/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/loops/veris.c_NetBSD-libc_loop.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-06 21:25:25,751 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 21:25:25,754 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 21:25:25,772 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-06 21:25:25,772 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-06 21:25:25,774 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-06 21:25:25,776 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-06 21:25:25,786 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-06 21:25:25,790 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-06 21:25:25,793 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-06 21:25:25,795 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-06 21:25:25,797 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-06 21:25:25,798 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-06 21:25:25,799 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-06 21:25:25,802 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-06 21:25:25,804 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-06 21:25:25,806 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-06 21:25:25,807 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-06 21:25:25,809 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-06 21:25:25,814 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-06 21:25:25,818 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-06 21:25:25,821 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-06 21:25:25,823 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-06 21:25:25,824 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-06 21:25:25,826 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-06 21:25:25,832 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-06 21:25:25,832 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-06 21:25:25,833 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-06 21:25:25,834 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-06 21:25:25,835 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-06 21:25:25,836 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-06 21:25:25,836 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-06 21:25:25,837 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-06 21:25:25,837 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 21:25:25,838 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 21:25:25,839 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 21:25:25,840 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-06 21:25:25,872 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 21:25:25,878 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 21:25:25,879 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 21:25:25,879 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 21:25:25,880 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 21:25:25,880 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 21:25:25,880 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 21:25:25,880 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 21:25:25,880 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 21:25:25,881 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 21:25:25,881 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 21:25:25,881 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 21:25:25,881 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 21:25:25,881 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 21:25:25,881 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 21:25:25,882 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 21:25:25,882 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 21:25:25,882 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 21:25:25,882 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 21:25:25,883 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 21:25:25,883 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 21:25:25,883 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 21:25:25,883 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 21:25:25,883 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 21:25:25,884 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 21:25:25,884 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 21:25:25,884 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 21:25:25,884 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 21:25:25,884 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-06 21:25:26,184 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 21:25:26,199 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 21:25:26,203 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 21:25:26,205 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 21:25:26,205 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 21:25:26,206 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/veris.c_NetBSD-libc_loop.i [2019-11-06 21:25:26,278 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a5405af0/94fa22eba79c498fa380048fad720442/FLAG423cf9485 [2019-11-06 21:25:26,749 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 21:25:26,750 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/veris.c_NetBSD-libc_loop.i [2019-11-06 21:25:26,757 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a5405af0/94fa22eba79c498fa380048fad720442/FLAG423cf9485 [2019-11-06 21:25:27,158 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a5405af0/94fa22eba79c498fa380048fad720442 [2019-11-06 21:25:27,166 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 21:25:27,168 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 21:25:27,172 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 21:25:27,172 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 21:25:27,176 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 21:25:27,177 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:25:27" (1/1) ... [2019-11-06 21:25:27,180 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3813a94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:25:27, skipping insertion in model container [2019-11-06 21:25:27,180 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:25:27" (1/1) ... [2019-11-06 21:25:27,189 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 21:25:27,208 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 21:25:27,431 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:25:27,444 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 21:25:27,463 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:25:27,476 INFO L192 MainTranslator]: Completed translation [2019-11-06 21:25:27,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:25:27 WrapperNode [2019-11-06 21:25:27,477 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 21:25:27,478 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 21:25:27,478 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 21:25:27,478 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 21:25:27,572 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:25:27" (1/1) ... [2019-11-06 21:25:27,572 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:25:27" (1/1) ... [2019-11-06 21:25:27,580 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:25:27" (1/1) ... [2019-11-06 21:25:27,581 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:25:27" (1/1) ... [2019-11-06 21:25:27,598 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:25:27" (1/1) ... [2019-11-06 21:25:27,604 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:25:27" (1/1) ... [2019-11-06 21:25:27,607 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:25:27" (1/1) ... [2019-11-06 21:25:27,611 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 21:25:27,612 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 21:25:27,612 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 21:25:27,612 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 21:25:27,613 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:25:27" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 21:25:27,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 21:25:27,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 21:25:27,669 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-11-06 21:25:27,670 INFO L138 BoogieDeclarations]: Found implementation of procedure glob2 [2019-11-06 21:25:27,670 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 21:25:27,670 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 21:25:27,670 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-11-06 21:25:27,670 INFO L130 BoogieDeclarations]: Found specification of procedure glob2 [2019-11-06 21:25:27,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-06 21:25:27,671 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 21:25:27,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-06 21:25:27,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-06 21:25:27,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 21:25:27,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 21:25:27,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-06 21:25:27,940 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 21:25:27,940 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-06 21:25:27,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:25:27 BoogieIcfgContainer [2019-11-06 21:25:27,942 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 21:25:27,943 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 21:25:27,943 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 21:25:27,955 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 21:25:27,956 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:25:27" (1/3) ... [2019-11-06 21:25:27,957 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f3cc533 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:25:27, skipping insertion in model container [2019-11-06 21:25:27,957 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:25:27" (2/3) ... [2019-11-06 21:25:27,957 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f3cc533 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:25:27, skipping insertion in model container [2019-11-06 21:25:27,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:25:27" (3/3) ... [2019-11-06 21:25:27,959 INFO L109 eAbstractionObserver]: Analyzing ICFG veris.c_NetBSD-libc_loop.i [2019-11-06 21:25:27,969 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 21:25:27,976 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 21:25:27,986 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 21:25:28,008 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 21:25:28,008 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 21:25:28,008 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 21:25:28,008 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 21:25:28,009 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 21:25:28,009 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 21:25:28,009 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 21:25:28,009 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 21:25:28,028 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states. [2019-11-06 21:25:28,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-06 21:25:28,036 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:25:28,037 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 21:25:28,041 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:25:28,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:25:28,046 INFO L82 PathProgramCache]: Analyzing trace with hash -1626450083, now seen corresponding path program 1 times [2019-11-06 21:25:28,052 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:25:28,053 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203489847] [2019-11-06 21:25:28,053 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:25:28,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:25:28,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:25:28,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 21:25:28,406 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203489847] [2019-11-06 21:25:28,407 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:25:28,407 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-11-06 21:25:28,408 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214200560] [2019-11-06 21:25:28,413 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-06 21:25:28,413 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:25:28,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-06 21:25:28,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-11-06 21:25:28,428 INFO L87 Difference]: Start difference. First operand 26 states. Second operand 9 states. [2019-11-06 21:25:28,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 21:25:28,798 INFO L93 Difference]: Finished difference Result 42 states and 47 transitions. [2019-11-06 21:25:28,799 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-06 21:25:28,800 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 13 [2019-11-06 21:25:28,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 21:25:28,809 INFO L225 Difference]: With dead ends: 42 [2019-11-06 21:25:28,810 INFO L226 Difference]: Without dead ends: 0 [2019-11-06 21:25:28,818 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2019-11-06 21:25:28,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-06 21:25:28,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-06 21:25:28,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-06 21:25:28,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-06 21:25:28,849 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2019-11-06 21:25:28,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 21:25:28,850 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-06 21:25:28,851 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-06 21:25:28,851 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-06 21:25:28,852 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-06 21:25:28,857 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-06 21:25:29,096 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-11-06 21:25:29,096 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~tmp~0.base |old(~tmp~0.base)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= ~tmp~0.offset |old(~tmp~0.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2019-11-06 21:25:29,097 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-11-06 21:25:29,097 INFO L446 ceAbstractionStarter]: At program point glob2ENTRY(lines 14 25) the Hoare annotation is: true [2019-11-06 21:25:29,097 INFO L443 ceAbstractionStarter]: For program point glob2EXIT(lines 14 25) no Hoare annotation was computed. [2019-11-06 21:25:29,097 INFO L439 ceAbstractionStarter]: At program point L20(line 20) the Hoare annotation is: (or (not (= ~tmp~0.base |glob2_#in~pathbuf.base|)) (and (<= glob2_~p~0.offset ~tmp~0.offset) (<= glob2_~pathlim.offset ~tmp~0.offset) (= ~tmp~0.base glob2_~p~0.base)) (not (<= |glob2_#in~pathlim.offset| ~tmp~0.offset))) [2019-11-06 21:25:29,097 INFO L443 ceAbstractionStarter]: For program point L20-1(line 20) no Hoare annotation was computed. [2019-11-06 21:25:29,098 INFO L443 ceAbstractionStarter]: For program point L18-2(lines 18 22) no Hoare annotation was computed. [2019-11-06 21:25:29,098 INFO L439 ceAbstractionStarter]: At program point L18-3(lines 18 22) the Hoare annotation is: (or (and (<= glob2_~pathlim.offset ~tmp~0.offset) (= ~tmp~0.base glob2_~p~0.base)) (not (= ~tmp~0.base |glob2_#in~pathbuf.base|)) (not (<= |glob2_#in~pathlim.offset| ~tmp~0.offset))) [2019-11-06 21:25:29,099 INFO L443 ceAbstractionStarter]: For program point L18-4(lines 18 22) no Hoare annotation was computed. [2019-11-06 21:25:29,100 INFO L443 ceAbstractionStarter]: For program point glob2FINAL(lines 14 25) no Hoare annotation was computed. [2019-11-06 21:25:29,100 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-06 21:25:29,100 INFO L446 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2019-11-06 21:25:29,100 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-06 21:25:29,100 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-06 21:25:29,100 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 27 38) the Hoare annotation is: (and (= ~tmp~0.base |old(~tmp~0.base)|) (= |#valid| |old(#valid)|) (= ~tmp~0.offset |old(~tmp~0.offset)|)) [2019-11-06 21:25:29,101 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 27 38) no Hoare annotation was computed. [2019-11-06 21:25:29,101 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 27 38) no Hoare annotation was computed. [2019-11-06 21:25:29,101 INFO L439 ceAbstractionStarter]: At program point L35(line 35) the Hoare annotation is: (and (= ~tmp~0.base |main_~#pathbuf~0.base|) (<= main_~bound~0.offset ~tmp~0.offset)) [2019-11-06 21:25:29,101 INFO L443 ceAbstractionStarter]: For program point L35-1(line 35) no Hoare annotation was computed. [2019-11-06 21:25:29,101 INFO L446 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 3 8) the Hoare annotation is: true [2019-11-06 21:25:29,101 INFO L443 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 3 8) no Hoare annotation was computed. [2019-11-06 21:25:29,103 INFO L443 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2019-11-06 21:25:29,103 INFO L443 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2019-11-06 21:25:29,103 INFO L443 ceAbstractionStarter]: For program point L4(lines 4 6) no Hoare annotation was computed. [2019-11-06 21:25:29,104 INFO L443 ceAbstractionStarter]: For program point L4-2(lines 3 8) no Hoare annotation was computed. [2019-11-06 21:25:29,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 09:25:29 BoogieIcfgContainer [2019-11-06 21:25:29,124 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-06 21:25:29,128 INFO L168 Benchmark]: Toolchain (without parser) took 1958.75 ms. Allocated memory was 144.2 MB in the beginning and 232.8 MB in the end (delta: 88.6 MB). Free memory was 101.2 MB in the beginning and 200.6 MB in the end (delta: -99.4 MB). Peak memory consumption was 79.1 MB. Max. memory is 7.1 GB. [2019-11-06 21:25:29,129 INFO L168 Benchmark]: CDTParser took 0.47 ms. Allocated memory is still 144.2 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-11-06 21:25:29,131 INFO L168 Benchmark]: CACSL2BoogieTranslator took 305.74 ms. Allocated memory is still 144.2 MB. Free memory was 101.0 MB in the beginning and 91.3 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-11-06 21:25:29,134 INFO L168 Benchmark]: Boogie Preprocessor took 134.03 ms. Allocated memory was 144.2 MB in the beginning and 201.3 MB in the end (delta: 57.1 MB). Free memory was 91.3 MB in the beginning and 178.4 MB in the end (delta: -87.1 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-11-06 21:25:29,135 INFO L168 Benchmark]: RCFGBuilder took 330.17 ms. Allocated memory is still 201.3 MB. Free memory was 178.4 MB in the beginning and 164.5 MB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. [2019-11-06 21:25:29,137 INFO L168 Benchmark]: TraceAbstraction took 1181.39 ms. Allocated memory was 201.3 MB in the beginning and 232.8 MB in the end (delta: 31.5 MB). Free memory was 164.5 MB in the beginning and 200.6 MB in the end (delta: -36.1 MB). Peak memory consumption was 85.2 MB. Max. memory is 7.1 GB. [2019-11-06 21:25:29,148 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47 ms. Allocated memory is still 144.2 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 305.74 ms. Allocated memory is still 144.2 MB. Free memory was 101.0 MB in the beginning and 91.3 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 134.03 ms. Allocated memory was 144.2 MB in the beginning and 201.3 MB in the end (delta: 57.1 MB). Free memory was 91.3 MB in the beginning and 178.4 MB in the end (delta: -87.1 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 330.17 ms. Allocated memory is still 201.3 MB. Free memory was 178.4 MB in the beginning and 164.5 MB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1181.39 ms. Allocated memory was 201.3 MB in the beginning and 232.8 MB in the end (delta: 31.5 MB). Free memory was 164.5 MB in the beginning and 200.6 MB in the end (delta: -36.1 MB). Peak memory consumption was 85.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5]: 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: 18]: Loop Invariant Derived loop invariant: ((pathlim <= tmp && tmp == p) || !(tmp == pathbuf)) || !(pathlim <= tmp) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 26 locations, 1 error locations. Result: SAFE, OverallTime: 1.0s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 12 SDtfs, 26 SDslu, 49 SDs, 0 SdLazy, 87 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=26occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 10 PreInvPairs, 12 NumberOfFragments, 72 HoareAnnotationTreeSize, 10 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 101 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 684 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...