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_INTCON-OldIcfg.epf -i ../../../trunk/examples/svcomp/loop-lit/css2003_true-unreach-call_true-termination.c.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ddc4263 [2018-08-08 15:06:31,433 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-08-08 15:06:31,435 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-08-08 15:06:31,448 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-08-08 15:06:31,448 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-08-08 15:06:31,449 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-08-08 15:06:31,450 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-08-08 15:06:31,452 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-08-08 15:06:31,454 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-08-08 15:06:31,455 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-08-08 15:06:31,455 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-08-08 15:06:31,456 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-08-08 15:06:31,457 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-08-08 15:06:31,458 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-08-08 15:06:31,459 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-08-08 15:06:31,460 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-08-08 15:06:31,461 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-08-08 15:06:31,462 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-08-08 15:06:31,468 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-08-08 15:06:31,473 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-08-08 15:06:31,474 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-08-08 15:06:31,475 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-08-08 15:06:31,477 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-08-08 15:06:31,477 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-08-08 15:06:31,477 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-08-08 15:06:31,478 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-08-08 15:06:31,479 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-08-08 15:06:31,480 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-08-08 15:06:31,480 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-08-08 15:06:31,481 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-08-08 15:06:31,481 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-08-08 15:06:31,482 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-08-08 15:06:31,482 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-08-08 15:06:31,483 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-08-08 15:06:31,483 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-08-08 15:06:31,484 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-08-08 15:06:31,484 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_INTCON-OldIcfg.epf [2018-08-08 15:06:31,505 INFO L110 SettingsManager]: Loading preferences was successful [2018-08-08 15:06:31,506 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-08-08 15:06:31,507 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-08-08 15:06:31,507 INFO L133 SettingsManager]: * User list type=DISABLED [2018-08-08 15:06:31,507 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-08-08 15:06:31,507 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-08-08 15:06:31,507 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-08-08 15:06:31,508 INFO L133 SettingsManager]: * Octagon Domain=false [2018-08-08 15:06:31,508 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-08-08 15:06:31,508 INFO L133 SettingsManager]: * Log string format=TERM [2018-08-08 15:06:31,508 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-08-08 15:06:31,509 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-08-08 15:06:31,509 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-08-08 15:06:31,509 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-08-08 15:06:31,510 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-08-08 15:06:31,510 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-08-08 15:06:31,510 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-08-08 15:06:31,510 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-08-08 15:06:31,511 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-08-08 15:06:31,511 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-08-08 15:06:31,511 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-08-08 15:06:31,511 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-08-08 15:06:31,511 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-08-08 15:06:31,512 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-08-08 15:06:31,512 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-08-08 15:06:31,512 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-08-08 15:06:31,512 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-08-08 15:06:31,512 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-08-08 15:06:31,513 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-08-08 15:06:31,513 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-08-08 15:06:31,513 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-08-08 15:06:31,513 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-08-08 15:06:31,513 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-08-08 15:06:31,572 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-08-08 15:06:31,588 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-08-08 15:06:31,596 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-08-08 15:06:31,598 INFO L271 PluginConnector]: Initializing CDTParser... [2018-08-08 15:06:31,599 INFO L276 PluginConnector]: CDTParser initialized [2018-08-08 15:06:31,600 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-lit/css2003_true-unreach-call_true-termination.c.i [2018-08-08 15:06:31,976 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc9756c65/f3d1315abb7543ab89117356c68427f0/FLAGccd7df5ab [2018-08-08 15:06:32,143 INFO L276 CDTParser]: Found 1 translation units. [2018-08-08 15:06:32,144 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/css2003_true-unreach-call_true-termination.c.i [2018-08-08 15:06:32,150 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc9756c65/f3d1315abb7543ab89117356c68427f0/FLAGccd7df5ab [2018-08-08 15:06:32,165 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc9756c65/f3d1315abb7543ab89117356c68427f0 [2018-08-08 15:06:32,175 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-08-08 15:06:32,177 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-08-08 15:06:32,178 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-08-08 15:06:32,178 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-08-08 15:06:32,185 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-08-08 15:06:32,186 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 03:06:32" (1/1) ... [2018-08-08 15:06:32,191 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39eecb16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:06:32, skipping insertion in model container [2018-08-08 15:06:32,192 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 03:06:32" (1/1) ... [2018-08-08 15:06:32,342 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-08-08 15:06:32,379 INFO L175 PostProcessor]: Settings: Checked method=main [2018-08-08 15:06:32,394 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-08-08 15:06:32,400 INFO L175 PostProcessor]: Settings: Checked method=main [2018-08-08 15:06:32,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:06:32 WrapperNode [2018-08-08 15:06:32,414 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-08-08 15:06:32,415 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-08-08 15:06:32,415 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-08-08 15:06:32,415 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-08-08 15:06:32,426 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:06:32" (1/1) ... [2018-08-08 15:06:32,432 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:06:32" (1/1) ... [2018-08-08 15:06:32,438 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-08-08 15:06:32,439 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-08-08 15:06:32,439 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-08-08 15:06:32,439 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-08-08 15:06:32,450 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:06:32" (1/1) ... [2018-08-08 15:06:32,450 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:06:32" (1/1) ... [2018-08-08 15:06:32,451 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:06:32" (1/1) ... [2018-08-08 15:06:32,451 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:06:32" (1/1) ... [2018-08-08 15:06:32,453 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:06:32" (1/1) ... [2018-08-08 15:06:32,458 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:06:32" (1/1) ... [2018-08-08 15:06:32,459 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:06:32" (1/1) ... [2018-08-08 15:06:32,460 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-08-08 15:06:32,461 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-08-08 15:06:32,461 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-08-08 15:06:32,461 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-08-08 15:06:32,462 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:06:32" (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 [2018-08-08 15:06:32,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-08-08 15:06:32,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-08-08 15:06:32,536 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_lit_css_____true_unreach_call_true_termination_c_i____VERIFIER_assert [2018-08-08 15:06:32,537 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_lit_css_____true_unreach_call_true_termination_c_i____VERIFIER_assert [2018-08-08 15:06:32,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-08-08 15:06:32,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-08-08 15:06:32,537 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-08-08 15:06:32,537 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-08-08 15:06:32,953 INFO L273 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-08-08 15:06:32,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 03:06:32 BoogieIcfgContainer [2018-08-08 15:06:32,954 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-08-08 15:06:32,955 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-08-08 15:06:32,955 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-08-08 15:06:32,958 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-08-08 15:06:32,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.08 03:06:32" (1/3) ... [2018-08-08 15:06:32,959 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74f221f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.08 03:06:32, skipping insertion in model container [2018-08-08 15:06:32,959 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:06:32" (2/3) ... [2018-08-08 15:06:32,960 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74f221f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.08 03:06:32, skipping insertion in model container [2018-08-08 15:06:32,960 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 03:06:32" (3/3) ... [2018-08-08 15:06:32,962 INFO L112 eAbstractionObserver]: Analyzing ICFG css2003_true-unreach-call_true-termination.c.i [2018-08-08 15:06:32,972 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-08-08 15:06:32,980 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-08-08 15:06:33,029 INFO L129 ementStrategyFactory]: Using default assertion order modulation [2018-08-08 15:06:33,030 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-08-08 15:06:33,031 INFO L382 AbstractCegarLoop]: Hoare is true [2018-08-08 15:06:33,031 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-08-08 15:06:33,031 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-08-08 15:06:33,031 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-08-08 15:06:33,031 INFO L386 AbstractCegarLoop]: Difference is false [2018-08-08 15:06:33,031 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-08-08 15:06:33,032 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-08-08 15:06:33,051 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states. [2018-08-08 15:06:33,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-08-08 15:06:33,058 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 15:06:33,059 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-08-08 15:06:33,060 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_lit_css_____true_unreach_call_true_termination_c_i____VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-08 15:06:33,065 INFO L82 PathProgramCache]: Analyzing trace with hash -2139720349, now seen corresponding path program 1 times [2018-08-08 15:06:33,068 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 15:06:33,069 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 13 with the following transitions: [2018-08-08 15:06:33,072 INFO L202 CegarAbsIntRunner]: [0], [1], [4], [6], [15], [19], [23], [29], [36], [37], [38], [40] [2018-08-08 15:06:33,108 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-08-08 15:06:33,108 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 15:06:33,239 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-08-08 15:06:33,240 INFO L272 AbstractInterpreter]: Visited 12 different actions 12 times. Never merged. Never widened. Never found a fixpoint. Largest state had 4 variables. [2018-08-08 15:06:33,252 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-08-08 15:06:33,271 WARN L205 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2018-08-08 15:06:33,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.08 03:06:33 BoogieIcfgContainer [2018-08-08 15:06:33,272 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-08-08 15:06:33,273 INFO L168 Benchmark]: Toolchain (without parser) took 1097.15 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 732.4 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -754.4 MB). There was no memory consumed. Max. memory is 7.1 GB. [2018-08-08 15:06:33,275 INFO L168 Benchmark]: CDTParser took 0.32 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. [2018-08-08 15:06:33,276 INFO L168 Benchmark]: CACSL2BoogieTranslator took 236.80 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: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 7.1 GB. [2018-08-08 15:06:33,277 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.79 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. [2018-08-08 15:06:33,278 INFO L168 Benchmark]: Boogie Preprocessor took 21.63 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. [2018-08-08 15:06:33,278 INFO L168 Benchmark]: RCFGBuilder took 492.82 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 732.4 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -786.7 MB). Peak memory consumption was 27.1 MB. Max. memory is 7.1 GB. [2018-08-08 15:06:33,279 INFO L168 Benchmark]: TraceAbstraction took 317.16 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: 19.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 7.1 GB. [2018-08-08 15:06:33,284 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 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 236.80 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: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 23.79 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 21.63 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 492.82 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 732.4 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -786.7 MB). Peak memory consumption was 27.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 317.16 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: 19.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 5]: 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: [L11] int i,j,k; [L12] i = 1 [L13] j = 1 [L14] k = __VERIFIER_nondet_int() [L15] COND FALSE !(!(0 <= k && k <= 1)) [L16] COND TRUE i < 1000000 [L17] i = i + 1 [L18] j = j + k [L19] k = k - 1 [L20] CALL __VERIFIER_assert(1 <= i + k && i + k <= 2 && i >= 1) [L4] COND TRUE !(cond) [L5] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 20 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=20occurred 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/css2003_true-unreach-call_true-termination.c.i_svcomp-Reach-64bit-ToothlessTaipan_INTCON-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-08-08_15-06-33-298.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/css2003_true-unreach-call_true-termination.c.i_svcomp-Reach-64bit-ToothlessTaipan_INTCON-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-08-08_15-06-33-298.csv Received shutdown request...