/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/array-industry-pattern/array_of_struct_ptr_flag_init.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-72570d3 [2020-08-22 16:56:09,908 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 16:56:09,911 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 16:56:09,957 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 16:56:09,958 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 16:56:09,969 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 16:56:09,971 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 16:56:09,974 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 16:56:09,978 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 16:56:09,981 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 16:56:09,982 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 16:56:09,984 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 16:56:09,984 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 16:56:09,985 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 16:56:09,989 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 16:56:09,990 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 16:56:09,992 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 16:56:09,994 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 16:56:09,996 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 16:56:10,004 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 16:56:10,006 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 16:56:10,007 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 16:56:10,009 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 16:56:10,010 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 16:56:10,015 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-22 16:56:10,027 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 16:56:10,028 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 16:56:10,030 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 16:56:10,030 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-22 16:56:10,075 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 16:56:10,075 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 16:56:10,077 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-22 16:56:10,077 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-22 16:56:10,077 INFO L138 SettingsManager]: * Use SBE=true [2020-08-22 16:56:10,077 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 16:56:10,078 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 16:56:10,078 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 16:56:10,078 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 16:56:10,078 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 16:56:10,079 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 16:56:10,080 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 16:56:10,080 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 16:56:10,080 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 16:56:10,080 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 16:56:10,081 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 16:56:10,081 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 16:56:10,081 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 16:56:10,081 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-22 16:56:10,081 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 16:56:10,082 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 16:56:10,082 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 16:56:10,082 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 16:56:10,082 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-22 16:56:10,082 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-22 16:56:10,083 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-22 16:56:10,083 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-22 16:56:10,083 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 16:56:10,083 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-22 16:56:10,083 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-08-22 16:56:10,372 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 16:56:10,385 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 16:56:10,389 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 16:56:10,391 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 16:56:10,391 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 16:56:10,392 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-industry-pattern/array_of_struct_ptr_flag_init.i [2020-08-22 16:56:10,458 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c11d18a55/2fc889cc467244318a485568d04edc48/FLAGe705251bc [2020-08-22 16:56:10,895 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 16:56:10,896 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-industry-pattern/array_of_struct_ptr_flag_init.i [2020-08-22 16:56:10,901 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c11d18a55/2fc889cc467244318a485568d04edc48/FLAGe705251bc [2020-08-22 16:56:11,311 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c11d18a55/2fc889cc467244318a485568d04edc48 [2020-08-22 16:56:11,322 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 16:56:11,325 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 16:56:11,326 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 16:56:11,326 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 16:56:11,330 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 16:56:11,331 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 04:56:11" (1/1) ... [2020-08-22 16:56:11,334 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35692340 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:56:11, skipping insertion in model container [2020-08-22 16:56:11,334 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 04:56:11" (1/1) ... [2020-08-22 16:56:11,343 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 16:56:11,365 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 16:56:11,596 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 16:56:11,604 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 16:56:11,625 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 16:56:11,642 INFO L208 MainTranslator]: Completed translation [2020-08-22 16:56:11,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:56:11 WrapperNode [2020-08-22 16:56:11,643 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 16:56:11,644 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 16:56:11,644 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 16:56:11,644 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 16:56:11,733 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:56:11" (1/1) ... [2020-08-22 16:56:11,734 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:56:11" (1/1) ... [2020-08-22 16:56:11,744 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:56:11" (1/1) ... [2020-08-22 16:56:11,745 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:56:11" (1/1) ... [2020-08-22 16:56:11,753 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:56:11" (1/1) ... [2020-08-22 16:56:11,759 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:56:11" (1/1) ... [2020-08-22 16:56:11,760 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:56:11" (1/1) ... [2020-08-22 16:56:11,763 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 16:56:11,763 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 16:56:11,763 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 16:56:11,763 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 16:56:11,765 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:56:11" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 16:56:11,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 16:56:11,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 16:56:11,831 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-08-22 16:56:11,831 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2020-08-22 16:56:11,832 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 16:56:11,832 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-22 16:56:11,832 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 16:56:11,832 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-08-22 16:56:11,832 INFO L130 BoogieDeclarations]: Found specification of procedure init [2020-08-22 16:56:11,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-22 16:56:11,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-22 16:56:11,832 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 16:56:11,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-22 16:56:11,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-22 16:56:11,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-22 16:56:11,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 16:56:11,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 16:56:12,091 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 16:56:12,091 INFO L295 CfgBuilder]: Removed 3 assume(true) statements. [2020-08-22 16:56:12,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 04:56:12 BoogieIcfgContainer [2020-08-22 16:56:12,095 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 16:56:12,097 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 16:56:12,097 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 16:56:12,101 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 16:56:12,101 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 04:56:11" (1/3) ... [2020-08-22 16:56:12,102 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@251831fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 04:56:12, skipping insertion in model container [2020-08-22 16:56:12,102 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:56:11" (2/3) ... [2020-08-22 16:56:12,103 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@251831fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 04:56:12, skipping insertion in model container [2020-08-22 16:56:12,103 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 04:56:12" (3/3) ... [2020-08-22 16:56:12,104 INFO L109 eAbstractionObserver]: Analyzing ICFG array_of_struct_ptr_flag_init.i [2020-08-22 16:56:12,118 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-08-22 16:56:12,128 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 16:56:12,149 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 16:56:12,182 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 16:56:12,182 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 16:56:12,182 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-08-22 16:56:12,182 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 16:56:12,183 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 16:56:12,183 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 16:56:12,183 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 16:56:12,184 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 16:56:12,209 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2020-08-22 16:56:12,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-08-22 16:56:12,216 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:56:12,217 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:56:12,217 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:56:12,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:56:12,224 INFO L82 PathProgramCache]: Analyzing trace with hash -850547107, now seen corresponding path program 1 times [2020-08-22 16:56:12,235 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:56:12,236 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564746467] [2020-08-22 16:56:12,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:56:12,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:56:12,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:56:12,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:56:12,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 16:56:12,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:56:12,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:56:12,480 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564746467] [2020-08-22 16:56:12,481 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 16:56:12,481 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-22 16:56:12,482 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739755203] [2020-08-22 16:56:12,488 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-22 16:56:12,489 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:56:12,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-22 16:56:12,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-22 16:56:12,507 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 4 states. [2020-08-22 16:56:12,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:56:12,657 INFO L93 Difference]: Finished difference Result 59 states and 76 transitions. [2020-08-22 16:56:12,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-22 16:56:12,660 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2020-08-22 16:56:12,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:56:12,672 INFO L225 Difference]: With dead ends: 59 [2020-08-22 16:56:12,672 INFO L226 Difference]: Without dead ends: 31 [2020-08-22 16:56:12,676 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-22 16:56:12,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-08-22 16:56:12,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 28. [2020-08-22 16:56:12,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-08-22 16:56:12,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 32 transitions. [2020-08-22 16:56:12,715 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 32 transitions. Word has length 20 [2020-08-22 16:56:12,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:56:12,715 INFO L479 AbstractCegarLoop]: Abstraction has 28 states and 32 transitions. [2020-08-22 16:56:12,715 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-22 16:56:12,716 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2020-08-22 16:56:12,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-08-22 16:56:12,717 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:56:12,717 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:56:12,717 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 16:56:12,718 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:56:12,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:56:12,718 INFO L82 PathProgramCache]: Analyzing trace with hash 1453375688, now seen corresponding path program 1 times [2020-08-22 16:56:12,719 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:56:12,719 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521423451] [2020-08-22 16:56:12,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:56:12,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:56:12,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:56:12,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:56:12,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 16:56:12,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:56:12,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:56:12,922 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521423451] [2020-08-22 16:56:12,923 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 16:56:12,923 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-22 16:56:12,923 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408890351] [2020-08-22 16:56:12,925 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-22 16:56:12,925 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:56:12,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-22 16:56:12,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-08-22 16:56:12,926 INFO L87 Difference]: Start difference. First operand 28 states and 32 transitions. Second operand 6 states. [2020-08-22 16:56:13,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:56:13,122 INFO L93 Difference]: Finished difference Result 48 states and 56 transitions. [2020-08-22 16:56:13,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-08-22 16:56:13,123 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 20 [2020-08-22 16:56:13,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:56:13,124 INFO L225 Difference]: With dead ends: 48 [2020-08-22 16:56:13,125 INFO L226 Difference]: Without dead ends: 30 [2020-08-22 16:56:13,146 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-08-22 16:56:13,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-08-22 16:56:13,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 29. [2020-08-22 16:56:13,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-08-22 16:56:13,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 33 transitions. [2020-08-22 16:56:13,155 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 33 transitions. Word has length 20 [2020-08-22 16:56:13,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:56:13,156 INFO L479 AbstractCegarLoop]: Abstraction has 29 states and 33 transitions. [2020-08-22 16:56:13,156 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-22 16:56:13,156 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 33 transitions. [2020-08-22 16:56:13,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-08-22 16:56:13,157 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:56:13,157 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:56:13,157 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-22 16:56:13,158 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:56:13,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:56:13,158 INFO L82 PathProgramCache]: Analyzing trace with hash -169907062, now seen corresponding path program 1 times [2020-08-22 16:56:13,158 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:56:13,159 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116532160] [2020-08-22 16:56:13,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:56:13,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:56:13,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:56:13,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:56:13,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 16:56:13,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:56:13,407 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:56:13,408 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116532160] [2020-08-22 16:56:13,408 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1192518585] [2020-08-22 16:56:13,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:56:13,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:56:13,502 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 2 conjunts are in the unsatisfiable core [2020-08-22 16:56:13,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-08-22 16:56:13,574 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-22 16:56:13,575 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-08-22 16:56:13,575 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2020-08-22 16:56:13,575 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128884585] [2020-08-22 16:56:13,576 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-22 16:56:13,576 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:56:13,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-22 16:56:13,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-22 16:56:13,577 INFO L87 Difference]: Start difference. First operand 29 states and 33 transitions. Second operand 3 states. [2020-08-22 16:56:13,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:56:13,607 INFO L93 Difference]: Finished difference Result 49 states and 58 transitions. [2020-08-22 16:56:13,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-22 16:56:13,608 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-08-22 16:56:13,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:56:13,610 INFO L225 Difference]: With dead ends: 49 [2020-08-22 16:56:13,611 INFO L226 Difference]: Without dead ends: 37 [2020-08-22 16:56:13,612 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-22 16:56:13,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-08-22 16:56:13,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 30. [2020-08-22 16:56:13,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-08-22 16:56:13,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 34 transitions. [2020-08-22 16:56:13,623 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 34 transitions. Word has length 22 [2020-08-22 16:56:13,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:56:13,624 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 34 transitions. [2020-08-22 16:56:13,624 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-22 16:56:13,624 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2020-08-22 16:56:13,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-08-22 16:56:13,625 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:56:13,625 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:56:13,838 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-08-22 16:56:13,838 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:56:13,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:56:13,839 INFO L82 PathProgramCache]: Analyzing trace with hash -203072550, now seen corresponding path program 1 times [2020-08-22 16:56:13,840 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:56:13,840 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303614125] [2020-08-22 16:56:13,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:56:13,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:56:13,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:56:13,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:56:13,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 16:56:13,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:56:13,918 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-22 16:56:13,919 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303614125] [2020-08-22 16:56:13,919 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1104576604] [2020-08-22 16:56:13,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:56:13,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:56:13,973 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 2 conjunts are in the unsatisfiable core [2020-08-22 16:56:13,977 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-08-22 16:56:13,997 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-22 16:56:13,998 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-08-22 16:56:13,998 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2020-08-22 16:56:13,998 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055233773] [2020-08-22 16:56:13,999 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-22 16:56:13,999 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:56:13,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-22 16:56:14,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-08-22 16:56:14,000 INFO L87 Difference]: Start difference. First operand 30 states and 34 transitions. Second operand 3 states. [2020-08-22 16:56:14,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:56:14,015 INFO L93 Difference]: Finished difference Result 48 states and 56 transitions. [2020-08-22 16:56:14,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-22 16:56:14,016 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2020-08-22 16:56:14,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:56:14,017 INFO L225 Difference]: With dead ends: 48 [2020-08-22 16:56:14,017 INFO L226 Difference]: Without dead ends: 30 [2020-08-22 16:56:14,018 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-08-22 16:56:14,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-08-22 16:56:14,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-08-22 16:56:14,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-08-22 16:56:14,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 33 transitions. [2020-08-22 16:56:14,024 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 33 transitions. Word has length 25 [2020-08-22 16:56:14,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:56:14,025 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 33 transitions. [2020-08-22 16:56:14,025 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-22 16:56:14,025 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions. [2020-08-22 16:56:14,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-08-22 16:56:14,026 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:56:14,026 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:56:14,240 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:56:14,240 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:56:14,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:56:14,241 INFO L82 PathProgramCache]: Analyzing trace with hash -596099560, now seen corresponding path program 1 times [2020-08-22 16:56:14,241 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:56:14,241 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748569480] [2020-08-22 16:56:14,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:56:14,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:56:14,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:56:14,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:56:14,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 16:56:14,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:56:14,341 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-22 16:56:14,342 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748569480] [2020-08-22 16:56:14,343 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1214098495] [2020-08-22 16:56:14,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:56:14,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:56:14,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 5 conjunts are in the unsatisfiable core [2020-08-22 16:56:14,402 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-08-22 16:56:14,455 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-22 16:56:14,455 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-08-22 16:56:14,455 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2020-08-22 16:56:14,456 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63749058] [2020-08-22 16:56:14,456 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-22 16:56:14,457 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:56:14,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-22 16:56:14,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-22 16:56:14,457 INFO L87 Difference]: Start difference. First operand 30 states and 33 transitions. Second operand 9 states. [2020-08-22 16:56:14,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:56:14,661 INFO L93 Difference]: Finished difference Result 67 states and 78 transitions. [2020-08-22 16:56:14,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-22 16:56:14,662 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2020-08-22 16:56:14,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:56:14,663 INFO L225 Difference]: With dead ends: 67 [2020-08-22 16:56:14,663 INFO L226 Difference]: Without dead ends: 48 [2020-08-22 16:56:14,664 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2020-08-22 16:56:14,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2020-08-22 16:56:14,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 35. [2020-08-22 16:56:14,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-08-22 16:56:14,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 38 transitions. [2020-08-22 16:56:14,672 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 38 transitions. Word has length 25 [2020-08-22 16:56:14,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:56:14,672 INFO L479 AbstractCegarLoop]: Abstraction has 35 states and 38 transitions. [2020-08-22 16:56:14,672 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-22 16:56:14,672 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 38 transitions. [2020-08-22 16:56:14,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-08-22 16:56:14,673 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:56:14,674 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:56:14,887 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:56:14,888 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:56:14,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:56:14,888 INFO L82 PathProgramCache]: Analyzing trace with hash 1096950668, now seen corresponding path program 2 times [2020-08-22 16:56:14,888 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:56:14,889 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730143496] [2020-08-22 16:56:14,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:56:14,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:56:14,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:56:14,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:56:14,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 16:56:14,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:56:15,107 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-08-22 16:56:15,108 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730143496] [2020-08-22 16:56:15,108 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1736138189] [2020-08-22 16:56:15,108 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:56:15,162 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-08-22 16:56:15,162 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-08-22 16:56:15,163 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 4 conjunts are in the unsatisfiable core [2020-08-22 16:56:15,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-08-22 16:56:15,223 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-08-22 16:56:15,224 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-08-22 16:56:15,224 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2020-08-22 16:56:15,224 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73909165] [2020-08-22 16:56:15,225 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-22 16:56:15,225 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:56:15,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-22 16:56:15,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-08-22 16:56:15,226 INFO L87 Difference]: Start difference. First operand 35 states and 38 transitions. Second operand 11 states. [2020-08-22 16:56:15,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:56:15,519 INFO L93 Difference]: Finished difference Result 80 states and 93 transitions. [2020-08-22 16:56:15,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-22 16:56:15,519 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 30 [2020-08-22 16:56:15,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:56:15,521 INFO L225 Difference]: With dead ends: 80 [2020-08-22 16:56:15,521 INFO L226 Difference]: Without dead ends: 58 [2020-08-22 16:56:15,522 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2020-08-22 16:56:15,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2020-08-22 16:56:15,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 40. [2020-08-22 16:56:15,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2020-08-22 16:56:15,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 43 transitions. [2020-08-22 16:56:15,529 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 43 transitions. Word has length 30 [2020-08-22 16:56:15,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:56:15,529 INFO L479 AbstractCegarLoop]: Abstraction has 40 states and 43 transitions. [2020-08-22 16:56:15,529 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-22 16:56:15,530 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 43 transitions. [2020-08-22 16:56:15,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-08-22 16:56:15,531 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:56:15,531 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:56:15,731 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:56:15,732 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:56:15,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:56:15,732 INFO L82 PathProgramCache]: Analyzing trace with hash 36245332, now seen corresponding path program 3 times [2020-08-22 16:56:15,733 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:56:15,733 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347813200] [2020-08-22 16:56:15,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:56:15,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:56:15,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:56:15,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:56:15,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 16:56:15,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:56:15,918 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-08-22 16:56:15,918 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347813200] [2020-08-22 16:56:15,919 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1456307267] [2020-08-22 16:56:15,919 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:56:15,962 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2020-08-22 16:56:15,963 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-08-22 16:56:15,964 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 24 conjunts are in the unsatisfiable core [2020-08-22 16:56:15,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-08-22 16:56:16,045 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2020-08-22 16:56:16,046 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-08-22 16:56:16,056 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-08-22 16:56:16,057 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-08-22 16:56:16,058 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:26, output treesize:19 [2020-08-22 16:56:16,331 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-08-22 16:56:16,332 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 24 [2020-08-22 16:56:16,335 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-08-22 16:56:16,338 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2020-08-22 16:56:16,350 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-08-22 16:56:16,353 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-08-22 16:56:16,358 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-08-22 16:56:16,359 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:33, output treesize:15 [2020-08-22 16:56:16,451 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-08-22 16:56:16,451 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-08-22 16:56:16,451 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10] total 17 [2020-08-22 16:56:16,452 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192143960] [2020-08-22 16:56:16,452 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-08-22 16:56:16,453 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:56:16,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-08-22 16:56:16,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2020-08-22 16:56:16,453 INFO L87 Difference]: Start difference. First operand 40 states and 43 transitions. Second operand 17 states. [2020-08-22 16:56:17,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:56:17,363 INFO L93 Difference]: Finished difference Result 56 states and 61 transitions. [2020-08-22 16:56:17,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-08-22 16:56:17,365 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 35 [2020-08-22 16:56:17,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:56:17,365 INFO L225 Difference]: With dead ends: 56 [2020-08-22 16:56:17,365 INFO L226 Difference]: Without dead ends: 0 [2020-08-22 16:56:17,367 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=181, Invalid=875, Unknown=0, NotChecked=0, Total=1056 [2020-08-22 16:56:17,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-22 16:56:17,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-22 16:56:17,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-22 16:56:17,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-22 16:56:17,369 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 35 [2020-08-22 16:56:17,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:56:17,369 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-22 16:56:17,369 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-08-22 16:56:17,369 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-22 16:56:17,373 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-22 16:56:17,577 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2020-08-22 16:56:17,581 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-22 16:56:17,781 INFO L264 CegarLoopResult]: At program point initENTRY(lines 9 16) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-08-22 16:56:17,781 INFO L268 CegarLoopResult]: For program point initEXIT(lines 9 16) no Hoare annotation was computed. [2020-08-22 16:56:17,781 INFO L268 CegarLoopResult]: For program point L12-2(lines 12 15) no Hoare annotation was computed. [2020-08-22 16:56:17,782 INFO L264 CegarLoopResult]: At program point L12-3(lines 12 15) the Hoare annotation is: (let ((.cse0 (= init_~a.offset |init_#in~a.offset|)) (.cse1 (= init_~a.base |init_#in~a.base|)) (.cse2 (= |init_#in~size| init_~size))) (or (and .cse0 (exists ((v_init_~i~0_8 Int)) (and (not (= (select (select |#memory_$Pointer$.base| |init_#in~a.base|) (+ |init_#in~a.offset| (* v_init_~i~0_8 4))) 0)) (< v_init_~i~0_8 init_~size) (<= init_~i~0 (+ v_init_~i~0_8 1)))) .cse1 .cse2) (and .cse0 (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) .cse1 (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|) (<= init_~i~0 0) .cse2))) [2020-08-22 16:56:17,782 INFO L268 CegarLoopResult]: For program point L12-4(lines 9 16) no Hoare annotation was computed. [2020-08-22 16:56:17,782 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-22 16:56:17,782 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(#NULL.base)| |#NULL.base|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2020-08-22 16:56:17,782 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-22 16:56:17,783 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-22 16:56:17,783 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-08-22 16:56:17,783 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-22 16:56:17,783 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-22 16:56:17,783 INFO L268 CegarLoopResult]: For program point L33(lines 33 34) no Hoare annotation was computed. [2020-08-22 16:56:17,783 INFO L268 CegarLoopResult]: For program point L31-2(lines 31 35) no Hoare annotation was computed. [2020-08-22 16:56:17,783 INFO L264 CegarLoopResult]: At program point L31-3(lines 31 35) the Hoare annotation is: (<= 1 main_~flag~0) [2020-08-22 16:56:17,784 INFO L268 CegarLoopResult]: For program point L31-4(lines 31 35) no Hoare annotation was computed. [2020-08-22 16:56:17,784 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 17 37) no Hoare annotation was computed. [2020-08-22 16:56:17,784 INFO L271 CegarLoopResult]: At program point L23(line 23) the Hoare annotation is: true [2020-08-22 16:56:17,784 INFO L268 CegarLoopResult]: For program point L23-1(line 23) no Hoare annotation was computed. [2020-08-22 16:56:17,784 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 17 37) no Hoare annotation was computed. [2020-08-22 16:56:17,784 INFO L264 CegarLoopResult]: At program point L34(line 34) the Hoare annotation is: false [2020-08-22 16:56:17,784 INFO L268 CegarLoopResult]: For program point L34-1(line 34) no Hoare annotation was computed. [2020-08-22 16:56:17,785 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 17 37) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-08-22 16:56:17,785 INFO L268 CegarLoopResult]: For program point L26(lines 26 29) no Hoare annotation was computed. [2020-08-22 16:56:17,785 INFO L268 CegarLoopResult]: For program point L24-2(lines 24 30) no Hoare annotation was computed. [2020-08-22 16:56:17,785 INFO L264 CegarLoopResult]: At program point L24-3(lines 24 30) the Hoare annotation is: (or (<= 1 main_~flag~0) (and (exists ((v_init_~i~0_8 Int)) (and (< v_init_~i~0_8 100000) (not (= (select (select |#memory_$Pointer$.base| |main_~#a~0.base|) (+ (* v_init_~i~0_8 4) |main_~#a~0.offset|)) 0)) (<= 99999 v_init_~i~0_8))) (<= main_~i~1 99999))) [2020-08-22 16:56:17,785 INFO L268 CegarLoopResult]: For program point L24-4(lines 24 30) no Hoare annotation was computed. [2020-08-22 16:56:17,786 INFO L268 CegarLoopResult]: For program point L4-3(line 4) no Hoare annotation was computed. [2020-08-22 16:56:17,786 INFO L271 CegarLoopResult]: At program point __VERIFIER_assertENTRY(line 4) the Hoare annotation is: true [2020-08-22 16:56:17,786 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertEXIT(line 4) no Hoare annotation was computed. [2020-08-22 16:56:17,786 INFO L268 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-08-22 16:56:17,786 INFO L268 CegarLoopResult]: For program point L4-1(line 4) no Hoare annotation was computed. [2020-08-22 16:56:17,786 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-08-22 16:56:17,807 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_8,QUANTIFIED] [2020-08-22 16:56:17,809 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-22 16:56:17,810 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_8,QUANTIFIED] [2020-08-22 16:56:17,810 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_8,QUANTIFIED] [2020-08-22 16:56:17,811 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-22 16:56:17,812 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_8,QUANTIFIED] [2020-08-22 16:56:17,812 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-22 16:56:17,812 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_8,QUANTIFIED] [2020-08-22 16:56:17,813 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_8,QUANTIFIED] [2020-08-22 16:56:17,813 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-22 16:56:17,816 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-22 16:56:17,816 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_8,QUANTIFIED] [2020-08-22 16:56:17,816 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_8,QUANTIFIED] [2020-08-22 16:56:17,816 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_8,QUANTIFIED] [2020-08-22 16:56:17,817 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-22 16:56:17,817 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-22 16:56:17,817 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-22 16:56:17,818 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-22 16:56:17,818 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-22 16:56:17,818 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-22 16:56:17,818 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-22 16:56:17,819 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-08-22 16:56:17,819 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-08-22 16:56:17,819 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-22 16:56:17,820 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-22 16:56:17,821 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-22 16:56:17,821 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_8,QUANTIFIED] [2020-08-22 16:56:17,821 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_8,QUANTIFIED] [2020-08-22 16:56:17,822 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_8,QUANTIFIED] [2020-08-22 16:56:17,822 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-22 16:56:17,822 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-22 16:56:17,822 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-22 16:56:17,823 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-22 16:56:17,823 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-22 16:56:17,823 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-22 16:56:17,824 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-22 16:56:17,824 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-08-22 16:56:17,824 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-08-22 16:56:17,824 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-22 16:56:17,824 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-22 16:56:17,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 04:56:17 BoogieIcfgContainer [2020-08-22 16:56:17,827 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 16:56:17,830 INFO L168 Benchmark]: Toolchain (without parser) took 6505.10 ms. Allocated memory was 141.0 MB in the beginning and 274.2 MB in the end (delta: 133.2 MB). Free memory was 104.2 MB in the beginning and 192.3 MB in the end (delta: -88.1 MB). Peak memory consumption was 45.1 MB. Max. memory is 7.1 GB. [2020-08-22 16:56:17,831 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 141.0 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-22 16:56:17,832 INFO L168 Benchmark]: CACSL2BoogieTranslator took 317.57 ms. Allocated memory is still 141.0 MB. Free memory was 103.8 MB in the beginning and 93.2 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2020-08-22 16:56:17,833 INFO L168 Benchmark]: Boogie Preprocessor took 119.12 ms. Allocated memory was 141.0 MB in the beginning and 203.9 MB in the end (delta: 62.9 MB). Free memory was 93.2 MB in the beginning and 181.2 MB in the end (delta: -88.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 7.1 GB. [2020-08-22 16:56:17,834 INFO L168 Benchmark]: RCFGBuilder took 332.27 ms. Allocated memory is still 203.9 MB. Free memory was 181.2 MB in the beginning and 164.3 MB in the end (delta: 16.9 MB). Peak memory consumption was 16.9 MB. Max. memory is 7.1 GB. [2020-08-22 16:56:17,835 INFO L168 Benchmark]: TraceAbstraction took 5730.29 ms. Allocated memory was 203.9 MB in the beginning and 274.2 MB in the end (delta: 70.3 MB). Free memory was 163.6 MB in the beginning and 192.3 MB in the end (delta: -28.7 MB). Peak memory consumption was 41.6 MB. Max. memory is 7.1 GB. [2020-08-22 16:56:17,839 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 141.0 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 317.57 ms. Allocated memory is still 141.0 MB. Free memory was 103.8 MB in the beginning and 93.2 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 119.12 ms. Allocated memory was 141.0 MB in the beginning and 203.9 MB in the end (delta: 62.9 MB). Free memory was 93.2 MB in the beginning and 181.2 MB in the end (delta: -88.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 332.27 ms. Allocated memory is still 203.9 MB. Free memory was 181.2 MB in the beginning and 164.3 MB in the end (delta: 16.9 MB). Peak memory consumption was 16.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 5730.29 ms. Allocated memory was 203.9 MB in the beginning and 274.2 MB in the end (delta: 70.3 MB). Free memory was 163.6 MB in the beginning and 192.3 MB in the end (delta: -28.7 MB). Peak memory consumption was 41.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - 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: 4]: 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: 31]: Loop Invariant Derived loop invariant: 1 <= flag - InvariantResult [Line: 24]: Loop Invariant [2020-08-22 16:56:17,851 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_8,QUANTIFIED] [2020-08-22 16:56:17,851 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-22 16:56:17,851 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_8,QUANTIFIED] [2020-08-22 16:56:17,852 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_8,QUANTIFIED] [2020-08-22 16:56:17,852 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-22 16:56:17,852 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_8,QUANTIFIED] [2020-08-22 16:56:17,852 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-22 16:56:17,853 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_8,QUANTIFIED] [2020-08-22 16:56:17,853 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_8,QUANTIFIED] [2020-08-22 16:56:17,853 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: 1 <= flag || ((\exists v_init_~i~0_8 : int :: (v_init_~i~0_8 < 100000 && !(#memory_$Pointer$[a][v_init_~i~0_8 * 4 + a] == 0)) && 99999 <= v_init_~i~0_8) && i <= 99999) - InvariantResult [Line: 12]: Loop Invariant [2020-08-22 16:56:17,854 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-22 16:56:17,854 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_8,QUANTIFIED] [2020-08-22 16:56:17,854 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_8,QUANTIFIED] [2020-08-22 16:56:17,854 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_8,QUANTIFIED] [2020-08-22 16:56:17,855 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-22 16:56:17,855 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-22 16:56:17,855 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-22 16:56:17,855 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-22 16:56:17,855 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-22 16:56:17,856 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-22 16:56:17,856 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-22 16:56:17,856 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-08-22 16:56:17,856 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-08-22 16:56:17,857 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-22 16:56:17,857 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-22 16:56:17,857 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-22 16:56:17,858 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_8,QUANTIFIED] [2020-08-22 16:56:17,858 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_8,QUANTIFIED] [2020-08-22 16:56:17,858 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_8,QUANTIFIED] [2020-08-22 16:56:17,859 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-22 16:56:17,859 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-22 16:56:17,859 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-22 16:56:17,860 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-22 16:56:17,860 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-22 16:56:17,860 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-22 16:56:17,860 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-22 16:56:17,860 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-08-22 16:56:17,861 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-08-22 16:56:17,861 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-22 16:56:17,861 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((a == a && (\exists v_init_~i~0_8 : int :: (!(#memory_$Pointer$[a][a + v_init_~i~0_8 * 4] == 0) && v_init_~i~0_8 < size) && i <= v_init_~i~0_8 + 1)) && a == a) && \old(size) == size) || (((((((a == a && #memory_$Pointer$ == \old(#memory_$Pointer$)) && \old(unknown-#length-unknown) == unknown-#length-unknown) && a == a) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && \old(\valid) == \valid) && i <= 0) && \old(size) == size) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 33 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.4s, OverallIterations: 7, TraceHistogramMax: 3, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 179 SDtfs, 128 SDslu, 364 SDs, 0 SdLazy, 473 SolverSat, 72 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 218 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 190 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=40occurred in iteration=6, 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, 7 MinimizatonAttempts, 42 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 17 PreInvPairs, 27 NumberOfFragments, 130 HoareAnnotationTreeSize, 17 FomulaSimplifications, 212 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 60 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 314 NumberOfCodeBlocks, 309 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 302 ConstructedInterpolants, 11 QuantifiedInterpolants, 30763 SizeOfPredicates, 14 NumberOfNonLiveVariables, 586 ConjunctsInSsa, 37 ConjunctsInUnsatCore, 12 InterpolantComputations, 4 PerfectInterpolantSequences, 36/70 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...