/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/test18.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-3af5e1f [2020-09-04 16:40:28,660 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-04 16:40:28,665 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-04 16:40:28,708 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-04 16:40:28,709 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-04 16:40:28,717 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-04 16:40:28,720 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-04 16:40:28,724 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-04 16:40:28,727 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-04 16:40:28,730 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-04 16:40:28,731 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-04 16:40:28,732 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-04 16:40:28,732 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-04 16:40:28,735 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-04 16:40:28,737 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-04 16:40:28,739 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-04 16:40:28,741 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-04 16:40:28,742 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-04 16:40:28,743 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-04 16:40:28,751 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-04 16:40:28,753 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-04 16:40:28,756 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-04 16:40:28,757 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-04 16:40:28,758 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-04 16:40:28,770 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-09-04 16:40:28,789 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-04 16:40:28,790 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-04 16:40:28,791 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-04 16:40:28,792 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-09-04 16:40:28,807 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-04 16:40:28,807 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-04 16:40:28,809 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-04 16:40:28,809 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-04 16:40:28,810 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-04 16:40:28,810 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-04 16:40:28,810 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-04 16:40:28,810 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-04 16:40:28,810 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-04 16:40:28,810 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-04 16:40:28,811 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-04 16:40:28,812 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-04 16:40:28,812 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-04 16:40:28,812 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-04 16:40:28,813 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-04 16:40:28,813 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-09-04 16:40:28,813 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-04 16:40:28,813 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-04 16:40:28,813 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 16:40:28,814 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-04 16:40:28,814 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-09-04 16:40:28,814 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-04 16:40:28,814 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-09-04 16:40:29,253 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-04 16:40:29,276 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-04 16:40:29,287 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-04 16:40:29,295 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-04 16:40:29,296 INFO L275 PluginConnector]: CDTParser initialized [2020-09-04 16:40:29,298 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test18.c [2020-09-04 16:40:29,392 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a1c4a7b4a/a8e1b024e42c44689192d7f4f64250ae/FLAGf8632e86f [2020-09-04 16:40:29,934 INFO L306 CDTParser]: Found 1 translation units. [2020-09-04 16:40:29,934 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-regression/test18.c [2020-09-04 16:40:29,943 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a1c4a7b4a/a8e1b024e42c44689192d7f4f64250ae/FLAGf8632e86f [2020-09-04 16:40:30,288 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a1c4a7b4a/a8e1b024e42c44689192d7f4f64250ae [2020-09-04 16:40:30,301 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-04 16:40:30,302 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-04 16:40:30,303 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-04 16:40:30,304 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-04 16:40:30,308 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-04 16:40:30,309 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 04:40:30" (1/1) ... [2020-09-04 16:40:30,313 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16b5cf2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:40:30, skipping insertion in model container [2020-09-04 16:40:30,314 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 04:40:30" (1/1) ... [2020-09-04 16:40:30,323 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-04 16:40:30,349 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-04 16:40:30,555 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 16:40:30,569 INFO L203 MainTranslator]: Completed pre-run [2020-09-04 16:40:30,585 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 16:40:30,602 INFO L208 MainTranslator]: Completed translation [2020-09-04 16:40:30,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:40:30 WrapperNode [2020-09-04 16:40:30,602 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-04 16:40:30,603 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-04 16:40:30,603 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-04 16:40:30,603 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-04 16:40:30,709 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:40:30" (1/1) ... [2020-09-04 16:40:30,710 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:40:30" (1/1) ... [2020-09-04 16:40:30,719 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:40:30" (1/1) ... [2020-09-04 16:40:30,719 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:40:30" (1/1) ... [2020-09-04 16:40:30,734 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:40:30" (1/1) ... [2020-09-04 16:40:30,737 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:40:30" (1/1) ... [2020-09-04 16:40:30,738 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:40:30" (1/1) ... [2020-09-04 16:40:30,741 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-04 16:40:30,741 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-04 16:40:30,741 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-04 16:40:30,742 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-04 16:40:30,743 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:40:30" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-04 16:40:30,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-04 16:40:30,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-04 16:40:30,826 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2020-09-04 16:40:30,826 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2020-09-04 16:40:30,827 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-04 16:40:30,827 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-04 16:40:30,827 INFO L130 BoogieDeclarations]: Found specification of procedure g [2020-09-04 16:40:30,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-04 16:40:30,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-04 16:40:30,827 INFO L130 BoogieDeclarations]: Found specification of procedure f [2020-09-04 16:40:30,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-04 16:40:30,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-04 16:40:30,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-04 16:40:30,828 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-04 16:40:30,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-04 16:40:30,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-04 16:40:30,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-04 16:40:31,168 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-04 16:40:31,169 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-04 16:40:31,176 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 04:40:31 BoogieIcfgContainer [2020-09-04 16:40:31,176 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-04 16:40:31,189 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-04 16:40:31,189 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-04 16:40:31,194 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-04 16:40:31,195 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 04:40:30" (1/3) ... [2020-09-04 16:40:31,195 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f121eb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 04:40:31, skipping insertion in model container [2020-09-04 16:40:31,196 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:40:30" (2/3) ... [2020-09-04 16:40:31,196 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f121eb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 04:40:31, skipping insertion in model container [2020-09-04 16:40:31,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 04:40:31" (3/3) ... [2020-09-04 16:40:31,202 INFO L109 eAbstractionObserver]: Analyzing ICFG test18.c [2020-09-04 16:40:31,218 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-04 16:40:31,227 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-04 16:40:31,246 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-04 16:40:31,274 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-04 16:40:31,274 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-04 16:40:31,274 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-09-04 16:40:31,275 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-04 16:40:31,275 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-04 16:40:31,275 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-04 16:40:31,275 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-04 16:40:31,275 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-04 16:40:31,296 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states. [2020-09-04 16:40:31,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-09-04 16:40:31,308 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 16:40:31,310 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] [2020-09-04 16:40:31,310 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 16:40:31,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 16:40:31,316 INFO L82 PathProgramCache]: Analyzing trace with hash -1324729856, now seen corresponding path program 1 times [2020-09-04 16:40:31,326 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 16:40:31,326 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [966850910] [2020-09-04 16:40:31,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 16:40:31,395 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 16:40:31,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:40:31,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:40:31,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:40:31,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-04 16:40:31,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:40:31,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-04 16:40:31,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:40:32,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 16:40:32,073 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [966850910] [2020-09-04 16:40:32,075 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 16:40:32,075 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-09-04 16:40:32,076 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72347355] [2020-09-04 16:40:32,083 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-04 16:40:32,083 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 16:40:32,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-04 16:40:32,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2020-09-04 16:40:32,106 INFO L87 Difference]: Start difference. First operand 51 states. Second operand 15 states. [2020-09-04 16:40:32,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 16:40:32,656 INFO L93 Difference]: Finished difference Result 55 states and 54 transitions. [2020-09-04 16:40:32,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-04 16:40:32,658 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 35 [2020-09-04 16:40:32,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 16:40:32,668 INFO L225 Difference]: With dead ends: 55 [2020-09-04 16:40:32,669 INFO L226 Difference]: Without dead ends: 0 [2020-09-04 16:40:32,674 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=78, Invalid=428, Unknown=0, NotChecked=0, Total=506 [2020-09-04 16:40:32,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-04 16:40:32,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-04 16:40:32,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-04 16:40:32,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-04 16:40:32,709 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 35 [2020-09-04 16:40:32,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 16:40:32,709 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-04 16:40:32,710 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-04 16:40:32,710 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-04 16:40:32,710 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-04 16:40:32,711 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-04 16:40:32,713 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-04 16:40:33,223 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (= |old(#valid)| |#valid|) [2020-09-04 16:40:33,223 INFO L271 CegarLoopResult]: At program point L-1-1(line -1) the Hoare annotation is: true [2020-09-04 16:40:33,224 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-09-04 16:40:33,224 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|)) [2020-09-04 16:40:33,224 INFO L271 CegarLoopResult]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2020-09-04 16:40:33,224 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) [2020-09-04 16:40:33,224 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) [2020-09-04 16:40:33,225 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|)) [2020-09-04 16:40:33,225 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|)) [2020-09-04 16:40:33,225 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)) [2020-09-04 16:40:33,226 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)|)) [2020-09-04 16:40:33,226 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) [2020-09-04 16:40:33,226 INFO L271 CegarLoopResult]: At program point L8-1(lines 8 11) the Hoare annotation is: true [2020-09-04 16:40:33,226 INFO L271 CegarLoopResult]: At program point L8-2(lines 8 11) the Hoare annotation is: true [2020-09-04 16:40:33,227 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|)) [2020-09-04 16:40:33,227 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|)) [2020-09-04 16:40:33,227 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) [2020-09-04 16:40:33,228 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) [2020-09-04 16:40:33,228 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) [2020-09-04 16:40:33,228 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|))) [2020-09-04 16:40:33,228 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)) [2020-09-04 16:40:33,229 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|))) [2020-09-04 16:40:33,229 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)|)) [2020-09-04 16:40:33,229 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)) [2020-09-04 16:40:33,230 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)) [2020-09-04 16:40:33,230 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|))) [2020-09-04 16:40:33,230 INFO L271 CegarLoopResult]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2020-09-04 16:40:33,230 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-09-04 16:40:33,231 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-04 16:40:33,231 INFO L271 CegarLoopResult]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2020-09-04 16:40:33,231 INFO L264 CegarLoopResult]: At program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 22) the Hoare annotation is: false [2020-09-04 16:40:33,231 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|)) [2020-09-04 16:40:33,232 INFO L271 CegarLoopResult]: At program point mainEXIT(lines 13 24) the Hoare annotation is: true [2020-09-04 16:40:33,232 INFO L264 CegarLoopResult]: At program point L23(line 23) the Hoare annotation is: false [2020-09-04 16:40:33,232 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) [2020-09-04 16:40:33,232 INFO L264 CegarLoopResult]: At program point L17(lines 13 24) the Hoare annotation is: false [2020-09-04 16:40:33,233 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)) [2020-09-04 16:40:33,233 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) [2020-09-04 16:40:33,233 INFO L264 CegarLoopResult]: At program point L16-1(line 16) the Hoare annotation is: false [2020-09-04 16:40:33,233 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)|)) [2020-09-04 16:40:33,234 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)) [2020-09-04 16:40:33,234 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)|)) [2020-09-04 16:40:33,234 INFO L271 CegarLoopResult]: At program point mainFINAL(lines 13 24) the Hoare annotation is: true [2020-09-04 16:40:33,235 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) [2020-09-04 16:40:33,235 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) [2020-09-04 16:40:33,235 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) [2020-09-04 16:40:33,235 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) [2020-09-04 16:40:33,235 INFO L264 CegarLoopResult]: At program point L14-6(line 14) the Hoare annotation is: false [2020-09-04 16:40:33,236 INFO L264 CegarLoopResult]: At program point L14-7(line 14) the Hoare annotation is: false [2020-09-04 16:40:33,236 INFO L264 CegarLoopResult]: At program point L14-8(line 14) the Hoare annotation is: false [2020-09-04 16:40:33,236 INFO L264 CegarLoopResult]: At program point L14-9(line 14) the Hoare annotation is: false [2020-09-04 16:40:33,255 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-04 16:40:33,261 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-04 16:40:33,262 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-04 16:40:33,262 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-04 16:40:33,263 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-04 16:40:33,263 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 16:40:33,264 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 16:40:33,264 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 16:40:33,265 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 16:40:33,267 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.09 04:40:33 BoogieIcfgContainer [2020-09-04 16:40:33,268 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-04 16:40:33,272 INFO L168 Benchmark]: Toolchain (without parser) took 2967.68 ms. Allocated memory was 146.8 MB in the beginning and 234.4 MB in the end (delta: 87.6 MB). Free memory was 102.9 MB in the beginning and 87.7 MB in the end (delta: 15.2 MB). Peak memory consumption was 102.8 MB. Max. memory is 7.1 GB. [2020-09-04 16:40:33,273 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 146.8 MB. Free memory was 121.1 MB in the beginning and 120.7 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. [2020-09-04 16:40:33,274 INFO L168 Benchmark]: CACSL2BoogieTranslator took 299.42 ms. Allocated memory is still 146.8 MB. Free memory was 102.5 MB in the beginning and 93.0 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2020-09-04 16:40:33,276 INFO L168 Benchmark]: Boogie Preprocessor took 137.84 ms. Allocated memory was 146.8 MB in the beginning and 204.5 MB in the end (delta: 57.7 MB). Free memory was 93.0 MB in the beginning and 182.0 MB in the end (delta: -89.0 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2020-09-04 16:40:33,277 INFO L168 Benchmark]: RCFGBuilder took 435.01 ms. Allocated memory is still 204.5 MB. Free memory was 182.0 MB in the beginning and 163.8 MB in the end (delta: 18.2 MB). Peak memory consumption was 18.2 MB. Max. memory is 7.1 GB. [2020-09-04 16:40:33,278 INFO L168 Benchmark]: TraceAbstraction took 2079.03 ms. Allocated memory was 204.5 MB in the beginning and 234.4 MB in the end (delta: 29.9 MB). Free memory was 163.8 MB in the beginning and 87.7 MB in the end (delta: 76.1 MB). Peak memory consumption was 105.9 MB. Max. memory is 7.1 GB. [2020-09-04 16:40:33,282 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 146.8 MB. Free memory was 121.1 MB in the beginning and 120.7 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 299.42 ms. Allocated memory is still 146.8 MB. Free memory was 102.5 MB in the beginning and 93.0 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 137.84 ms. Allocated memory was 146.8 MB in the beginning and 204.5 MB in the end (delta: 57.7 MB). Free memory was 93.0 MB in the beginning and 182.0 MB in the end (delta: -89.0 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 435.01 ms. Allocated memory is still 204.5 MB. Free memory was 182.0 MB in the beginning and 163.8 MB in the end (delta: 18.2 MB). Peak memory consumption was 18.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2079.03 ms. Allocated memory was 204.5 MB in the beginning and 234.4 MB in the end (delta: 29.9 MB). Free memory was 163.8 MB in the beginning and 87.7 MB in the end (delta: 76.1 MB). Peak memory consumption was 105.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$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 [2020-09-04 16:40:33,309 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-04 16:40:33,309 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 [2020-09-04 16:40:33,310 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-04 16:40:33,310 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-04 16:40:33,310 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-04 16:40:33,310 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-04 16:40:33,314 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 16:40:33,314 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 16:40:33,314 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 16:40:33,314 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 16:40:33,315 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-04 16:40:33,315 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-04 16:40:33,315 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-04 16:40:33,316 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-04 16:40:33,316 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 16:40:33,316 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 16:40:33,316 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 16:40:33,317 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: 1.4s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, 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, 0.5s 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, 0.3s 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...