java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf -i ../../../trunk/examples/svcomp/loop-crafted/simple_vardep_true-unreach-call2_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-69f5bdd-m [2018-09-19 08:01:23,807 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-19 08:01:23,809 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-19 08:01:23,830 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-19 08:01:23,830 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-19 08:01:23,832 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-19 08:01:23,834 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-19 08:01:23,837 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-19 08:01:23,839 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-19 08:01:23,841 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-19 08:01:23,844 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-19 08:01:23,844 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-19 08:01:23,845 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-19 08:01:23,848 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-19 08:01:23,855 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-19 08:01:23,856 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-19 08:01:23,859 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-19 08:01:23,861 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-19 08:01:23,863 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-19 08:01:23,864 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-19 08:01:23,865 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-19 08:01:23,866 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-19 08:01:23,868 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-19 08:01:23,868 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-19 08:01:23,869 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-19 08:01:23,869 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-19 08:01:23,870 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-19 08:01:23,871 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-19 08:01:23,872 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-19 08:01:23,873 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-19 08:01:23,873 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-19 08:01:23,874 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-19 08:01:23,874 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-19 08:01:23,874 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-19 08:01:23,875 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-19 08:01:23,876 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-19 08:01:23,876 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf [2018-09-19 08:01:23,892 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-19 08:01:23,892 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-19 08:01:23,893 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-19 08:01:23,893 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-19 08:01:23,893 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-19 08:01:23,893 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-19 08:01:23,894 INFO L133 SettingsManager]: * Congruence Domain=false [2018-09-19 08:01:23,894 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-19 08:01:23,894 INFO L133 SettingsManager]: * Abstract domain=OctagonDomain [2018-09-19 08:01:23,895 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-19 08:01:23,895 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-19 08:01:23,895 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-09-19 08:01:23,895 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-19 08:01:23,896 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-19 08:01:23,896 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-19 08:01:23,896 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-19 08:01:23,897 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-19 08:01:23,897 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-19 08:01:23,897 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-19 08:01:23,897 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-19 08:01:23,898 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-19 08:01:23,898 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-19 08:01:23,898 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-19 08:01:23,898 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-19 08:01:23,898 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-19 08:01:23,899 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-19 08:01:23,899 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-19 08:01:23,899 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-19 08:01:23,899 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-19 08:01:23,899 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-19 08:01:23,900 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-19 08:01:23,900 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-19 08:01:23,900 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-19 08:01:23,900 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-19 08:01:23,900 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-19 08:01:23,948 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-19 08:01:23,961 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-19 08:01:23,964 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-19 08:01:23,966 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-19 08:01:23,967 INFO L276 PluginConnector]: CDTParser initialized [2018-09-19 08:01:23,967 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-crafted/simple_vardep_true-unreach-call2_true-termination.i [2018-09-19 08:01:24,312 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/326fe0c84/b99a4ff9a77145c38ae29a0c1ba7d205/FLAG1f0d014be [2018-09-19 08:01:24,496 INFO L277 CDTParser]: Found 1 translation units. [2018-09-19 08:01:24,497 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-crafted/simple_vardep_true-unreach-call2_true-termination.i [2018-09-19 08:01:24,504 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/326fe0c84/b99a4ff9a77145c38ae29a0c1ba7d205/FLAG1f0d014be [2018-09-19 08:01:24,520 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/326fe0c84/b99a4ff9a77145c38ae29a0c1ba7d205 [2018-09-19 08:01:24,530 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-19 08:01:24,533 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-19 08:01:24,534 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-19 08:01:24,534 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-19 08:01:24,543 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-19 08:01:24,544 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 08:01:24" (1/1) ... [2018-09-19 08:01:24,547 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@714817d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:01:24, skipping insertion in model container [2018-09-19 08:01:24,547 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 08:01:24" (1/1) ... [2018-09-19 08:01:24,559 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-19 08:01:24,776 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 08:01:24,798 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-19 08:01:24,806 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 08:01:24,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:01:24 WrapperNode [2018-09-19 08:01:24,822 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-19 08:01:24,823 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-19 08:01:24,823 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-19 08:01:24,823 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-19 08:01:24,834 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:01:24" (1/1) ... [2018-09-19 08:01:24,840 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:01:24" (1/1) ... [2018-09-19 08:01:24,847 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-19 08:01:24,847 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-19 08:01:24,847 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-19 08:01:24,848 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-19 08:01:24,858 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:01:24" (1/1) ... [2018-09-19 08:01:24,859 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:01:24" (1/1) ... [2018-09-19 08:01:24,859 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:01:24" (1/1) ... [2018-09-19 08:01:24,860 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:01:24" (1/1) ... [2018-09-19 08:01:24,861 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:01:24" (1/1) ... [2018-09-19 08:01:24,866 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:01:24" (1/1) ... [2018-09-19 08:01:24,867 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:01:24" (1/1) ... [2018-09-19 08:01:24,869 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-19 08:01:24,869 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-19 08:01:24,870 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-19 08:01:24,870 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-19 08:01:24,871 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:01:24" (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 [2018-09-19 08:01:24,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-19 08:01:24,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-19 08:01:24,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-19 08:01:24,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-19 08:01:24,940 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-19 08:01:24,940 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-19 08:01:24,940 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-09-19 08:01:24,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-09-19 08:01:25,190 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-19 08:01:25,191 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 08:01:25 BoogieIcfgContainer [2018-09-19 08:01:25,191 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-19 08:01:25,193 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-19 08:01:25,193 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-19 08:01:25,196 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-19 08:01:25,196 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.09 08:01:24" (1/3) ... [2018-09-19 08:01:25,197 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c627b10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 08:01:25, skipping insertion in model container [2018-09-19 08:01:25,198 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:01:24" (2/3) ... [2018-09-19 08:01:25,198 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c627b10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 08:01:25, skipping insertion in model container [2018-09-19 08:01:25,198 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 08:01:25" (3/3) ... [2018-09-19 08:01:25,200 INFO L112 eAbstractionObserver]: Analyzing ICFG simple_vardep_true-unreach-call2_true-termination.i [2018-09-19 08:01:25,210 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-19 08:01:25,219 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-19 08:01:25,275 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-19 08:01:25,276 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-19 08:01:25,276 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-19 08:01:25,276 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-19 08:01:25,276 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-19 08:01:25,276 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-19 08:01:25,276 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-19 08:01:25,277 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-19 08:01:25,277 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-19 08:01:25,295 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2018-09-19 08:01:25,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-19 08:01:25,305 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 08:01:25,306 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 08:01:25,309 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 08:01:25,317 INFO L82 PathProgramCache]: Analyzing trace with hash -569563750, now seen corresponding path program 1 times [2018-09-19 08:01:25,320 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 08:01:25,321 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 12 with the following transitions: [2018-09-19 08:01:25,323 INFO L202 CegarAbsIntRunner]: [0], [4], [8], [14], [20], [23], [25], [31], [32], [33], [35] [2018-09-19 08:01:25,375 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 08:01:25,375 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 08:01:25,440 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 08:01:25,480 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-09-19 08:01:25,481 INFO L272 AbstractInterpreter]: Visited 11 different actions 11 times. Never merged. Never widened. Never found a fixpoint. Largest state had 3 variables. [2018-09-19 08:01:25,493 INFO L443 BasicCegarLoop]: Counterexample might be feasible [2018-09-19 08:01:25,510 WARN L209 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2018-09-19 08:01:25,511 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.09 08:01:25 BoogieIcfgContainer [2018-09-19 08:01:25,511 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-19 08:01:25,512 INFO L168 Benchmark]: Toolchain (without parser) took 981.53 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 750.3 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -781.3 MB). There was no memory consumed. Max. memory is 7.1 GB. [2018-09-19 08:01:25,514 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-19 08:01:25,515 INFO L168 Benchmark]: CACSL2BoogieTranslator took 288.28 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-09-19 08:01:25,516 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.11 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-19 08:01:25,517 INFO L168 Benchmark]: Boogie Preprocessor took 21.84 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-19 08:01:25,518 INFO L168 Benchmark]: RCFGBuilder took 322.29 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 750.3 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -808.6 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. [2018-09-19 08:01:25,519 INFO L168 Benchmark]: TraceAbstraction took 318.40 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 16.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 7.1 GB. [2018-09-19 08:01:25,524 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 288.28 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 24.11 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 21.84 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 322.29 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 750.3 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -808.6 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 318.40 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 16.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 10]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L17] unsigned int i = 0; [L18] unsigned int j = 0; [L19] unsigned int k = 0; [L21] COND TRUE k < 0x0fffffff [L22] i = i + 1 [L23] j = j + 2 [L24] k = k + 3 [L25] CALL __VERIFIER_assert((k == 3*i) && (j == 2*i)) [L9] COND TRUE !(cond) [L10] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 18 locations, 1 error locations. UNKNOWN Result, 0.2s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.1s AbstIntTime, 1 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: No data available, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/simple_vardep_true-unreach-call2_true-termination.i_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-19_08-01-25-538.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/simple_vardep_true-unreach-call2_true-termination.i_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-19_08-01-25-538.csv Received shutdown request...