/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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-regression/test30-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-06 21:10:53,118 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 21:10:53,121 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 21:10:53,138 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-06 21:10:53,139 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-06 21:10:53,141 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-06 21:10:53,142 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-06 21:10:53,154 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-06 21:10:53,156 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-06 21:10:53,157 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-06 21:10:53,157 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-06 21:10:53,158 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-06 21:10:53,159 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-06 21:10:53,160 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-06 21:10:53,160 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-06 21:10:53,161 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-06 21:10:53,162 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-06 21:10:53,163 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-06 21:10:53,165 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-06 21:10:53,166 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-06 21:10:53,168 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-06 21:10:53,169 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-06 21:10:53,170 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-06 21:10:53,170 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-06 21:10:53,173 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-06 21:10:53,185 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 21:10:53,187 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 21:10:53,188 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 21:10:53,189 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-06 21:10:53,210 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 21:10:53,210 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 21:10:53,213 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 21:10:53,213 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 21:10:53,213 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 21:10:53,213 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 21:10:53,213 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 21:10:53,214 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 21:10:53,214 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 21:10:53,214 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 21:10:53,214 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 21:10:53,214 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 21:10:53,215 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 21:10:53,215 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 21:10:53,215 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 21:10:53,215 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 21:10:53,215 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 21:10:53,216 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 21:10:53,216 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 21:10:53,216 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 21:10:53,216 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 21:10:53,216 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 21:10:53,217 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 21:10:53,217 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 21:10:53,217 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 21:10:53,217 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 21:10:53,217 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 21:10:53,218 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 21:10:53,218 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-06 21:10:53,468 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 21:10:53,487 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 21:10:53,490 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 21:10:53,491 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 21:10:53,492 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 21:10:53,492 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test30-1.c [2019-11-06 21:10:53,567 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc1a75fbf/f414e6313e22454bb35ad2dfb83203e6/FLAGb16680347 [2019-11-06 21:10:54,030 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 21:10:54,031 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test30-1.c [2019-11-06 21:10:54,037 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc1a75fbf/f414e6313e22454bb35ad2dfb83203e6/FLAGb16680347 [2019-11-06 21:10:54,444 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc1a75fbf/f414e6313e22454bb35ad2dfb83203e6 [2019-11-06 21:10:54,454 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 21:10:54,456 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 21:10:54,457 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 21:10:54,457 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 21:10:54,460 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 21:10:54,461 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:10:54" (1/1) ... [2019-11-06 21:10:54,464 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@570eb139 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:10:54, skipping insertion in model container [2019-11-06 21:10:54,465 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:10:54" (1/1) ... [2019-11-06 21:10:54,472 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 21:10:54,489 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 21:10:54,679 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:10:54,702 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 21:10:54,715 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:10:54,811 INFO L192 MainTranslator]: Completed translation [2019-11-06 21:10:54,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:10:54 WrapperNode [2019-11-06 21:10:54,812 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 21:10:54,812 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 21:10:54,812 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 21:10:54,813 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 21:10:54,824 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:10:54" (1/1) ... [2019-11-06 21:10:54,824 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:10:54" (1/1) ... [2019-11-06 21:10:54,832 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:10:54" (1/1) ... [2019-11-06 21:10:54,832 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:10:54" (1/1) ... [2019-11-06 21:10:54,839 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:10:54" (1/1) ... [2019-11-06 21:10:54,842 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:10:54" (1/1) ... [2019-11-06 21:10:54,843 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:10:54" (1/1) ... [2019-11-06 21:10:54,845 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 21:10:54,846 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 21:10:54,846 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 21:10:54,846 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 21:10:54,847 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:10:54" (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 [2019-11-06 21:10:54,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 21:10:54,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 21:10:54,902 INFO L138 BoogieDeclarations]: Found implementation of procedure assign [2019-11-06 21:10:54,902 INFO L138 BoogieDeclarations]: Found implementation of procedure assign2 [2019-11-06 21:10:54,902 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 21:10:54,902 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 21:10:54,903 INFO L130 BoogieDeclarations]: Found specification of procedure assign [2019-11-06 21:10:54,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-06 21:10:54,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-06 21:10:54,903 INFO L130 BoogieDeclarations]: Found specification of procedure assign2 [2019-11-06 21:10:54,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-06 21:10:54,903 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 21:10:54,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 21:10:54,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-06 21:10:54,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-06 21:10:54,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-06 21:10:54,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 21:10:54,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-06 21:10:54,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-06 21:10:55,169 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 21:10:55,170 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-11-06 21:10:55,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:10:55 BoogieIcfgContainer [2019-11-06 21:10:55,174 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 21:10:55,175 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 21:10:55,175 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 21:10:55,186 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 21:10:55,187 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:10:54" (1/3) ... [2019-11-06 21:10:55,188 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34a171a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:10:55, skipping insertion in model container [2019-11-06 21:10:55,190 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:10:54" (2/3) ... [2019-11-06 21:10:55,191 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34a171a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:10:55, skipping insertion in model container [2019-11-06 21:10:55,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:10:55" (3/3) ... [2019-11-06 21:10:55,193 INFO L109 eAbstractionObserver]: Analyzing ICFG test30-1.c [2019-11-06 21:10:55,201 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 21:10:55,208 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 21:10:55,220 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 21:10:55,246 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 21:10:55,246 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 21:10:55,246 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 21:10:55,247 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 21:10:55,247 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 21:10:55,247 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 21:10:55,247 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 21:10:55,247 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 21:10:55,261 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2019-11-06 21:10:55,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-06 21:10:55,266 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:10:55,267 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 21:10:55,269 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:10:55,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:10:55,274 INFO L82 PathProgramCache]: Analyzing trace with hash -457594768, now seen corresponding path program 1 times [2019-11-06 21:10:55,281 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:10:55,281 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442375533] [2019-11-06 21:10:55,281 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:10:55,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:10:55,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:10:55,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:10:55,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:10:56,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 21:10:56,014 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442375533] [2019-11-06 21:10:56,015 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:10:56,015 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-11-06 21:10:56,016 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848362638] [2019-11-06 21:10:56,021 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-06 21:10:56,022 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:10:56,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-06 21:10:56,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2019-11-06 21:10:56,041 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 11 states. [2019-11-06 21:10:56,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 21:10:56,832 INFO L93 Difference]: Finished difference Result 27 states and 26 transitions. [2019-11-06 21:10:56,833 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-06 21:10:56,834 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 18 [2019-11-06 21:10:56,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 21:10:56,841 INFO L225 Difference]: With dead ends: 27 [2019-11-06 21:10:56,842 INFO L226 Difference]: Without dead ends: 0 [2019-11-06 21:10:56,846 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=70, Invalid=310, Unknown=0, NotChecked=0, Total=380 [2019-11-06 21:10:56,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-06 21:10:56,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-06 21:10:56,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-06 21:10:56,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-06 21:10:56,875 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2019-11-06 21:10:56,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 21:10:56,875 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-06 21:10:56,875 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-06 21:10:56,876 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-06 21:10:56,876 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-06 21:10:56,881 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-06 21:10:57,343 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 47 [2019-11-06 21:10:57,438 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-11-06 21:10:57,439 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |~#a~0.base| |old(~#a~0.base)|) (= |~#b~0.base| |old(~#b~0.base)|) (= |~#global~0.base| |old(~#global~0.base)|) (= |~#b~0.offset| |old(~#b~0.offset)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |~#global~0.offset| |old(~#global~0.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |~#a~0.offset| |old(~#a~0.offset)|) (= |old(#length)| |#length|)) [2019-11-06 21:10:57,439 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-11-06 21:10:57,440 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-06 21:10:57,440 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (let ((.cse2 (select |#memory_$Pointer$.offset| |~#global~0.base|)) (.cse1 (+ |~#global~0.offset| 4)) (.cse0 (select |#memory_$Pointer$.base| |~#global~0.base|))) (and (= |~#b~0.base| (select .cse0 .cse1)) (not (= |~#b~0.base| |~#a~0.base|)) (= (select .cse2 |~#global~0.offset|) |~#a~0.offset|) (= (select .cse2 .cse1) |~#b~0.offset|) (= |~#a~0.base| (select .cse0 |~#global~0.offset|)))) [2019-11-06 21:10:57,440 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-06 21:10:57,441 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-06 21:10:57,445 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 19 33) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse2 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse1 (+ |~#global~0.offset| 4))) (or (not (= (select .cse0 .cse1) |~#b~0.offset|)) (= |~#a~0.base| |~#b~0.base|) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.offset|)) (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (not (= |~#a~0.base| (select .cse2 |~#global~0.offset|))) (not (= (select .cse2 .cse1) |~#b~0.base|)))) [2019-11-06 21:10:57,445 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 19 33) no Hoare annotation was computed. [2019-11-06 21:10:57,445 INFO L439 ceAbstractionStarter]: At program point L26(lines 20 33) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse2 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse1 (+ |~#global~0.offset| 4))) (or (not (= (select .cse0 .cse1) |~#b~0.offset|)) (= |~#a~0.base| |~#b~0.base|) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.offset|)) (not (= |~#a~0.base| (select .cse2 |~#global~0.offset|))) (not (= (select .cse2 .cse1) |~#b~0.base|)))) [2019-11-06 21:10:57,446 INFO L443 ceAbstractionStarter]: For program point L25(lines 25 27) no Hoare annotation was computed. [2019-11-06 21:10:57,446 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 19 33) no Hoare annotation was computed. [2019-11-06 21:10:57,446 INFO L439 ceAbstractionStarter]: At program point L23(line 23) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse5 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse1 (+ |~#global~0.offset| 4))) (or (not (= (select .cse0 .cse1) |~#b~0.offset|)) (let ((.cse2 (select |#memory_$Pointer$.base| main_~pd~0.base)) (.cse3 (+ main_~pd~0.offset 4)) (.cse4 (select |#memory_$Pointer$.offset| main_~pd~0.base))) (and (= (select .cse2 main_~pd~0.offset) |~#a~0.base|) (= |~#b~0.base| (select .cse2 .cse3)) (= (select .cse4 .cse3) |~#b~0.offset|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= (select .cse4 main_~pd~0.offset) |~#a~0.offset|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))) (= |~#a~0.base| |~#b~0.base|) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.offset|)) (not (= |~#a~0.base| (select .cse5 |~#global~0.offset|))) (not (= (select .cse5 .cse1) |~#b~0.base|)))) [2019-11-06 21:10:57,447 INFO L443 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 31) no Hoare annotation was computed. [2019-11-06 21:10:57,447 INFO L443 ceAbstractionStarter]: For program point L23-1(line 23) no Hoare annotation was computed. [2019-11-06 21:10:57,447 INFO L439 ceAbstractionStarter]: At program point L16(line 16) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse2 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse1 (+ |~#global~0.offset| 4))) (or (not (= (select .cse0 .cse1) |~#b~0.offset|)) (= |~#a~0.base| |~#b~0.base|) (and (= (select (select |#memory_$Pointer$.base| |assign2_#in~pb.base|) |assign2_#in~pb.offset|) |assign2_#t~mem2.base|) (= (select (select |#memory_$Pointer$.offset| |assign2_#in~pb.base|) |assign2_#in~pb.offset|) |assign2_#t~mem2.offset|) (= (select (select |#memory_$Pointer$.base| |assign2_#in~pa.base|) |assign2_#in~pa.offset|) |assign2_#t~mem1.base|) (= (select (select |#memory_$Pointer$.offset| |assign2_#in~pa.base|) |assign2_#in~pa.offset|) |assign2_#t~mem1.offset|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.offset|)) (not (= |~#a~0.base| (select .cse2 |~#global~0.offset|))) (not (= (select .cse2 .cse1) |~#b~0.base|)))) [2019-11-06 21:10:57,448 INFO L443 ceAbstractionStarter]: For program point L16-1(line 16) no Hoare annotation was computed. [2019-11-06 21:10:57,448 INFO L443 ceAbstractionStarter]: For program point assign2FINAL(lines 14 17) no Hoare annotation was computed. [2019-11-06 21:10:57,448 INFO L439 ceAbstractionStarter]: At program point assign2ENTRY(lines 14 17) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse2 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse1 (+ |~#global~0.offset| 4))) (or (not (= (select .cse0 .cse1) |~#b~0.offset|)) (= |~#a~0.base| |~#b~0.base|) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.offset|)) (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (not (= |~#a~0.base| (select .cse2 |~#global~0.offset|))) (not (= (select .cse2 .cse1) |~#b~0.base|)))) [2019-11-06 21:10:57,449 INFO L443 ceAbstractionStarter]: For program point assign2EXIT(lines 14 17) no Hoare annotation was computed. [2019-11-06 21:10:57,449 INFO L443 ceAbstractionStarter]: For program point assignEXIT(lines 9 12) no Hoare annotation was computed. [2019-11-06 21:10:57,449 INFO L439 ceAbstractionStarter]: At program point assignENTRY(lines 9 12) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse2 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse1 (+ |~#global~0.offset| 4))) (or (not (= (select .cse0 .cse1) |~#b~0.offset|)) (= |~#a~0.base| |~#b~0.base|) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.offset|)) (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (not (= |~#a~0.base| (select .cse2 |~#global~0.offset|))) (not (= (select .cse2 .cse1) |~#b~0.base|)))) [2019-11-06 21:10:57,450 INFO L443 ceAbstractionStarter]: For program point assignFINAL(lines 9 12) no Hoare annotation was computed. [2019-11-06 21:10:57,467 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-11-06 21:10:57,469 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-11-06 21:10:57,471 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-06 21:10:57,471 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-06 21:10:57,474 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-06 21:10:57,474 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-06 21:10:57,475 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-06 21:10:57,476 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-06 21:10:57,479 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-11-06 21:10:57,480 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-11-06 21:10:57,482 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-06 21:10:57,490 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-06 21:10:57,490 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-06 21:10:57,491 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-06 21:10:57,493 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-06 21:10:57,494 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-06 21:10:57,499 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 09:10:57 BoogieIcfgContainer [2019-11-06 21:10:57,501 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-06 21:10:57,503 INFO L168 Benchmark]: Toolchain (without parser) took 3046.85 ms. Allocated memory was 138.4 MB in the beginning and 245.4 MB in the end (delta: 107.0 MB). Free memory was 101.8 MB in the beginning and 190.1 MB in the end (delta: -88.4 MB). Peak memory consumption was 115.8 MB. Max. memory is 7.1 GB. [2019-11-06 21:10:57,505 INFO L168 Benchmark]: CDTParser took 0.46 ms. Allocated memory is still 138.4 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-11-06 21:10:57,508 INFO L168 Benchmark]: CACSL2BoogieTranslator took 355.14 ms. Allocated memory was 138.4 MB in the beginning and 202.4 MB in the end (delta: 64.0 MB). Free memory was 101.6 MB in the beginning and 182.6 MB in the end (delta: -81.0 MB). Peak memory consumption was 23.2 MB. Max. memory is 7.1 GB. [2019-11-06 21:10:57,511 INFO L168 Benchmark]: Boogie Preprocessor took 33.44 ms. Allocated memory is still 202.4 MB. Free memory was 182.6 MB in the beginning and 179.3 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. [2019-11-06 21:10:57,512 INFO L168 Benchmark]: RCFGBuilder took 328.35 ms. Allocated memory is still 202.4 MB. Free memory was 179.3 MB in the beginning and 164.0 MB in the end (delta: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 7.1 GB. [2019-11-06 21:10:57,514 INFO L168 Benchmark]: TraceAbstraction took 2325.48 ms. Allocated memory was 202.4 MB in the beginning and 245.4 MB in the end (delta: 43.0 MB). Free memory was 163.3 MB in the beginning and 190.1 MB in the end (delta: -26.8 MB). Peak memory consumption was 113.4 MB. Max. memory is 7.1 GB. [2019-11-06 21:10:57,524 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 ms. Allocated memory is still 138.4 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 355.14 ms. Allocated memory was 138.4 MB in the beginning and 202.4 MB in the end (delta: 64.0 MB). Free memory was 101.6 MB in the beginning and 182.6 MB in the end (delta: -81.0 MB). Peak memory consumption was 23.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 33.44 ms. Allocated memory is still 202.4 MB. Free memory was 182.6 MB in the beginning and 179.3 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 328.35 ms. Allocated memory is still 202.4 MB. Free memory was 179.3 MB in the beginning and 164.0 MB in the end (delta: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2325.48 ms. Allocated memory was 202.4 MB in the beginning and 245.4 MB in the end (delta: 43.0 MB). Free memory was 163.3 MB in the beginning and 190.1 MB in the end (delta: -26.8 MB). Peak memory consumption was 113.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$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 - 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_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 31]: 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: 20]: Loop Invariant [2019-11-06 21:10:57,548 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-11-06 21:10:57,549 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-11-06 21:10:57,549 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-06 21:10:57,549 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-06 21:10:57,550 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-06 21:10:57,550 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-06 21:10:57,551 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-06 21:10:57,551 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-06 21:10:57,552 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-11-06 21:10:57,557 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-11-06 21:10:57,559 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-06 21:10:57,559 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-06 21:10:57,559 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-06 21:10:57,559 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-06 21:10:57,560 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-06 21:10:57,560 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((!(\old(#memory_$Pointer$)[global][global + 4] == b) || a == b) || !(\old(#memory_$Pointer$)[global][global] == a)) || !(a == \old(#memory_$Pointer$)[global][global])) || !(\old(#memory_$Pointer$)[global][global + 4] == b) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 23 locations, 1 error locations. Result: SAFE, OverallTime: 2.2s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, HoareTripleCheckerStatistics: 11 SDtfs, 15 SDslu, 18 SDs, 0 SdLazy, 126 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred 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, 9 LocationsWithAnnotation, 9 PreInvPairs, 9 NumberOfFragments, 419 HoareAnnotationTreeSize, 9 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 339 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 7361 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, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...