/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/ldv-regression/test10.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 16:12:10,370 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 16:12:10,375 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 16:12:10,432 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 16:12:10,433 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 16:12:10,437 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 16:12:10,441 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 16:12:10,447 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 16:12:10,451 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 16:12:10,458 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 16:12:10,462 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 16:12:10,464 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2021-01-06 16:12:10,557 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 16:12:10,558 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 16:12:10,559 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 16:12:10,560 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-01-06 16:12:10,605 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 16:12:10,606 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 16:12:10,612 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 16:12:10,612 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 16:12:10,613 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 16:12:10,613 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 16:12:10,613 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 16:12:10,613 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 16:12:10,614 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 16:12:10,614 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 16:12:10,615 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 16:12:10,616 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 16:12:10,616 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 16:12:10,616 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 16:12:10,617 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 16:12:10,617 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 16:12:10,617 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 16:12:10,617 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 16:12:10,618 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 16:12:10,618 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 16:12:10,618 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 16:12:10,618 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 16:12:10,619 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 16:12:10,619 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 16:12:10,619 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 16:12:10,619 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 16:12:11,082 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 16:12:11,108 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 16:12:11,111 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 16:12:11,112 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 16:12:11,113 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 16:12:11,114 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test10.c [2021-01-06 16:12:11,200 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/d0b143efc/9ca02861db654f4099eb62959de0fa12/FLAG24d2ac731 [2021-01-06 16:12:11,836 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 16:12:11,836 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/ldv-regression/test10.c [2021-01-06 16:12:11,844 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/d0b143efc/9ca02861db654f4099eb62959de0fa12/FLAG24d2ac731 [2021-01-06 16:12:11,863 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/d0b143efc/9ca02861db654f4099eb62959de0fa12 [2021-01-06 16:12:11,867 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 16:12:11,869 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 16:12:11,871 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 16:12:11,872 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 16:12:11,876 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 16:12:11,877 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 04:12:11" (1/1) ... [2021-01-06 16:12:11,878 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e3de5d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:12:11, skipping insertion in model container [2021-01-06 16:12:11,878 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 04:12:11" (1/1) ... [2021-01-06 16:12:11,888 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 16:12:11,905 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: address: IdentifierExpression[~pp1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~pp2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~pp1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~pp2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~b~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~b~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~px~0,] left hand side expression in assignment: lhs: VariableLHS[~a~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~b~0,GLOBAL] [2021-01-06 16:12:12,177 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/ldv-regression/test10.c[715,728] [2021-01-06 16:12:12,185 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 16:12:12,201 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: address: IdentifierExpression[~pp1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~pp2~0,GLOBAL] left hand side expression in assignment: address: IdentifierExpression[~#p1~0,GLOBAL] left hand side expression in assignment: address: IdentifierExpression[~#p2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~pp1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~pp2~0,GLOBAL] left hand side expression in assignment: address: IdentifierExpression[~#b~0,GLOBAL] left hand side expression in assignment: address: IdentifierExpression[~#a~0,GLOBAL] left hand side expression in assignment: address: IdentifierExpression[~#a~0,GLOBAL] left hand side expression in assignment: address: IdentifierExpression[~#a~0,GLOBAL] left hand side expression in assignment: address: IdentifierExpression[~#b~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~px~0,] left hand side expression in assignment: address: IdentifierExpression[~#a~0,GLOBAL] left hand side expression in assignment: address: IdentifierExpression[~#b~0,GLOBAL] [2021-01-06 16:12:12,231 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/ldv-regression/test10.c[715,728] [2021-01-06 16:12:12,232 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 16:12:12,255 INFO L208 MainTranslator]: Completed translation [2021-01-06 16:12:12,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:12:12 WrapperNode [2021-01-06 16:12:12,257 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 16:12:12,260 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 16:12:12,260 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 16:12:12,260 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 16:12:12,271 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:12:12" (1/1) ... [2021-01-06 16:12:12,283 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:12:12" (1/1) ... [2021-01-06 16:12:12,318 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 16:12:12,321 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 16:12:12,322 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 16:12:12,322 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 16:12:12,334 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:12:12" (1/1) ... [2021-01-06 16:12:12,334 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:12:12" (1/1) ... [2021-01-06 16:12:12,348 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:12:12" (1/1) ... [2021-01-06 16:12:12,349 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:12:12" (1/1) ... [2021-01-06 16:12:12,364 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:12:12" (1/1) ... [2021-01-06 16:12:12,370 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:12:12" (1/1) ... [2021-01-06 16:12:12,372 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:12:12" (1/1) ... [2021-01-06 16:12:12,378 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 16:12:12,382 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 16:12:12,382 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 16:12:12,382 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 16:12:12,384 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:12:12" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/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 [2021-01-06 16:12:12,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-01-06 16:12:12,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-01-06 16:12:12,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 16:12:12,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-01-06 16:12:12,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 16:12:12,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-01-06 16:12:12,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 16:12:12,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 16:12:12,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-01-06 16:12:12,989 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 16:12:12,989 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-01-06 16:12:12,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 04:12:12 BoogieIcfgContainer [2021-01-06 16:12:12,991 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 16:12:12,993 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 16:12:12,993 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 16:12:12,996 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 16:12:12,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 04:12:11" (1/3) ... [2021-01-06 16:12:12,998 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e4a30d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 04:12:12, skipping insertion in model container [2021-01-06 16:12:12,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:12:12" (2/3) ... [2021-01-06 16:12:12,998 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e4a30d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 04:12:12, skipping insertion in model container [2021-01-06 16:12:12,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 04:12:12" (3/3) ... [2021-01-06 16:12:13,000 INFO L111 eAbstractionObserver]: Analyzing ICFG test10.c [2021-01-06 16:12:13,007 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 16:12:13,016 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-01-06 16:12:13,061 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-01-06 16:12:13,113 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 16:12:13,113 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 16:12:13,113 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 16:12:13,114 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 16:12:13,114 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 16:12:13,114 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 16:12:13,114 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 16:12:13,114 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 16:12:13,179 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2021-01-06 16:12:13,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-01-06 16:12:13,188 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 16:12:13,208 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-01-06 16:12:13,209 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 16:12:13,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 16:12:13,223 INFO L82 PathProgramCache]: Analyzing trace with hash 889477034, now seen corresponding path program 1 times [2021-01-06 16:12:13,236 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 16:12:13,237 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432591121] [2021-01-06 16:12:13,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 16:12:13,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 16:12:13,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 16:12:13,889 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432591121] [2021-01-06 16:12:13,890 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 16:12:13,891 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 16:12:13,891 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684825534] [2021-01-06 16:12:13,896 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 16:12:13,896 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 16:12:13,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 16:12:13,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 16:12:13,915 INFO L87 Difference]: Start difference. First operand 10 states. Second operand 5 states. [2021-01-06 16:12:14,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 16:12:14,089 INFO L93 Difference]: Finished difference Result 16 states and 17 transitions. [2021-01-06 16:12:14,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 16:12:14,092 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 6 [2021-01-06 16:12:14,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 16:12:14,102 INFO L225 Difference]: With dead ends: 16 [2021-01-06 16:12:14,102 INFO L226 Difference]: Without dead ends: 7 [2021-01-06 16:12:14,105 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-01-06 16:12:14,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2021-01-06 16:12:14,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2021-01-06 16:12:14,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-01-06 16:12:14,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 6 transitions. [2021-01-06 16:12:14,145 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 6 transitions. Word has length 6 [2021-01-06 16:12:14,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 16:12:14,145 INFO L481 AbstractCegarLoop]: Abstraction has 7 states and 6 transitions. [2021-01-06 16:12:14,145 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 16:12:14,146 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2021-01-06 16:12:14,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-01-06 16:12:14,146 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 16:12:14,146 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-01-06 16:12:14,147 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 16:12:14,147 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 16:12:14,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 16:12:14,148 INFO L82 PathProgramCache]: Analyzing trace with hash 889478956, now seen corresponding path program 1 times [2021-01-06 16:12:14,148 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 16:12:14,149 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57840969] [2021-01-06 16:12:14,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 16:12:14,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 16:12:14,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 16:12:14,296 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57840969] [2021-01-06 16:12:14,297 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 16:12:14,297 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 16:12:14,298 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724474430] [2021-01-06 16:12:14,299 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 16:12:14,299 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 16:12:14,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 16:12:14,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-01-06 16:12:14,302 INFO L87 Difference]: Start difference. First operand 7 states and 6 transitions. Second operand 6 states. [2021-01-06 16:12:14,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 16:12:14,465 INFO L93 Difference]: Finished difference Result 7 states and 6 transitions. [2021-01-06 16:12:14,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 16:12:14,465 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 6 [2021-01-06 16:12:14,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 16:12:14,466 INFO L225 Difference]: With dead ends: 7 [2021-01-06 16:12:14,466 INFO L226 Difference]: Without dead ends: 0 [2021-01-06 16:12:14,467 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-01-06 16:12:14,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-01-06 16:12:14,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-01-06 16:12:14,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-01-06 16:12:14,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-01-06 16:12:14,469 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2021-01-06 16:12:14,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 16:12:14,469 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-01-06 16:12:14,469 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-06 16:12:14,470 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-01-06 16:12:14,470 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-01-06 16:12:14,470 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 16:12:14,473 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-01-06 16:12:14,567 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-01-06 16:12:14,568 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2021-01-06 16:12:14,568 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-01-06 16:12:14,568 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-01-06 16:12:14,568 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 49) no Hoare annotation was computed. [2021-01-06 16:12:14,569 INFO L185 CegarLoopUtils]: At program point L50(lines 18 51) the Hoare annotation is: (and (= |~#b~0.base| (select (select |#memory_$Pointer$.base| ~pp2~0.base) |~#p1~0.offset|)) (= (select (select |#memory_$Pointer$.offset| |~#p1~0.base|) |~#p1~0.offset|) |~#b~0.offset|) (not (= |~#b~0.base| ~pp2~0.base)) (not (= |~#p2~0.base| |~#a~0.base|)) (= ~pp2~0.base |~#p1~0.base|) (not (= |~#b~0.base| |~#p2~0.base|)) (not (= |~#b~0.base| |~#a~0.base|)) (not (= |~#p1~0.base| |~#a~0.base|))) [2021-01-06 16:12:14,569 INFO L185 CegarLoopUtils]: At program point L15(lines 11 16) the Hoare annotation is: (and (= |~#b~0.base| (select (select |#memory_$Pointer$.base| ~pp2~0.base) |~#p1~0.offset|)) (= (select (select |#memory_$Pointer$.offset| |~#p1~0.base|) |~#p1~0.offset|) |~#b~0.offset|) (not (= |~#b~0.base| ~pp2~0.base)) (not (= |~#p2~0.base| |~#a~0.base|)) (= |~#p1~0.offset| ~pp2~0.offset) (= ~pp2~0.base |~#p1~0.base|) (not (= |~#b~0.base| |~#p2~0.base|)) (not (= |~#b~0.base| |~#a~0.base|)) (not (= |~#p1~0.base| |~#a~0.base|))) [2021-01-06 16:12:14,570 INFO L185 CegarLoopUtils]: At program point L44(lines 18 51) the Hoare annotation is: false [2021-01-06 16:12:14,570 INFO L189 CegarLoopUtils]: For program point L43(line 43) no Hoare annotation was computed. [2021-01-06 16:12:14,570 INFO L189 CegarLoopUtils]: For program point L43-2(lines 43 45) no Hoare annotation was computed. [2021-01-06 16:12:14,582 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-01-06 16:12:14,584 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-01-06 16:12:14,589 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-01-06 16:12:14,590 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-01-06 16:12:14,592 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-01-06 16:12:14,593 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-01-06 16:12:14,594 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-01-06 16:12:14,594 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-01-06 16:12:14,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.01 04:12:14 BoogieIcfgContainer [2021-01-06 16:12:14,597 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-01-06 16:12:14,598 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-01-06 16:12:14,598 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-01-06 16:12:14,599 INFO L275 PluginConnector]: Witness Printer initialized [2021-01-06 16:12:14,599 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 04:12:12" (3/4) ... [2021-01-06 16:12:14,603 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-01-06 16:12:14,616 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-01-06 16:12:14,616 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-01-06 16:12:14,617 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-01-06 16:12:14,617 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-01-06 16:12:14,672 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/ldv-regression/test10.c-witness.graphml [2021-01-06 16:12:14,672 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-01-06 16:12:14,674 INFO L168 Benchmark]: Toolchain (without parser) took 2804.38 ms. Allocated memory is still 170.9 MB. Free memory was 146.4 MB in the beginning and 64.2 MB in the end (delta: 82.2 MB). Peak memory consumption was 82.2 MB. Max. memory is 8.0 GB. [2021-01-06 16:12:14,674 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 170.9 MB. Free memory is still 145.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-01-06 16:12:14,675 INFO L168 Benchmark]: CACSL2BoogieTranslator took 386.87 ms. Allocated memory is still 170.9 MB. Free memory was 146.1 MB in the beginning and 136.3 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2021-01-06 16:12:14,676 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.31 ms. Allocated memory is still 170.9 MB. Free memory was 136.3 MB in the beginning and 134.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-01-06 16:12:14,676 INFO L168 Benchmark]: Boogie Preprocessor took 59.44 ms. Allocated memory is still 170.9 MB. Free memory was 134.6 MB in the beginning and 133.6 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-01-06 16:12:14,677 INFO L168 Benchmark]: RCFGBuilder took 609.46 ms. Allocated memory is still 170.9 MB. Free memory was 133.6 MB in the beginning and 113.6 MB in the end (delta: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. [2021-01-06 16:12:14,678 INFO L168 Benchmark]: TraceAbstraction took 1604.63 ms. Allocated memory is still 170.9 MB. Free memory was 113.4 MB in the beginning and 67.3 MB in the end (delta: 46.0 MB). Peak memory consumption was 45.5 MB. Max. memory is 8.0 GB. [2021-01-06 16:12:14,679 INFO L168 Benchmark]: Witness Printer took 73.82 ms. Allocated memory is still 170.9 MB. Free memory was 67.3 MB in the beginning and 64.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-01-06 16:12:14,682 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 170.9 MB. Free memory is still 145.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 386.87 ms. Allocated memory is still 170.9 MB. Free memory was 146.1 MB in the beginning and 136.3 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 60.31 ms. Allocated memory is still 170.9 MB. Free memory was 136.3 MB in the beginning and 134.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 59.44 ms. Allocated memory is still 170.9 MB. Free memory was 134.6 MB in the beginning and 133.6 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 609.46 ms. Allocated memory is still 170.9 MB. Free memory was 133.6 MB in the beginning and 113.6 MB in the end (delta: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1604.63 ms. Allocated memory is still 170.9 MB. Free memory was 113.4 MB in the beginning and 67.3 MB in the end (delta: 46.0 MB). Peak memory consumption was 45.5 MB. Max. memory is 8.0 GB. * Witness Printer took 73.82 ms. Allocated memory is still 170.9 MB. Free memory was 67.3 MB in the beginning and 64.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.offset * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 49]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 11]: Loop Invariant [2021-01-06 16:12:14,691 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-01-06 16:12:14,691 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-01-06 16:12:14,692 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-01-06 16:12:14,692 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset Derived loop invariant: (((((((b == #memory_$Pointer$[pp2][p1] && #memory_$Pointer$[p1][p1] == b) && !(b == pp2)) && !(p2 == a)) && p1 == pp2) && pp2 == p1) && !(b == p2)) && !(b == a)) && !(p1 == a) - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 18]: Loop Invariant [2021-01-06 16:12:14,694 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-01-06 16:12:14,694 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-01-06 16:12:14,695 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-01-06 16:12:14,696 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset Derived loop invariant: ((((((b == #memory_$Pointer$[pp2][p1] && #memory_$Pointer$[p1][p1] == b) && !(b == pp2)) && !(p2 == a)) && pp2 == p1) && !(b == p2)) && !(b == a)) && !(p1 == a) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.3s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 7 SDtfs, 14 SDslu, 5 SDs, 0 SdLazy, 16 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 4 NumberOfFragments, 80 HoareAnnotationTreeSize, 3 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 4 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 495 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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...