFO L264 CegarLoopResult]: At program point L16-1(line 16) the Hoare annotation is: false [2020-08-22 22:19:30,811 INFO L264 CegarLoopResult]: At program point L14(line 14) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2020-08-22 22:19:30,811 INFO L264 CegarLoopResult]: At program point L16-2(line 16) the Hoare annotation is: (and (= |main_#t~mem2| 0) (= (select (select |#memory_int| |main_~#b~0.base|) |main_~#b~0.offset|) 0)) [2020-08-22 22:19:30,812 INFO L264 CegarLoopResult]: At program point L14-1(line 14) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2020-08-22 22:19:30,812 INFO L271 CegarLoopResult]: At program point mainFINAL(lines 13 24) the Hoare annotation is: true [2020-08-22 22:19:30,812 INFO L264 CegarLoopResult]: At program point L14-2(line 14) the Hoare annotation is: (= (select (select |#memory_int| |main_~#b~0.base|) |main_~#b~0.offset|) 0) [2020-08-22 22:19:30,812 INFO L264 CegarLoopResult]: At program point L14-3(line 14) the Hoare annotation is: (= (select (select |#memory_int| |main_~#b~0.base|) |main_~#b~0.offset|) 0) [2020-08-22 22:19:30,813 INFO L264 CegarLoopResult]: At program point L14-4(line 14) the Hoare annotation is: (= (select (select |#memory_int| |main_~#b~0.base|) |main_~#b~0.offset|) 0) [2020-08-22 22:19:30,813 INFO L264 CegarLoopResult]: At program point L14-5(line 14) the Hoare annotation is: (= (select (select |#memory_int| |main_~#b~0.base|) |main_~#b~0.offset|) 0) [2020-08-22 22:19:30,813 INFO L264 CegarLoopResult]: At program point L14-6(line 14) the Hoare annotation is: false [2020-08-22 22:19:30,813 INFO L264 CegarLoopResult]: At program point L14-7(line 14) the Hoare annotation is: false [2020-08-22 22:19:30,813 INFO L264 CegarLoopResult]: At program point L14-8(line 14) the Hoare annotation is: false [2020-08-22 22:19:30,814 INFO L264 CegarLoopResult]: At program point L14-9(line 14) the Hoare annotation is: false [2020-08-22 22:19:30,832 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-22 22:19:30,837 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-22 22:19:30,837 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-22 22:19:30,838 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-22 22:19:30,839 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-22 22:19:30,842 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-22 22:19:30,842 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-22 22:19:30,843 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-22 22:19:30,843 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-22 22:19:30,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 10:19:30 BoogieIcfgContainer [2020-08-22 22:19:30,846 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 22:19:30,856 INFO L168 Benchmark]: Toolchain (without parser) took 2548.24 ms. Allocated memory was 144.7 MB in the beginning and 234.9 MB in the end (delta: 90.2 MB). Free memory was 102.1 MB in the beginning and 92.4 MB in the end (delta: 9.7 MB). Peak memory consumption was 99.9 MB. Max. memory is 7.1 GB. [2020-08-22 22:19:30,858 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 144.7 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-08-22 22:19:30,860 INFO L168 Benchmark]: CACSL2BoogieTranslator took 250.68 ms. Allocated memory is still 144.7 MB. Free memory was 101.7 MB in the beginning and 92.1 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2020-08-22 22:19:30,862 INFO L168 Benchmark]: Boogie Preprocessor took 128.59 ms. Allocated memory was 144.7 MB in the beginning and 202.9 MB in the end (delta: 58.2 MB). Free memory was 92.1 MB in the beginning and 180.9 MB in the end (delta: -88.8 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2020-08-22 22:19:30,863 INFO L168 Benchmark]: RCFGBuilder took 337.91 ms. Allocated memory is still 202.9 MB. Free memory was 180.9 MB in the beginning and 162.1 MB in the end (delta: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 7.1 GB. [2020-08-22 22:19:30,865 INFO L168 Benchmark]: TraceAbstraction took 1821.45 ms. Allocated memory was 202.9 MB in the beginning and 234.9 MB in the end (delta: 32.0 MB). Free memory was 162.1 MB in the beginning and 92.4 MB in the end (delta: 69.7 MB). Peak memory consumption was 101.7 MB. Max. memory is 7.1 GB. [2020-08-22 22:19:30,875 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 144.7 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 250.68 ms. Allocated memory is still 144.7 MB. Free memory was 101.7 MB in the beginning and 92.1 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 128.59 ms. Allocated memory was 144.7 MB in the beginning and 202.9 MB in the end (delta: 58.2 MB). Free memory was 92.1 MB in the beginning and 180.9 MB in the end (delta: -88.8 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 337.91 ms. Allocated memory is still 202.9 MB. Free memory was 180.9 MB in the beginning and 162.1 MB in the end (delta: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1821.45 ms. Allocated memory was 202.9 MB in the beginning and 234.9 MB in the end (delta: 32.0 MB). Free memory was 162.1 MB in the beginning and 92.4 MB in the end (delta: 69.7 MB). Peak memory consumption was 101.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - 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 * 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_$Pointer$ * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 22]: 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 - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: 0 - ProcedureContractResult [Line: 8]: Procedure Contract for f [2020-08-22 22:19:30,899 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-22 22:19:30,900 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived contract for procedure f: unknown-#memory_int-unknown[pb][pb] == 0 - ProcedureContractResult [Line: 4]: Procedure Contract for g [2020-08-22 22:19:30,900 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-22 22:19:30,901 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-22 22:19:30,902 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-22 22:19:30,902 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-22 22:19:30,902 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-22 22:19:30,902 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-22 22:19:30,903 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-22 22:19:30,903 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-22 22:19:30,904 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-22 22:19:30,904 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-22 22:19:30,905 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-22 22:19:30,905 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-22 22:19:30,906 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-22 22:19:30,906 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-22 22:19:30,907 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-22 22:19:30,907 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived contract for procedure g: #memory_$Pointer$[ppa][ppa] == \old(#memory_$Pointer$)[ppb][ppb] && \old(#memory_$Pointer$)[ppb][ppb] == #memory_$Pointer$[ppa][ppa] - ProcedureContractResult [Line: 13]: Procedure Contract for main Derived contract for procedure main: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 51 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.2s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 29 SDtfs, 28 SDslu, 147 SDs, 0 SdLazy, 243 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=51occurred 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, 51 LocationsWithAnnotation, 51 PreInvPairs, 55 NumberOfFragments, 418 HoareAnnotationTreeSize, 51 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 51 FomulaSimplificationsInter, 139 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 34 ConstructedInterpolants, 0 QuantifiedInterpolants, 9282 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...