/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/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/ldv-sets/test_add-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 03:57:09,061 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 03:57:09,063 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 03:57:09,075 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 03:57:09,075 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 03:57:09,077 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 03:57:09,078 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 03:57:09,080 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 03:57:09,081 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 03:57:09,082 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 03:57:09,083 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 03:57:09,084 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 03:57:09,085 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 03:57:09,086 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 03:57:09,086 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 03:57:09,088 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 03:57:09,088 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 03:57:09,089 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 03:57:09,091 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 03:57:09,093 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 03:57:09,095 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 03:57:09,096 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 03:57:09,097 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 03:57:09,098 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 03:57:09,100 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-24 03:57:09,108 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 03:57:09,109 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 03:57:09,109 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 03:57:09,110 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-24 03:57:09,126 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 03:57:09,126 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 03:57:09,127 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 03:57:09,127 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 03:57:09,127 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 03:57:09,127 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 03:57:09,127 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 03:57:09,128 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 03:57:09,128 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 03:57:09,128 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 03:57:09,128 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 03:57:09,128 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 03:57:09,129 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 03:57:09,129 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 03:57:09,129 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 03:57:09,130 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 03:57:09,130 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 03:57:09,130 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 03:57:09,130 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 03:57:09,131 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 03:57:09,131 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 03:57:09,131 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 03:57:09,131 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 03:57:09,131 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 03:57:09,132 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 03:57:09,132 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 03:57:09,132 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 03:57:09,132 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 03:57:09,132 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 03:57:09,133 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 03:57:09,133 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 03:57:09,134 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 03:57:09,134 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 03:57:09,134 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 03:57:09,134 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 03:57:09,134 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 03:57:09,135 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 03:57:09,135 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 03:57:09,412 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 03:57:09,425 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 03:57:09,428 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 03:57:09,430 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 03:57:09,430 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 03:57:09,431 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-sets/test_add-2.i [2019-11-24 03:57:09,490 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5ff401b4/7995eac496ff48259d8fea171baa952c/FLAGbafc4e8fb [2019-11-24 03:57:09,969 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 03:57:09,970 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-sets/test_add-2.i [2019-11-24 03:57:09,996 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5ff401b4/7995eac496ff48259d8fea171baa952c/FLAGbafc4e8fb [2019-11-24 03:57:10,311 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5ff401b4/7995eac496ff48259d8fea171baa952c [2019-11-24 03:57:10,319 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 03:57:10,321 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 03:57:10,322 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 03:57:10,322 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 03:57:10,325 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 03:57:10,326 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 03:57:10" (1/1) ... [2019-11-24 03:57:10,329 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43490a9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:57:10, skipping insertion in model container [2019-11-24 03:57:10,330 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 03:57:10" (1/1) ... [2019-11-24 03:57:10,337 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 03:57:10,377 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 03:57:10,828 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 03:57:10,840 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 03:57:10,889 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 03:57:10,956 INFO L208 MainTranslator]: Completed translation [2019-11-24 03:57:10,957 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:57:10 WrapperNode [2019-11-24 03:57:10,957 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 03:57:10,958 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 03:57:10,958 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 03:57:10,958 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 03:57:10,967 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:57:10" (1/1) ... [2019-11-24 03:57:11,008 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:57:10" (1/1) ... [2019-11-24 03:57:11,040 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 03:57:11,040 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 03:57:11,040 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 03:57:11,040 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 03:57:11,048 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:57:10" (1/1) ... [2019-11-24 03:57:11,049 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:57:10" (1/1) ... [2019-11-24 03:57:11,054 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:57:10" (1/1) ... [2019-11-24 03:57:11,054 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:57:10" (1/1) ... [2019-11-24 03:57:11,064 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:57:10" (1/1) ... [2019-11-24 03:57:11,068 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:57:10" (1/1) ... [2019-11-24 03:57:11,070 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:57:10" (1/1) ... [2019-11-24 03:57:11,074 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 03:57:11,074 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 03:57:11,074 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 03:57:11,074 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 03:57:11,075 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:57:10" (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 [2019-11-24 03:57:11,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-24 03:57:11,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-24 03:57:11,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-24 03:57:11,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-24 03:57:11,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-24 03:57:11,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-24 03:57:11,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-24 03:57:11,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 03:57:11,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 03:57:11,998 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 03:57:11,998 INFO L284 CfgBuilder]: Removed 20 assume(true) statements. [2019-11-24 03:57:11,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 03:57:11 BoogieIcfgContainer [2019-11-24 03:57:12,000 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 03:57:12,001 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-24 03:57:12,001 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-24 03:57:12,004 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-24 03:57:12,005 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 03:57:10" (1/3) ... [2019-11-24 03:57:12,005 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@678ac10c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 03:57:12, skipping insertion in model container [2019-11-24 03:57:12,006 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:57:10" (2/3) ... [2019-11-24 03:57:12,006 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@678ac10c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 03:57:12, skipping insertion in model container [2019-11-24 03:57:12,006 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 03:57:11" (3/3) ... [2019-11-24 03:57:12,008 INFO L109 eAbstractionObserver]: Analyzing ICFG test_add-2.i [2019-11-24 03:57:12,018 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-24 03:57:12,026 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-24 03:57:12,037 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-24 03:57:12,061 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-24 03:57:12,062 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-24 03:57:12,062 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-24 03:57:12,062 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-24 03:57:12,062 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-24 03:57:12,063 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-24 03:57:12,063 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-24 03:57:12,063 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-24 03:57:12,078 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2019-11-24 03:57:12,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-24 03:57:12,084 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 03:57:12,085 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-24 03:57:12,086 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 03:57:12,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 03:57:12,092 INFO L82 PathProgramCache]: Analyzing trace with hash 895836147, now seen corresponding path program 1 times [2019-11-24 03:57:12,102 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 03:57:12,103 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274568991] [2019-11-24 03:57:12,103 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 03:57:12,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 03:57:12,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 03:57:12,446 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274568991] [2019-11-24 03:57:12,447 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 03:57:12,447 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-24 03:57:12,448 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587652235] [2019-11-24 03:57:12,454 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-24 03:57:12,455 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 03:57:12,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-24 03:57:12,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-24 03:57:12,468 INFO L87 Difference]: Start difference. First operand 12 states. Second operand 5 states. [2019-11-24 03:57:12,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 03:57:12,595 INFO L93 Difference]: Finished difference Result 33 states and 39 transitions. [2019-11-24 03:57:12,595 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-24 03:57:12,597 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 7 [2019-11-24 03:57:12,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 03:57:12,608 INFO L225 Difference]: With dead ends: 33 [2019-11-24 03:57:12,608 INFO L226 Difference]: Without dead ends: 21 [2019-11-24 03:57:12,612 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-24 03:57:12,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-11-24 03:57:12,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 12. [2019-11-24 03:57:12,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-11-24 03:57:12,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 15 transitions. [2019-11-24 03:57:12,652 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 15 transitions. Word has length 7 [2019-11-24 03:57:12,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 03:57:12,652 INFO L462 AbstractCegarLoop]: Abstraction has 12 states and 15 transitions. [2019-11-24 03:57:12,653 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-24 03:57:12,653 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2019-11-24 03:57:12,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-24 03:57:12,653 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 03:57:12,654 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 03:57:12,654 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 03:57:12,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 03:57:12,654 INFO L82 PathProgramCache]: Analyzing trace with hash -1077266121, now seen corresponding path program 1 times [2019-11-24 03:57:12,655 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 03:57:12,655 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336934375] [2019-11-24 03:57:12,655 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 03:57:12,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 03:57:12,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 03:57:12,860 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336934375] [2019-11-24 03:57:12,861 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 03:57:12,861 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-24 03:57:12,862 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190760626] [2019-11-24 03:57:12,863 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-24 03:57:12,863 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 03:57:12,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-24 03:57:12,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 03:57:12,865 INFO L87 Difference]: Start difference. First operand 12 states and 15 transitions. Second operand 3 states. [2019-11-24 03:57:12,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 03:57:12,931 INFO L93 Difference]: Finished difference Result 21 states and 26 transitions. [2019-11-24 03:57:12,932 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-24 03:57:12,932 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2019-11-24 03:57:12,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 03:57:12,932 INFO L225 Difference]: With dead ends: 21 [2019-11-24 03:57:12,933 INFO L226 Difference]: Without dead ends: 10 [2019-11-24 03:57:12,934 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 03:57:12,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2019-11-24 03:57:12,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2019-11-24 03:57:12,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2019-11-24 03:57:12,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 11 transitions. [2019-11-24 03:57:12,938 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 11 transitions. Word has length 8 [2019-11-24 03:57:12,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 03:57:12,938 INFO L462 AbstractCegarLoop]: Abstraction has 10 states and 11 transitions. [2019-11-24 03:57:12,938 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-24 03:57:12,938 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2019-11-24 03:57:12,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-24 03:57:12,939 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 03:57:12,939 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 03:57:12,939 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 03:57:12,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 03:57:12,940 INFO L82 PathProgramCache]: Analyzing trace with hash 1969416303, now seen corresponding path program 1 times [2019-11-24 03:57:12,940 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 03:57:12,940 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750665160] [2019-11-24 03:57:12,940 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 03:57:12,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 03:57:13,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 03:57:13,040 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750665160] [2019-11-24 03:57:13,041 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 03:57:13,041 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-24 03:57:13,041 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255704643] [2019-11-24 03:57:13,042 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-24 03:57:13,042 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 03:57:13,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-24 03:57:13,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-24 03:57:13,043 INFO L87 Difference]: Start difference. First operand 10 states and 11 transitions. Second operand 4 states. [2019-11-24 03:57:13,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 03:57:13,098 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2019-11-24 03:57:13,098 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-24 03:57:13,098 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2019-11-24 03:57:13,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 03:57:13,099 INFO L225 Difference]: With dead ends: 14 [2019-11-24 03:57:13,099 INFO L226 Difference]: Without dead ends: 10 [2019-11-24 03:57:13,100 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-24 03:57:13,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2019-11-24 03:57:13,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2019-11-24 03:57:13,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2019-11-24 03:57:13,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2019-11-24 03:57:13,104 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 8 [2019-11-24 03:57:13,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 03:57:13,104 INFO L462 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2019-11-24 03:57:13,104 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-24 03:57:13,105 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2019-11-24 03:57:13,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-24 03:57:13,105 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 03:57:13,106 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 03:57:13,106 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 03:57:13,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 03:57:13,106 INFO L82 PathProgramCache]: Analyzing trace with hash 946074031, now seen corresponding path program 1 times [2019-11-24 03:57:13,107 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 03:57:13,107 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984569353] [2019-11-24 03:57:13,108 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 03:57:13,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 03:57:13,300 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 03:57:13,301 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984569353] [2019-11-24 03:57:13,301 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 03:57:13,301 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-24 03:57:13,301 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250667702] [2019-11-24 03:57:13,303 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-24 03:57:13,303 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 03:57:13,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-24 03:57:13,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-24 03:57:13,304 INFO L87 Difference]: Start difference. First operand 10 states and 10 transitions. Second operand 6 states. [2019-11-24 03:57:13,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 03:57:13,481 INFO L93 Difference]: Finished difference Result 11 states and 11 transitions. [2019-11-24 03:57:13,481 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-24 03:57:13,481 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 9 [2019-11-24 03:57:13,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 03:57:13,482 INFO L225 Difference]: With dead ends: 11 [2019-11-24 03:57:13,482 INFO L226 Difference]: Without dead ends: 0 [2019-11-24 03:57:13,483 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2019-11-24 03:57:13,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-24 03:57:13,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-24 03:57:13,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-24 03:57:13,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-24 03:57:13,484 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 9 [2019-11-24 03:57:13,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 03:57:13,484 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-24 03:57:13,484 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-24 03:57:13,485 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-24 03:57:13,485 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-24 03:57:13,489 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-24 03:57:13,698 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-24 03:57:13,699 INFO L440 ceAbstractionStarter]: At program point L639-3(lines 639 643) the Hoare annotation is: (and (<= |~#s1~0.offset| 0) (= ULTIMATE.start_ldv_is_in_set_~m~1.base ULTIMATE.start_ldv_is_in_set_~s.base) (= |~#s1~0.base| ULTIMATE.start_ldv_is_in_set_~s.base) (= (select (select |#memory_$Pointer$.base| ULTIMATE.start_ldv_is_in_set_~s.base) ULTIMATE.start_ldv_is_in_set_~s.offset) ULTIMATE.start_ldv_is_in_set_~m~1.base) (= ULTIMATE.start_ldv_set_add_~s.base ULTIMATE.start_ldv_is_in_set_~s.base) (= (+ ULTIMATE.start_ldv_is_in_set_~m~1.offset 4) |~#s1~0.offset|) (= |~#s1~0.offset| ULTIMATE.start_ldv_set_add_~s.offset) (<= 0 |~#s1~0.offset|) (= ULTIMATE.start_ldv_set_add_~s.offset ULTIMATE.start_ldv_is_in_set_~s.offset) (= ULTIMATE.start_ldv_set_add_~new ULTIMATE.start_foo_~j~0) (= 1 (select |#valid| |~#s1~0.base|))) [2019-11-24 03:57:13,699 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 654) no Hoare annotation was computed. [2019-11-24 03:57:13,699 INFO L440 ceAbstractionStarter]: At program point L639-8(lines 639 643) the Hoare annotation is: (and (<= |~#s1~0.offset| 0) (= |~#s1~0.base| ULTIMATE.start_ldv_is_in_set_~s.base) (not (= ULTIMATE.start_ldv_is_in_set_~m~1.base ULTIMATE.start_ldv_is_in_set_~s.base)) (= ULTIMATE.start_ldv_is_in_set_~e (select (select |#memory_int| ULTIMATE.start_ldv_is_in_set_~m~1.base) ULTIMATE.start_ldv_is_in_set_~m~1.offset)) (= (select (select |#memory_$Pointer$.base| ULTIMATE.start_ldv_is_in_set_~s.base) ULTIMATE.start_ldv_is_in_set_~s.offset) ULTIMATE.start_ldv_is_in_set_~m~1.base) (= ULTIMATE.start_ldv_set_add_~s.base ULTIMATE.start_ldv_is_in_set_~s.base) (= |~#s1~0.offset| ULTIMATE.start_ldv_set_add_~s.offset) (<= 0 |~#s1~0.offset|) (= ULTIMATE.start_ldv_set_add_~s.offset ULTIMATE.start_ldv_is_in_set_~s.offset) (= ULTIMATE.start_ldv_set_add_~new ULTIMATE.start_foo_~j~0) (= 1 (select |#valid| |~#s1~0.base|))) [2019-11-24 03:57:13,700 INFO L440 ceAbstractionStarter]: At program point L644(lines 637 645) the Hoare annotation is: (and (<= |~#s1~0.offset| 0) (= |~#s1~0.base| ULTIMATE.start_ldv_is_in_set_~s.base) (= (select (select |#memory_$Pointer$.base| ULTIMATE.start_ldv_is_in_set_~s.base) ULTIMATE.start_ldv_is_in_set_~s.offset) ULTIMATE.start_ldv_is_in_set_~m~1.base) (= ULTIMATE.start_ldv_set_add_~s.base ULTIMATE.start_ldv_is_in_set_~s.base) (= (+ ULTIMATE.start_ldv_is_in_set_~m~1.offset 4) |~#s1~0.offset|) (= |~#s1~0.offset| ULTIMATE.start_ldv_set_add_~s.offset) (<= 0 |~#s1~0.offset|) (= ULTIMATE.start_ldv_set_add_~s.offset ULTIMATE.start_ldv_is_in_set_~s.offset) (= ULTIMATE.start_ldv_set_add_~new ULTIMATE.start_foo_~j~0) (= 1 (select |#valid| |~#s1~0.base|)) (= 0 |ULTIMATE.start_ldv_is_in_set_#res|) (= ULTIMATE.start_ldv_set_add_~s.base (select (select |#memory_$Pointer$.base| |~#s1~0.base|) ULTIMATE.start_ldv_set_add_~s.offset))) [2019-11-24 03:57:13,700 INFO L440 ceAbstractionStarter]: At program point L644-1(lines 637 645) the Hoare annotation is: (and (= |~#s1~0.base| ULTIMATE.start_ldv_set_add_~s.base) (= 1 |ULTIMATE.start_ldv_is_in_set_#res|) (= |~#s1~0.offset| ULTIMATE.start_ldv_set_add_~s.offset) (= 1 (select |#valid| |~#s1~0.base|))) [2019-11-24 03:57:13,700 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-24 03:57:13,700 INFO L444 ceAbstractionStarter]: For program point L640(lines 640 642) no Hoare annotation was computed. [2019-11-24 03:57:13,700 INFO L444 ceAbstractionStarter]: For program point L640-1(lines 640 642) no Hoare annotation was computed. [2019-11-24 03:57:13,701 INFO L444 ceAbstractionStarter]: For program point L654(line 654) no Hoare annotation was computed. [2019-11-24 03:57:13,701 INFO L444 ceAbstractionStarter]: For program point L654-1(line 654) no Hoare annotation was computed. [2019-11-24 03:57:13,701 INFO L440 ceAbstractionStarter]: At program point L650(lines 650 655) the Hoare annotation is: (and (= |~#s1~0.base| ULTIMATE.start_ldv_set_add_~s.base) (= |~#s1~0.offset| ULTIMATE.start_ldv_set_add_~s.offset) (= 1 (select |#valid| |~#s1~0.base|))) [2019-11-24 03:57:13,712 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-24 03:57:13,713 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-24 03:57:13,716 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-24 03:57:13,716 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-24 03:57:13,719 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-24 03:57:13,720 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-24 03:57:13,720 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-24 03:57:13,721 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-24 03:57:13,726 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-24 03:57:13,729 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-24 03:57:13,729 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-24 03:57:13,730 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-24 03:57:13,734 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-24 03:57:13,735 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-24 03:57:13,742 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-24 03:57:13,743 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-24 03:57:13,744 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-24 03:57:13,746 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-24 03:57:13,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 03:57:13 BoogieIcfgContainer [2019-11-24 03:57:13,753 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-24 03:57:13,756 INFO L168 Benchmark]: Toolchain (without parser) took 3434.14 ms. Allocated memory was 137.4 MB in the beginning and 232.3 MB in the end (delta: 94.9 MB). Free memory was 100.2 MB in the beginning and 77.8 MB in the end (delta: 22.4 MB). Peak memory consumption was 117.2 MB. Max. memory is 7.1 GB. [2019-11-24 03:57:13,758 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 137.4 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-11-24 03:57:13,760 INFO L168 Benchmark]: CACSL2BoogieTranslator took 635.64 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 100.0 MB in the beginning and 163.1 MB in the end (delta: -63.1 MB). Peak memory consumption was 23.8 MB. Max. memory is 7.1 GB. [2019-11-24 03:57:13,761 INFO L168 Benchmark]: Boogie Procedure Inliner took 82.02 ms. Allocated memory is still 201.3 MB. Free memory was 163.1 MB in the beginning and 161.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-11-24 03:57:13,767 INFO L168 Benchmark]: Boogie Preprocessor took 33.80 ms. Allocated memory is still 201.3 MB. Free memory was 161.1 MB in the beginning and 159.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-11-24 03:57:13,768 INFO L168 Benchmark]: RCFGBuilder took 925.60 ms. Allocated memory is still 201.3 MB. Free memory was 159.0 MB in the beginning and 104.8 MB in the end (delta: 54.2 MB). Peak memory consumption was 54.2 MB. Max. memory is 7.1 GB. [2019-11-24 03:57:13,769 INFO L168 Benchmark]: TraceAbstraction took 1752.42 ms. Allocated memory was 201.3 MB in the beginning and 232.3 MB in the end (delta: 30.9 MB). Free memory was 104.8 MB in the beginning and 77.8 MB in the end (delta: 27.0 MB). Peak memory consumption was 57.9 MB. Max. memory is 7.1 GB. [2019-11-24 03:57:13,782 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 137.4 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 635.64 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 100.0 MB in the beginning and 163.1 MB in the end (delta: -63.1 MB). Peak memory consumption was 23.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 82.02 ms. Allocated memory is still 201.3 MB. Free memory was 163.1 MB in the beginning and 161.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 33.80 ms. Allocated memory is still 201.3 MB. Free memory was 161.1 MB in the beginning and 159.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 925.60 ms. Allocated memory is still 201.3 MB. Free memory was 159.0 MB in the beginning and 104.8 MB in the end (delta: 54.2 MB). Peak memory consumption was 54.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1752.42 ms. Allocated memory was 201.3 MB in the beginning and 232.3 MB in the end (delta: 30.9 MB). Free memory was 104.8 MB in the beginning and 77.8 MB in the end (delta: 27.0 MB). Peak memory consumption was 57.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.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_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - 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_$Pointer$ * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 654]: 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: 637]: Loop Invariant [2019-11-24 03:57:13,800 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-24 03:57:13,800 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-24 03:57:13,801 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-24 03:57:13,804 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-24 03:57:13,804 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-24 03:57:13,805 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-24 03:57:13,818 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-24 03:57:13,818 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: ((((((((((s1 <= 0 && s1 == s) && #memory_$Pointer$[s][s] == m) && s == s) && m + 4 == s1) && s1 == s) && 0 <= s1) && s == s) && new == j) && 1 == \valid[s1]) && 0 == \result) && s == #memory_$Pointer$[s1][s] - InvariantResult [Line: 637]: Loop Invariant Derived loop invariant: ((s1 == s && 1 == \result) && s1 == s) && 1 == \valid[s1] - InvariantResult [Line: 639]: Loop Invariant [2019-11-24 03:57:13,821 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-24 03:57:13,821 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-24 03:57:13,821 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-24 03:57:13,822 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-24 03:57:13,822 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-24 03:57:13,822 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((((((((s1 <= 0 && s1 == s) && !(m == s)) && e == unknown-#memory_int-unknown[m][m]) && #memory_$Pointer$[s][s] == m) && s == s) && s1 == s) && 0 <= s1) && s == s) && new == j) && 1 == \valid[s1] - InvariantResult [Line: 639]: Loop Invariant [2019-11-24 03:57:13,823 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-24 03:57:13,823 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-24 03:57:13,826 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-24 03:57:13,828 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((((((((s1 <= 0 && m == s) && s1 == s) && #memory_$Pointer$[s][s] == m) && s == s) && m + 4 == s1) && s1 == s) && 0 <= s1) && s == s) && new == j) && 1 == \valid[s1] - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: (s1 == s && s1 == s) && 1 == \valid[s1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 12 locations, 1 error locations. Result: SAFE, OverallTime: 1.6s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 34 SDtfs, 42 SDslu, 27 SDs, 0 SdLazy, 46 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred 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, 4 MinimizatonAttempts, 9 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 12 NumberOfFragments, 163 HoareAnnotationTreeSize, 5 FomulaSimplifications, 65 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 18 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 28 ConstructedInterpolants, 0 QuantifiedInterpolants, 1060 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 1/1 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...