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_Default-OldIcfg.epf -i ../../../trunk/examples/svcomp/loops/veris.c_OpenSER__cases1_stripFullBoth_arr_true-unreach-call_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ddc4263 [2018-08-08 03:30:18,818 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-08-08 03:30:18,820 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-08-08 03:30:18,833 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-08-08 03:30:18,834 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-08-08 03:30:18,835 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-08-08 03:30:18,836 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-08-08 03:30:18,838 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-08-08 03:30:18,839 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-08-08 03:30:18,840 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-08-08 03:30:18,841 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-08-08 03:30:18,842 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-08-08 03:30:18,842 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-08-08 03:30:18,843 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-08-08 03:30:18,845 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-08-08 03:30:18,845 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-08-08 03:30:18,846 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-08-08 03:30:18,848 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-08-08 03:30:18,857 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-08-08 03:30:18,858 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-08-08 03:30:18,862 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-08-08 03:30:18,863 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-08-08 03:30:18,870 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-08-08 03:30:18,887 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf [2018-08-08 03:30:18,913 INFO L110 SettingsManager]: Loading preferences was successful [2018-08-08 03:30:18,914 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-08-08 03:30:18,914 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-08-08 03:30:18,915 INFO L133 SettingsManager]: * User list type=DISABLED [2018-08-08 03:30:18,915 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-08-08 03:30:18,915 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-08-08 03:30:18,916 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-08-08 03:30:18,916 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-08-08 03:30:18,916 INFO L133 SettingsManager]: * Log string format=TERM [2018-08-08 03:30:18,917 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-08-08 03:30:18,917 INFO L133 SettingsManager]: * Interval Domain=false [2018-08-08 03:30:18,918 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-08-08 03:30:18,918 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-08-08 03:30:18,918 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-08-08 03:30:18,919 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-08-08 03:30:18,919 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-08-08 03:30:18,919 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-08-08 03:30:18,919 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-08-08 03:30:18,919 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-08-08 03:30:18,920 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-08-08 03:30:18,920 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-08-08 03:30:18,920 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-08-08 03:30:18,920 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-08-08 03:30:18,922 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-08-08 03:30:18,922 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-08-08 03:30:18,922 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-08-08 03:30:18,923 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-08-08 03:30:18,923 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-08-08 03:30:18,923 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-08-08 03:30:18,923 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-08-08 03:30:18,923 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-08-08 03:30:18,923 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-08-08 03:30:18,924 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-08-08 03:30:18,997 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-08-08 03:30:19,014 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-08-08 03:30:19,021 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-08-08 03:30:19,022 INFO L271 PluginConnector]: Initializing CDTParser... [2018-08-08 03:30:19,023 INFO L276 PluginConnector]: CDTParser initialized [2018-08-08 03:30:19,023 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/veris.c_OpenSER__cases1_stripFullBoth_arr_true-unreach-call_true-termination.i [2018-08-08 03:30:19,379 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/561d6bb81/95f89246226844fd9c4f6e1ee892530f/FLAG139cfa258 [2018-08-08 03:30:19,562 INFO L276 CDTParser]: Found 1 translation units. [2018-08-08 03:30:19,563 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/veris.c_OpenSER__cases1_stripFullBoth_arr_true-unreach-call_true-termination.i [2018-08-08 03:30:19,573 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/561d6bb81/95f89246226844fd9c4f6e1ee892530f/FLAG139cfa258 [2018-08-08 03:30:19,589 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/561d6bb81/95f89246226844fd9c4f6e1ee892530f [2018-08-08 03:30:19,600 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-08-08 03:30:19,601 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-08-08 03:30:19,603 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-08-08 03:30:19,603 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-08-08 03:30:19,610 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-08-08 03:30:19,611 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 03:30:19" (1/1) ... [2018-08-08 03:30:19,614 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6192459a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:30:19, skipping insertion in model container [2018-08-08 03:30:19,614 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 03:30:19" (1/1) ... [2018-08-08 03:30:19,766 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-08-08 03:30:19,829 INFO L175 PostProcessor]: Settings: Checked method=main [2018-08-08 03:30:19,853 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-08-08 03:30:19,874 INFO L175 PostProcessor]: Settings: Checked method=main [2018-08-08 03:30:19,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:30:19 WrapperNode [2018-08-08 03:30:19,911 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-08-08 03:30:19,912 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-08-08 03:30:19,912 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-08-08 03:30:19,912 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-08-08 03:30:19,922 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:30:19" (1/1) ... [2018-08-08 03:30:19,937 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:30:19" (1/1) ... [2018-08-08 03:30:19,973 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-08-08 03:30:19,974 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-08-08 03:30:19,974 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-08-08 03:30:19,974 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-08-08 03:30:19,985 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:30:19" (1/1) ... [2018-08-08 03:30:19,985 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:30:19" (1/1) ... [2018-08-08 03:30:19,989 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:30:19" (1/1) ... [2018-08-08 03:30:19,990 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:30:19" (1/1) ... [2018-08-08 03:30:19,998 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:30:19" (1/1) ... [2018-08-08 03:30:20,004 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:30:19" (1/1) ... [2018-08-08 03:30:20,007 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:30:19" (1/1) ... [2018-08-08 03:30:20,010 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-08-08 03:30:20,011 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-08-08 03:30:20,011 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-08-08 03:30:20,011 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-08-08 03:30:20,012 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:30:19" (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 03:30:20,177 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-08-08 03:30:20,177 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-08-08 03:30:20,178 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i__parse_expression_list [2018-08-08 03:30:20,178 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i__parse_expression_list [2018-08-08 03:30:20,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-08-08 03:30:20,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-08-08 03:30:20,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-08-08 03:30:20,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-08-08 03:30:20,179 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i____VERIFIER_assert [2018-08-08 03:30:20,180 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i____VERIFIER_assert [2018-08-08 03:30:20,878 INFO L273 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-08-08 03:30:20,879 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 03:30:20 BoogieIcfgContainer [2018-08-08 03:30:20,879 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-08-08 03:30:20,880 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-08-08 03:30:20,880 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-08-08 03:30:20,884 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-08-08 03:30:20,884 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.08 03:30:19" (1/3) ... [2018-08-08 03:30:20,885 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@138da4a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.08 03:30:20, skipping insertion in model container [2018-08-08 03:30:20,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:30:19" (2/3) ... [2018-08-08 03:30:20,885 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@138da4a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.08 03:30:20, skipping insertion in model container [2018-08-08 03:30:20,886 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 03:30:20" (3/3) ... [2018-08-08 03:30:20,887 INFO L112 eAbstractionObserver]: Analyzing ICFG veris.c_OpenSER__cases1_stripFullBoth_arr_true-unreach-call_true-termination.i [2018-08-08 03:30:20,898 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-08-08 03:30:20,906 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-08-08 03:30:20,956 INFO L129 ementStrategyFactory]: Using default assertion order modulation [2018-08-08 03:30:20,957 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-08-08 03:30:20,958 INFO L382 AbstractCegarLoop]: Hoare is true [2018-08-08 03:30:20,958 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-08-08 03:30:20,958 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-08-08 03:30:20,958 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-08-08 03:30:20,959 INFO L386 AbstractCegarLoop]: Difference is false [2018-08-08 03:30:20,959 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-08-08 03:30:20,959 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-08-08 03:30:20,992 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states. [2018-08-08 03:30:20,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-08-08 03:30:21,000 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 03:30:21,001 INFO L376 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, 1, 1] [2018-08-08 03:30:21,002 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i____VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-08 03:30:21,006 INFO L82 PathProgramCache]: Analyzing trace with hash 1031277574, now seen corresponding path program 1 times [2018-08-08 03:30:21,009 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 03:30:21,010 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 28 with the following transitions: [2018-08-08 03:30:21,013 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [13], [32], [34], [37], [41], [67], [69], [72], [80], [84], [88], [113], [126], [128], [132], [135], [137], [143], [145], [146], [147], [149] [2018-08-08 03:30:21,070 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-08-08 03:30:21,071 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 03:30:21,211 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 03:30:21,212 INFO L272 AbstractInterpreter]: Visited 7 different actions 7 times. Never merged. Never widened. Never found a fixpoint. Largest state had 23 variables. [2018-08-08 03:30:21,246 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 03:30:21,326 INFO L232 lantSequenceWeakener]: Weakened 6 states. On average, predicates are now at 96.67% of their original sizes. [2018-08-08 03:30:21,326 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 03:30:21,361 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 03:30:21,364 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 03:30:21,365 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-08-08 03:30:21,365 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 03:30:21,370 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-08-08 03:30:21,376 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-08-08 03:30:21,376 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-08-08 03:30:21,378 INFO L87 Difference]: Start difference. First operand 53 states. Second operand 3 states. [2018-08-08 03:30:21,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 03:30:21,455 INFO L93 Difference]: Finished difference Result 97 states and 133 transitions. [2018-08-08 03:30:21,455 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-08-08 03:30:21,457 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2018-08-08 03:30:21,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 03:30:21,477 INFO L225 Difference]: With dead ends: 97 [2018-08-08 03:30:21,478 INFO L226 Difference]: Without dead ends: 45 [2018-08-08 03:30:21,483 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 26 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-08-08 03:30:21,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2018-08-08 03:30:21,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2018-08-08 03:30:21,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2018-08-08 03:30:21,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 55 transitions. [2018-08-08 03:30:21,526 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 55 transitions. Word has length 27 [2018-08-08 03:30:21,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 03:30:21,527 INFO L480 AbstractCegarLoop]: Abstraction has 45 states and 55 transitions. [2018-08-08 03:30:21,527 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-08-08 03:30:21,527 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 55 transitions. [2018-08-08 03:30:21,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-08-08 03:30:21,529 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 03:30:21,529 INFO L376 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-08-08 03:30:21,529 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i____VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-08 03:30:21,530 INFO L82 PathProgramCache]: Analyzing trace with hash 157472994, now seen corresponding path program 1 times [2018-08-08 03:30:21,530 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 03:30:21,530 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 35 with the following transitions: [2018-08-08 03:30:21,531 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [13], [17], [19], [22], [28], [34], [37], [41], [45], [47], [59], [63], [69], [72], [80], [84], [88], [113], [117], [120], [128], [132], [135], [137], [143], [145], [146], [147], [149] [2018-08-08 03:30:21,534 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-08-08 03:30:21,534 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 03:30:21,565 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 03:30:21,566 INFO L272 AbstractInterpreter]: Visited 8 different actions 8 times. Never merged. Never widened. Never found a fixpoint. Largest state had 23 variables. [2018-08-08 03:30:21,593 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 03:30:21,638 INFO L232 lantSequenceWeakener]: Weakened 7 states. On average, predicates are now at 91.43% of their original sizes. [2018-08-08 03:30:21,639 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 03:30:21,670 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 03:30:21,671 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 03:30:21,671 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-08-08 03:30:21,671 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 03:30:21,672 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-08-08 03:30:21,673 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-08-08 03:30:21,673 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-08-08 03:30:21,673 INFO L87 Difference]: Start difference. First operand 45 states and 55 transitions. Second operand 3 states. [2018-08-08 03:30:21,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 03:30:21,747 INFO L93 Difference]: Finished difference Result 84 states and 104 transitions. [2018-08-08 03:30:21,748 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-08-08 03:30:21,748 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2018-08-08 03:30:21,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 03:30:21,750 INFO L225 Difference]: With dead ends: 84 [2018-08-08 03:30:21,750 INFO L226 Difference]: Without dead ends: 48 [2018-08-08 03:30:21,751 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 33 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-08-08 03:30:21,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2018-08-08 03:30:21,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 47. [2018-08-08 03:30:21,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-08-08 03:30:21,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 57 transitions. [2018-08-08 03:30:21,761 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 57 transitions. Word has length 34 [2018-08-08 03:30:21,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 03:30:21,761 INFO L480 AbstractCegarLoop]: Abstraction has 47 states and 57 transitions. [2018-08-08 03:30:21,761 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-08-08 03:30:21,761 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 57 transitions. [2018-08-08 03:30:21,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-08-08 03:30:21,763 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 03:30:21,763 INFO L376 BasicCegarLoop]: trace histogram [2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-08-08 03:30:21,763 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i____VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-08 03:30:21,763 INFO L82 PathProgramCache]: Analyzing trace with hash -116110469, now seen corresponding path program 1 times [2018-08-08 03:30:21,764 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 03:30:21,764 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 38 with the following transitions: [2018-08-08 03:30:21,764 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [13], [17], [19], [22], [28], [34], [37], [41], [45], [47], [59], [63], [69], [72], [80], [84], [88], [113], [117], [120], [122], [124], [128], [132], [135], [137], [143], [145], [146], [147], [149] [2018-08-08 03:30:21,768 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-08-08 03:30:21,769 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 03:30:22,038 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 03:30:22,038 INFO L272 AbstractInterpreter]: Visited 20 different actions 47 times. Merged at 3 different actions 20 times. Widened at 1 different actions 3 times. Found 1 fixpoints after 1 different actions. Largest state had 51 variables. [2018-08-08 03:30:22,066 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 03:30:22,297 INFO L232 lantSequenceWeakener]: Weakened 20 states. On average, predicates are now at 78.76% of their original sizes. [2018-08-08 03:30:22,298 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 03:30:22,953 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 03:30:22,953 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 03:30:22,954 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-08-08 03:30:22,954 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 03:30:22,954 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-08-08 03:30:22,955 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-08-08 03:30:22,955 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2018-08-08 03:30:22,955 INFO L87 Difference]: Start difference. First operand 47 states and 57 transitions. Second operand 9 states. [2018-08-08 03:30:23,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 03:30:23,922 INFO L93 Difference]: Finished difference Result 107 states and 137 transitions. [2018-08-08 03:30:23,923 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-08-08 03:30:23,923 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 37 [2018-08-08 03:30:23,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 03:30:23,927 INFO L225 Difference]: With dead ends: 107 [2018-08-08 03:30:23,927 INFO L226 Difference]: Without dead ends: 75 [2018-08-08 03:30:23,928 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 39 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2018-08-08 03:30:23,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2018-08-08 03:30:23,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 53. [2018-08-08 03:30:23,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-08-08 03:30:23,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 65 transitions. [2018-08-08 03:30:23,946 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 65 transitions. Word has length 37 [2018-08-08 03:30:23,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 03:30:23,946 INFO L480 AbstractCegarLoop]: Abstraction has 53 states and 65 transitions. [2018-08-08 03:30:23,946 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-08-08 03:30:23,947 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 65 transitions. [2018-08-08 03:30:23,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-08-08 03:30:23,948 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 03:30:23,948 INFO L376 BasicCegarLoop]: trace histogram [2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-08-08 03:30:23,948 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i____VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-08 03:30:23,949 INFO L82 PathProgramCache]: Analyzing trace with hash -2110255175, now seen corresponding path program 1 times [2018-08-08 03:30:23,949 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 03:30:23,949 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 38 with the following transitions: [2018-08-08 03:30:23,950 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [13], [17], [19], [24], [28], [34], [37], [41], [45], [47], [59], [63], [69], [72], [80], [84], [88], [113], [117], [120], [122], [124], [128], [132], [135], [137], [143], [145], [146], [147], [149] [2018-08-08 03:30:23,953 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-08-08 03:30:23,953 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 03:30:24,174 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 03:30:24,174 INFO L272 AbstractInterpreter]: Visited 29 different actions 56 times. Merged at 3 different actions 20 times. Widened at 1 different actions 3 times. Found 1 fixpoints after 1 different actions. Largest state had 51 variables. [2018-08-08 03:30:24,183 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 03:30:24,431 INFO L232 lantSequenceWeakener]: Weakened 29 states. On average, predicates are now at 76.25% of their original sizes. [2018-08-08 03:30:24,431 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 03:30:25,154 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 03:30:25,154 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 03:30:25,154 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-08-08 03:30:25,155 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 03:30:25,155 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-08-08 03:30:25,156 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-08-08 03:30:25,156 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2018-08-08 03:30:25,157 INFO L87 Difference]: Start difference. First operand 53 states and 65 transitions. Second operand 12 states. [2018-08-08 03:30:26,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 03:30:26,432 INFO L93 Difference]: Finished difference Result 126 states and 162 transitions. [2018-08-08 03:30:26,433 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-08-08 03:30:26,433 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 37 [2018-08-08 03:30:26,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 03:30:26,435 INFO L225 Difference]: With dead ends: 126 [2018-08-08 03:30:26,436 INFO L226 Difference]: Without dead ends: 85 [2018-08-08 03:30:26,437 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 42 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=60, Invalid=246, Unknown=0, NotChecked=0, Total=306 [2018-08-08 03:30:26,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2018-08-08 03:30:26,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 62. [2018-08-08 03:30:26,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2018-08-08 03:30:26,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 77 transitions. [2018-08-08 03:30:26,450 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 77 transitions. Word has length 37 [2018-08-08 03:30:26,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 03:30:26,451 INFO L480 AbstractCegarLoop]: Abstraction has 62 states and 77 transitions. [2018-08-08 03:30:26,451 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-08-08 03:30:26,451 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 77 transitions. [2018-08-08 03:30:26,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-08-08 03:30:26,452 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 03:30:26,452 INFO L376 BasicCegarLoop]: trace histogram [2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-08-08 03:30:26,453 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i____VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-08 03:30:26,453 INFO L82 PathProgramCache]: Analyzing trace with hash 904848443, now seen corresponding path program 1 times [2018-08-08 03:30:26,453 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 03:30:26,453 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 38 with the following transitions: [2018-08-08 03:30:26,454 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [13], [17], [19], [24], [28], [34], [39], [41], [45], [47], [59], [63], [69], [72], [80], [84], [88], [113], [117], [120], [122], [124], [128], [132], [135], [137], [143], [145], [146], [147], [149] [2018-08-08 03:30:26,456 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-08-08 03:30:26,457 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 03:30:26,677 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 03:30:26,677 INFO L272 AbstractInterpreter]: Visited 29 different actions 56 times. Merged at 3 different actions 20 times. Widened at 1 different actions 3 times. Found 1 fixpoints after 1 different actions. Largest state had 50 variables. [2018-08-08 03:30:26,693 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 03:30:26,875 INFO L232 lantSequenceWeakener]: Weakened 29 states. On average, predicates are now at 75.9% of their original sizes. [2018-08-08 03:30:26,875 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 03:30:27,288 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 03:30:27,288 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 03:30:27,288 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-08-08 03:30:27,288 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 03:30:27,289 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-08-08 03:30:27,289 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-08-08 03:30:27,289 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2018-08-08 03:30:27,290 INFO L87 Difference]: Start difference. First operand 62 states and 77 transitions. Second operand 11 states. [2018-08-08 03:30:28,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 03:30:28,185 INFO L93 Difference]: Finished difference Result 119 states and 151 transitions. [2018-08-08 03:30:28,186 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-08-08 03:30:28,186 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 37 [2018-08-08 03:30:28,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 03:30:28,188 INFO L225 Difference]: With dead ends: 119 [2018-08-08 03:30:28,188 INFO L226 Difference]: Without dead ends: 76 [2018-08-08 03:30:28,189 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 41 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2018-08-08 03:30:28,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-08-08 03:30:28,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 59. [2018-08-08 03:30:28,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2018-08-08 03:30:28,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 73 transitions. [2018-08-08 03:30:28,200 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 73 transitions. Word has length 37 [2018-08-08 03:30:28,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 03:30:28,200 INFO L480 AbstractCegarLoop]: Abstraction has 59 states and 73 transitions. [2018-08-08 03:30:28,201 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-08-08 03:30:28,201 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 73 transitions. [2018-08-08 03:30:28,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-08-08 03:30:28,202 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 03:30:28,202 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2018-08-08 03:30:28,202 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i____VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-08 03:30:28,203 INFO L82 PathProgramCache]: Analyzing trace with hash -375876763, now seen corresponding path program 1 times [2018-08-08 03:30:28,203 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 03:30:28,203 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 42 with the following transitions: [2018-08-08 03:30:28,203 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [13], [17], [19], [22], [28], [30], [34], [37], [41], [45], [47], [59], [63], [69], [72], [80], [84], [88], [113], [117], [120], [122], [124], [128], [132], [135], [137], [143], [145], [146], [147], [149] [2018-08-08 03:30:28,206 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-08-08 03:30:28,206 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 03:30:29,385 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 03:30:29,385 INFO L272 AbstractInterpreter]: Visited 21 different actions 290 times. Merged at 7 different actions 214 times. Widened at 2 different actions 48 times. Found 2 fixpoints after 2 different actions. Largest state had 52 variables. [2018-08-08 03:30:29,428 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 03:30:29,534 INFO L232 lantSequenceWeakener]: Weakened 24 states. On average, predicates are now at 77.17% of their original sizes. [2018-08-08 03:30:29,534 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 03:30:29,993 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 03:30:29,993 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 03:30:29,993 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-08-08 03:30:29,993 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 03:30:29,994 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-08-08 03:30:29,994 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-08-08 03:30:29,994 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2018-08-08 03:30:29,995 INFO L87 Difference]: Start difference. First operand 59 states and 73 transitions. Second operand 10 states. [2018-08-08 03:30:30,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 03:30:30,487 INFO L93 Difference]: Finished difference Result 125 states and 159 transitions. [2018-08-08 03:30:30,488 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-08-08 03:30:30,488 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 41 [2018-08-08 03:30:30,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 03:30:30,489 INFO L225 Difference]: With dead ends: 125 [2018-08-08 03:30:30,490 INFO L226 Difference]: Without dead ends: 91 [2018-08-08 03:30:30,491 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 45 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2018-08-08 03:30:30,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2018-08-08 03:30:30,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 64. [2018-08-08 03:30:30,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2018-08-08 03:30:30,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 80 transitions. [2018-08-08 03:30:30,503 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 80 transitions. Word has length 41 [2018-08-08 03:30:30,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 03:30:30,503 INFO L480 AbstractCegarLoop]: Abstraction has 64 states and 80 transitions. [2018-08-08 03:30:30,503 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-08-08 03:30:30,503 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 80 transitions. [2018-08-08 03:30:30,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-08-08 03:30:30,504 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 03:30:30,505 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-08-08 03:30:30,505 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i____VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-08 03:30:30,505 INFO L82 PathProgramCache]: Analyzing trace with hash 1924945827, now seen corresponding path program 1 times [2018-08-08 03:30:30,505 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 03:30:30,506 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 42 with the following transitions: [2018-08-08 03:30:30,506 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [13], [17], [19], [22], [24], [28], [30], [34], [37], [41], [45], [47], [59], [63], [69], [72], [80], [84], [88], [113], [117], [120], [122], [124], [128], [132], [135], [137], [143], [145], [146], [147], [149] [2018-08-08 03:30:30,509 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-08-08 03:30:30,509 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 03:30:34,183 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 03:30:34,184 INFO L272 AbstractInterpreter]: Visited 31 different actions 883 times. Merged at 17 different actions 700 times. Widened at 3 different actions 93 times. Found 99 fixpoints after 7 different actions. Largest state had 52 variables. [2018-08-08 03:30:34,188 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 03:30:34,324 INFO L232 lantSequenceWeakener]: Weakened 33 states. On average, predicates are now at 75.33% of their original sizes. [2018-08-08 03:30:34,324 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 03:30:34,644 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 03:30:34,645 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 03:30:34,645 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-08-08 03:30:34,645 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 03:30:34,645 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-08-08 03:30:34,646 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-08-08 03:30:34,646 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2018-08-08 03:30:34,647 INFO L87 Difference]: Start difference. First operand 64 states and 80 transitions. Second operand 13 states. [2018-08-08 03:30:35,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 03:30:35,478 INFO L93 Difference]: Finished difference Result 111 states and 141 transitions. [2018-08-08 03:30:35,479 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-08-08 03:30:35,479 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 41 [2018-08-08 03:30:35,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 03:30:35,480 INFO L225 Difference]: With dead ends: 111 [2018-08-08 03:30:35,480 INFO L226 Difference]: Without dead ends: 53 [2018-08-08 03:30:35,482 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 46 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=69, Invalid=273, Unknown=0, NotChecked=0, Total=342 [2018-08-08 03:30:35,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-08-08 03:30:35,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 49. [2018-08-08 03:30:35,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-08-08 03:30:35,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 59 transitions. [2018-08-08 03:30:35,490 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 59 transitions. Word has length 41 [2018-08-08 03:30:35,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 03:30:35,490 INFO L480 AbstractCegarLoop]: Abstraction has 49 states and 59 transitions. [2018-08-08 03:30:35,491 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-08-08 03:30:35,491 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 59 transitions. [2018-08-08 03:30:35,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-08-08 03:30:35,492 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 03:30:35,492 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-08-08 03:30:35,492 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i____VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-08 03:30:35,493 INFO L82 PathProgramCache]: Analyzing trace with hash -1802910364, now seen corresponding path program 1 times [2018-08-08 03:30:35,493 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 03:30:35,493 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 43 with the following transitions: [2018-08-08 03:30:35,493 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [13], [17], [19], [22], [28], [34], [37], [41], [45], [47], [59], [63], [69], [72], [80], [84], [88], [95], [97], [99], [104], [113], [117], [120], [122], [124], [128], [132], [135], [137], [143], [145], [146], [147], [149] [2018-08-08 03:30:35,496 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-08-08 03:30:35,496 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 03:30:37,316 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 03:30:37,316 INFO L272 AbstractInterpreter]: Visited 24 different actions 537 times. Merged at 12 different actions 457 times. Widened at 3 different actions 92 times. Found 3 fixpoints after 3 different actions. Largest state had 52 variables. [2018-08-08 03:30:37,322 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 03:30:37,402 INFO L232 lantSequenceWeakener]: Weakened 25 states. On average, predicates are now at 76.87% of their original sizes. [2018-08-08 03:30:37,403 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 03:30:37,596 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 03:30:37,597 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 03:30:37,597 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-08-08 03:30:37,597 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 03:30:37,597 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-08-08 03:30:37,598 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-08-08 03:30:37,598 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2018-08-08 03:30:37,598 INFO L87 Difference]: Start difference. First operand 49 states and 59 transitions. Second operand 10 states. [2018-08-08 03:30:38,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 03:30:38,119 INFO L93 Difference]: Finished difference Result 108 states and 138 transitions. [2018-08-08 03:30:38,119 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-08-08 03:30:38,119 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 42 [2018-08-08 03:30:38,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 03:30:38,120 INFO L225 Difference]: With dead ends: 108 [2018-08-08 03:30:38,120 INFO L226 Difference]: Without dead ends: 76 [2018-08-08 03:30:38,121 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 44 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2018-08-08 03:30:38,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-08-08 03:30:38,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 58. [2018-08-08 03:30:38,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2018-08-08 03:30:38,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 70 transitions. [2018-08-08 03:30:38,132 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 70 transitions. Word has length 42 [2018-08-08 03:30:38,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 03:30:38,133 INFO L480 AbstractCegarLoop]: Abstraction has 58 states and 70 transitions. [2018-08-08 03:30:38,133 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-08-08 03:30:38,133 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 70 transitions. [2018-08-08 03:30:38,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-08-08 03:30:38,134 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 03:30:38,134 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-08-08 03:30:38,135 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i____VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-08 03:30:38,135 INFO L82 PathProgramCache]: Analyzing trace with hash 497912226, now seen corresponding path program 1 times [2018-08-08 03:30:38,135 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 03:30:38,135 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 43 with the following transitions: [2018-08-08 03:30:38,135 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [13], [17], [19], [24], [28], [34], [37], [41], [45], [47], [59], [63], [69], [72], [80], [84], [88], [95], [97], [99], [104], [113], [117], [120], [122], [124], [128], [132], [135], [137], [143], [145], [146], [147], [149] [2018-08-08 03:30:38,138 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-08-08 03:30:38,138 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 03:30:42,595 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 03:30:42,596 INFO L272 AbstractInterpreter]: Visited 39 different actions 1254 times. Merged at 25 different actions 1069 times. Widened at 4 different actions 136 times. Found 3 fixpoints after 3 different actions. Largest state had 52 variables. [2018-08-08 03:30:42,633 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 03:30:42,851 INFO L232 lantSequenceWeakener]: Weakened 40 states. On average, predicates are now at 75.81% of their original sizes. [2018-08-08 03:30:42,852 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 03:30:43,965 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 03:30:43,966 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 03:30:43,966 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2018-08-08 03:30:43,966 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 03:30:43,967 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-08-08 03:30:43,967 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-08-08 03:30:43,967 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2018-08-08 03:30:43,968 INFO L87 Difference]: Start difference. First operand 58 states and 70 transitions. Second operand 16 states. [2018-08-08 03:30:45,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 03:30:45,209 INFO L93 Difference]: Finished difference Result 144 states and 188 transitions. [2018-08-08 03:30:45,209 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-08-08 03:30:45,209 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 42 [2018-08-08 03:30:45,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 03:30:45,211 INFO L225 Difference]: With dead ends: 144 [2018-08-08 03:30:45,212 INFO L226 Difference]: Without dead ends: 112 [2018-08-08 03:30:45,213 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 49 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=86, Invalid=466, Unknown=0, NotChecked=0, Total=552 [2018-08-08 03:30:45,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2018-08-08 03:30:45,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 88. [2018-08-08 03:30:45,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2018-08-08 03:30:45,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 111 transitions. [2018-08-08 03:30:45,237 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 111 transitions. Word has length 42 [2018-08-08 03:30:45,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 03:30:45,237 INFO L480 AbstractCegarLoop]: Abstraction has 88 states and 111 transitions. [2018-08-08 03:30:45,238 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-08-08 03:30:45,238 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 111 transitions. [2018-08-08 03:30:45,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-08-08 03:30:45,239 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 03:30:45,240 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-08-08 03:30:45,240 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i____VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-08 03:30:45,241 INFO L82 PathProgramCache]: Analyzing trace with hash -781951452, now seen corresponding path program 1 times [2018-08-08 03:30:45,241 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 03:30:45,241 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 43 with the following transitions: [2018-08-08 03:30:45,241 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [13], [17], [19], [24], [28], [34], [39], [41], [45], [47], [59], [63], [69], [72], [80], [84], [88], [95], [97], [99], [104], [113], [117], [120], [122], [124], [128], [132], [135], [137], [143], [145], [146], [147], [149] [2018-08-08 03:30:45,243 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-08-08 03:30:45,243 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 03:30:49,122 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 03:30:49,122 INFO L272 AbstractInterpreter]: Visited 39 different actions 1254 times. Merged at 25 different actions 1069 times. Widened at 4 different actions 136 times. Found 3 fixpoints after 3 different actions. Largest state had 51 variables. [2018-08-08 03:30:49,131 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 03:30:49,262 INFO L232 lantSequenceWeakener]: Weakened 40 states. On average, predicates are now at 75.56% of their original sizes. [2018-08-08 03:30:49,262 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 03:30:49,566 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 03:30:49,566 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 03:30:49,566 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2018-08-08 03:30:49,566 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 03:30:49,567 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-08-08 03:30:49,567 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-08-08 03:30:49,567 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2018-08-08 03:30:49,567 INFO L87 Difference]: Start difference. First operand 88 states and 111 transitions. Second operand 15 states. [2018-08-08 03:30:50,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 03:30:50,377 INFO L93 Difference]: Finished difference Result 150 states and 194 transitions. [2018-08-08 03:30:50,377 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-08-08 03:30:50,377 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 42 [2018-08-08 03:30:50,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 03:30:50,379 INFO L225 Difference]: With dead ends: 150 [2018-08-08 03:30:50,380 INFO L226 Difference]: Without dead ends: 118 [2018-08-08 03:30:50,380 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 48 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=85, Invalid=377, Unknown=0, NotChecked=0, Total=462 [2018-08-08 03:30:50,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2018-08-08 03:30:50,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 88. [2018-08-08 03:30:50,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2018-08-08 03:30:50,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 111 transitions. [2018-08-08 03:30:50,394 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 111 transitions. Word has length 42 [2018-08-08 03:30:50,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 03:30:50,394 INFO L480 AbstractCegarLoop]: Abstraction has 88 states and 111 transitions. [2018-08-08 03:30:50,394 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-08-08 03:30:50,394 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 111 transitions. [2018-08-08 03:30:50,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-08-08 03:30:50,396 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 03:30:50,396 INFO L376 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-08-08 03:30:50,396 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i____VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-08 03:30:50,396 INFO L82 PathProgramCache]: Analyzing trace with hash 2021454030, now seen corresponding path program 1 times [2018-08-08 03:30:50,397 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 03:30:50,397 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 47 with the following transitions: [2018-08-08 03:30:50,397 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [13], [17], [19], [22], [28], [30], [34], [37], [41], [45], [47], [59], [63], [69], [72], [80], [84], [88], [95], [97], [99], [104], [113], [117], [120], [122], [124], [128], [132], [135], [137], [143], [145], [146], [147], [149] [2018-08-08 03:30:50,399 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-08-08 03:30:50,399 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 03:30:53,435 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 03:30:53,436 INFO L272 AbstractInterpreter]: Visited 25 different actions 906 times. Merged at 13 different actions 715 times. Widened at 4 different actions 159 times. Found 52 fixpoints after 5 different actions. Largest state had 53 variables. [2018-08-08 03:30:53,474 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 03:30:53,630 INFO L232 lantSequenceWeakener]: Weakened 29 states. On average, predicates are now at 75.81% of their original sizes. [2018-08-08 03:30:53,630 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 03:30:54,555 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 03:30:54,555 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 03:30:54,555 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-08-08 03:30:54,555 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 03:30:54,555 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-08-08 03:30:54,556 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-08-08 03:30:54,556 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2018-08-08 03:30:54,556 INFO L87 Difference]: Start difference. First operand 88 states and 111 transitions. Second operand 11 states. [2018-08-08 03:30:55,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 03:30:55,061 INFO L93 Difference]: Finished difference Result 164 states and 212 transitions. [2018-08-08 03:30:55,062 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-08-08 03:30:55,062 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 46 [2018-08-08 03:30:55,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 03:30:55,064 INFO L225 Difference]: With dead ends: 164 [2018-08-08 03:30:55,064 INFO L226 Difference]: Without dead ends: 109 [2018-08-08 03:30:55,065 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 50 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=58, Invalid=182, Unknown=0, NotChecked=0, Total=240 [2018-08-08 03:30:55,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2018-08-08 03:30:55,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 89. [2018-08-08 03:30:55,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2018-08-08 03:30:55,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 112 transitions. [2018-08-08 03:30:55,077 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 112 transitions. Word has length 46 [2018-08-08 03:30:55,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 03:30:55,078 INFO L480 AbstractCegarLoop]: Abstraction has 89 states and 112 transitions. [2018-08-08 03:30:55,078 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-08-08 03:30:55,078 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 112 transitions. [2018-08-08 03:30:55,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-08-08 03:30:55,079 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 03:30:55,079 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-08-08 03:30:55,079 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i____VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-08 03:30:55,080 INFO L82 PathProgramCache]: Analyzing trace with hash 27309324, now seen corresponding path program 1 times [2018-08-08 03:30:55,080 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 03:30:55,080 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 47 with the following transitions: [2018-08-08 03:30:55,080 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [13], [17], [19], [22], [24], [28], [30], [34], [37], [41], [45], [47], [59], [63], [69], [72], [80], [84], [88], [95], [97], [99], [104], [113], [117], [120], [122], [124], [128], [132], [135], [137], [143], [145], [146], [147], [149] [2018-08-08 03:30:55,082 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-08-08 03:30:55,082 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 03:31:03,279 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 03:31:03,279 INFO L272 AbstractInterpreter]: Visited 41 different actions 2592 times. Merged at 27 different actions 2069 times. Widened at 5 different actions 261 times. Found 336 fixpoints after 11 different actions. Largest state had 53 variables. [2018-08-08 03:31:03,288 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 03:31:03,439 INFO L232 lantSequenceWeakener]: Weakened 44 states. On average, predicates are now at 75.16% of their original sizes. [2018-08-08 03:31:03,440 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 03:31:03,779 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 03:31:03,780 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 03:31:03,780 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2018-08-08 03:31:03,780 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 03:31:03,780 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-08-08 03:31:03,781 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-08-08 03:31:03,781 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2018-08-08 03:31:03,781 INFO L87 Difference]: Start difference. First operand 89 states and 112 transitions. Second operand 17 states. [2018-08-08 03:31:04,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 03:31:04,873 INFO L93 Difference]: Finished difference Result 174 states and 227 transitions. [2018-08-08 03:31:04,873 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-08-08 03:31:04,874 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 46 [2018-08-08 03:31:04,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 03:31:04,874 INFO L225 Difference]: With dead ends: 174 [2018-08-08 03:31:04,875 INFO L226 Difference]: Without dead ends: 0 [2018-08-08 03:31:04,876 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 53 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=96, Invalid=504, Unknown=0, NotChecked=0, Total=600 [2018-08-08 03:31:04,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-08-08 03:31:04,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-08-08 03:31:04,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-08-08 03:31:04,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-08-08 03:31:04,878 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 46 [2018-08-08 03:31:04,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 03:31:04,878 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-08-08 03:31:04,878 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-08-08 03:31:04,878 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-08-08 03:31:04,879 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-08-08 03:31:04,884 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-08-08 03:31:05,171 WARN L170 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 114 [2018-08-08 03:31:05,385 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-08-08 03:31:05,433 WARN L170 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 113 [2018-08-08 03:31:05,569 WARN L170 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 108 [2018-08-08 03:31:05,834 WARN L170 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 14 [2018-08-08 03:31:06,052 WARN L170 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 14 [2018-08-08 03:31:06,878 WARN L170 SmtUtils]: Spent 823.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 44 [2018-08-08 03:31:07,174 WARN L170 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 34 [2018-08-08 03:31:07,441 WARN L170 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 26 [2018-08-08 03:31:07,897 WARN L170 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 43 [2018-08-08 03:31:07,901 INFO L422 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-08-08 03:31:07,901 INFO L425 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-08-08 03:31:07,902 INFO L422 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-08-08 03:31:07,902 INFO L422 ceAbstractionStarter]: For program point L60-1(line 60) no Hoare annotation was computed. [2018-08-08 03:31:07,902 INFO L422 ceAbstractionStarter]: For program point L60-2(line 60) no Hoare annotation was computed. [2018-08-08 03:31:07,902 INFO L422 ceAbstractionStarter]: For program point L60-3(line 60) no Hoare annotation was computed. [2018-08-08 03:31:07,902 INFO L422 ceAbstractionStarter]: For program point L56(line 56) no Hoare annotation was computed. [2018-08-08 03:31:07,902 INFO L422 ceAbstractionStarter]: For program point L60-5(line 60) no Hoare annotation was computed. [2018-08-08 03:31:07,902 INFO L422 ceAbstractionStarter]: For program point __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i__parse_expression_listFINAL(lines 48 76) no Hoare annotation was computed. [2018-08-08 03:31:07,902 INFO L422 ceAbstractionStarter]: For program point L60-7(line 60) no Hoare annotation was computed. [2018-08-08 03:31:07,902 INFO L422 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-08-08 03:31:07,902 INFO L418 ceAbstractionStarter]: At program point L60-9(line 60) the Hoare annotation is: (or (not (= |__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i__parse_expression_list_#in~str.offset| 0)) (and (not (= |__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i__parse_expression_list_~#str2~0.base| 0)) (<= |__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i__parse_expression_list_~#str2~0.offset| __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i__parse_expression_list_~start~0) (not (= __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i__parse_expression_list_~str.base 0)) (<= 0 (+ __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i__parse_expression_list_~str.offset __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i__parse_expression_list_~i~0)) (<= __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i__parse_expression_list_~str.offset |__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i__parse_expression_list_~#str2~0.offset|) (= __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i__parse_expression_list_~str.offset 0) (<= (* 2 |__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i__parse_expression_list_~#str2~0.offset|) 0)) (= |__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i__parse_expression_list_#in~str.base| 0)) [2018-08-08 03:31:07,903 INFO L422 ceAbstractionStarter]: For program point L60-10(line 60) no Hoare annotation was computed. [2018-08-08 03:31:07,903 INFO L422 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-08-08 03:31:07,903 INFO L422 ceAbstractionStarter]: For program point L61-2(line 61) no Hoare annotation was computed. [2018-08-08 03:31:07,903 INFO L422 ceAbstractionStarter]: For program point L61-4(lines 55 73) no Hoare annotation was computed. [2018-08-08 03:31:07,903 INFO L422 ceAbstractionStarter]: For program point L57-1(line 57) no Hoare annotation was computed. [2018-08-08 03:31:07,903 INFO L422 ceAbstractionStarter]: For program point L57-2(line 57) no Hoare annotation was computed. [2018-08-08 03:31:07,903 INFO L422 ceAbstractionStarter]: For program point L57-4(line 57) no Hoare annotation was computed. [2018-08-08 03:31:07,903 INFO L422 ceAbstractionStarter]: For program point L53-1(lines 53 74) no Hoare annotation was computed. [2018-08-08 03:31:07,903 INFO L418 ceAbstractionStarter]: At program point L57-6(line 57) the Hoare annotation is: (let ((.cse0 (not (= |__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i__parse_expression_list_~#str2~0.base| 0))) (.cse1 (not (= __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i__parse_expression_list_~str.base 0))) (.cse2 (<= 0 (+ __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i__parse_expression_list_~str.offset __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i__parse_expression_list_~i~0))) (.cse3 (<= __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i__parse_expression_list_~str.offset |__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i__parse_expression_list_~#str2~0.offset|)) (.cse4 (= __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i__parse_expression_list_~str.offset 0)) (.cse5 (<= (* 2 |__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i__parse_expression_list_~#str2~0.offset|) 0))) (or (not (= |__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i__parse_expression_list_#in~str.offset| 0)) (and .cse0 (<= 0 (+ __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i__parse_expression_list_~start~0 |__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i__parse_expression_list_~#str2~0.offset|)) .cse1 .cse2 (<= |__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i__parse_expression_list_~#str2~0.offset| (+ __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i__parse_expression_list_~j~0 1)) .cse3 .cse4 .cse5) (= |__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i__parse_expression_list_#in~str.base| 0) (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= (+ __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i__parse_expression_list_~str.offset 1) __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i__parse_expression_list_~start~0) .cse5))) [2018-08-08 03:31:07,904 INFO L422 ceAbstractionStarter]: For program point L53-2(lines 53 74) no Hoare annotation was computed. [2018-08-08 03:31:07,904 INFO L422 ceAbstractionStarter]: For program point L57-7(line 57) no Hoare annotation was computed. [2018-08-08 03:31:07,904 INFO L418 ceAbstractionStarter]: At program point L53-4(lines 53 74) the Hoare annotation is: (let ((.cse2 (<= 0 (+ __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i__parse_expression_list_~str.offset __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i__parse_expression_list_~i~0))) (.cse4 (<= __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i__parse_expression_list_~str.offset |__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i__parse_expression_list_~#str2~0.offset|)) (.cse5 (= __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i__parse_expression_list_~str.offset 0)) (.cse0 (not (= |__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i__parse_expression_list_~#str2~0.base| 0))) (.cse1 (not (= __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i__parse_expression_list_~str.base 0))) (.cse3 (+ __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i__parse_expression_list_~j~0 1)) (.cse6 (<= (* 2 |__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i__parse_expression_list_~#str2~0.offset|) 0))) (or (not (= |__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i__parse_expression_list_#in~str.offset| 0)) (and .cse0 (<= 0 (+ __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i__parse_expression_list_~start~0 |__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i__parse_expression_list_~#str2~0.offset|)) .cse1 .cse2 (<= |__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i__parse_expression_list_~#str2~0.offset| .cse3) .cse4 .cse5 .cse6) (= |__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i__parse_expression_list_#in~str.base| 0) (and .cse0 .cse1 .cse2 .cse4 .cse5 (<= (+ __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i__parse_expression_list_~str.offset 1) __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i__parse_expression_list_~start~0) .cse6) (and .cse0 .cse1 (<= .cse3 __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i__parse_expression_list_~start~0) (<= |__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i__parse_expression_list_~#str2~0.offset| __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i__parse_expression_list_~str.offset) (<= (+ __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i__parse_expression_list_~start~0 __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i__parse_expression_list_~str.offset) 0) (<= 0 (+ |__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i__parse_expression_list_~#str2~0.offset| __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i__parse_expression_list_~j~0 1)) (<= __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i__parse_expression_list_~start~0 |__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i__parse_expression_list_~#str2~0.offset|) .cse6 (<= __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i__parse_expression_list_~start~0 (+ __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i__parse_expression_list_~i~0 1))))) [2018-08-08 03:31:07,904 INFO L422 ceAbstractionStarter]: For program point L53-5(lines 53 74) no Hoare annotation was computed. [2018-08-08 03:31:07,904 INFO L422 ceAbstractionStarter]: For program point L62(lines 62 71) no Hoare annotation was computed. [2018-08-08 03:31:07,904 INFO L422 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-08-08 03:31:07,905 INFO L422 ceAbstractionStarter]: For program point L58-2(line 58) no Hoare annotation was computed. [2018-08-08 03:31:07,905 INFO L418 ceAbstractionStarter]: At program point L67(line 67) the Hoare annotation is: (let ((.cse1 (not (= __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i__parse_expression_list_~str.base 0))) (.cse0 (not (= |__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i__parse_expression_list_~#str2~0.base| 0))) (.cse2 (<= (* 2 |__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i__parse_expression_list_~#str2~0.offset|) 0))) (or (not (= |__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i__parse_expression_list_#in~str.offset| 0)) (and .cse0 (<= __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i__parse_expression_list_~start~0 __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i__parse_expression_list_~j~0) .cse1 (<= __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i__parse_expression_list_~j~0 __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i__parse_expression_list_~start~0) (<= 0 (+ __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i__parse_expression_list_~str.offset __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i__parse_expression_list_~i~0)) (<= __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i__parse_expression_list_~str.offset |__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i__parse_expression_list_~#str2~0.offset|) (= __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i__parse_expression_list_~str.offset 0) (<= (+ __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i__parse_expression_list_~str.offset 1) __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i__parse_expression_list_~start~0) .cse2) (and .cse1 .cse0 (and (<= __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i__parse_expression_list_~start~0 __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i__parse_expression_list_~i~0) (<= __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i__parse_expression_list_~start~0 __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i__parse_expression_list_~str.offset) (<= (+ __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i__parse_expression_list_~start~0 __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i__parse_expression_list_~str.offset) 0) (<= 0 (+ __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i__parse_expression_list_~start~0 __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i__parse_expression_list_~j~0)) (<= (* 2 __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i__parse_expression_list_~j~0) 0) (<= 0 (+ |__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i__parse_expression_list_~#str2~0.offset| __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i__parse_expression_list_~j~0))) .cse2) (= |__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i__parse_expression_list_#in~str.base| 0))) [2018-08-08 03:31:07,905 INFO L422 ceAbstractionStarter]: For program point L67-1(line 67) no Hoare annotation was computed. [2018-08-08 03:31:07,905 INFO L422 ceAbstractionStarter]: For program point L63(lines 63 65) no Hoare annotation was computed. [2018-08-08 03:31:07,905 INFO L422 ceAbstractionStarter]: For program point L55(lines 55 73) no Hoare annotation was computed. [2018-08-08 03:31:07,905 INFO L422 ceAbstractionStarter]: For program point __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i__parse_expression_listEXIT(lines 48 76) no Hoare annotation was computed. [2018-08-08 03:31:07,906 INFO L425 ceAbstractionStarter]: At program point __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i__parse_expression_listENTRY(lines 48 76) the Hoare annotation is: true [2018-08-08 03:31:07,906 INFO L422 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-08-08 03:31:07,906 INFO L425 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-08-08 03:31:07,906 INFO L425 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-08-08 03:31:07,906 INFO L422 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-08-08 03:31:07,906 INFO L425 ceAbstractionStarter]: At program point mainENTRY(lines 77 88) the Hoare annotation is: true [2018-08-08 03:31:07,906 INFO L422 ceAbstractionStarter]: For program point mainEXIT(lines 77 88) no Hoare annotation was computed. [2018-08-08 03:31:07,906 INFO L418 ceAbstractionStarter]: At program point L86(line 86) the Hoare annotation is: (and (not (= |main_~#A~0.base| 0)) (<= (+ main_~i~1 |main_~#A~0.offset|) 8) (<= 0 (* 2 main_~i~1)) (= |main_~#A~0.offset| 0)) [2018-08-08 03:31:07,906 INFO L422 ceAbstractionStarter]: For program point L86-1(line 86) no Hoare annotation was computed. [2018-08-08 03:31:07,906 INFO L422 ceAbstractionStarter]: For program point L81-1(lines 81 83) no Hoare annotation was computed. [2018-08-08 03:31:07,907 INFO L422 ceAbstractionStarter]: For program point L81-3(lines 81 83) no Hoare annotation was computed. [2018-08-08 03:31:07,907 INFO L418 ceAbstractionStarter]: At program point L81-4(lines 81 83) the Hoare annotation is: (and (not (= |main_~#A~0.base| 0)) (<= (+ main_~i~1 |main_~#A~0.offset|) 8) (<= 0 (* 2 main_~i~1)) (= |main_~#A~0.offset| 0)) [2018-08-08 03:31:07,907 INFO L422 ceAbstractionStarter]: For program point mainFINAL(lines 77 88) no Hoare annotation was computed. [2018-08-08 03:31:07,907 INFO L422 ceAbstractionStarter]: For program point L81-5(lines 81 83) no Hoare annotation was computed. [2018-08-08 03:31:07,907 INFO L425 ceAbstractionStarter]: At program point __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i____VERIFIER_assertENTRY(lines 4 9) the Hoare annotation is: true [2018-08-08 03:31:07,907 INFO L422 ceAbstractionStarter]: For program point L6(line 6) no Hoare annotation was computed. [2018-08-08 03:31:07,907 INFO L422 ceAbstractionStarter]: For program point __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i____VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2018-08-08 03:31:07,907 INFO L422 ceAbstractionStarter]: For program point L5(lines 5 7) no Hoare annotation was computed. [2018-08-08 03:31:07,907 INFO L422 ceAbstractionStarter]: For program point __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_veris_c_OpenSER__cases__stripFullBoth_arr_true_unreach_call_true_termination_i____VERIFIER_assertEXIT(lines 4 9) no Hoare annotation was computed. [2018-08-08 03:31:07,908 INFO L422 ceAbstractionStarter]: For program point L5-2(lines 4 9) no Hoare annotation was computed. [2018-08-08 03:31:07,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.08 03:31:07 BoogieIcfgContainer [2018-08-08 03:31:07,926 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-08-08 03:31:07,927 INFO L168 Benchmark]: Toolchain (without parser) took 48327.27 ms. Allocated memory was 1.5 GB in the beginning and 4.2 GB in the end (delta: 2.7 GB). Free memory was 1.4 GB in the beginning and 2.4 GB in the end (delta: -1.0 GB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2018-08-08 03:31:07,929 INFO L168 Benchmark]: CDTParser took 0.21 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 03:31:07,929 INFO L168 Benchmark]: CACSL2BoogieTranslator took 308.61 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. [2018-08-08 03:31:07,930 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.68 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 03:31:07,930 INFO L168 Benchmark]: Boogie Preprocessor took 37.18 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 03:31:07,931 INFO L168 Benchmark]: RCFGBuilder took 868.36 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: -761.9 MB). Peak memory consumption was 16.6 MB. Max. memory is 7.1 GB. [2018-08-08 03:31:07,932 INFO L168 Benchmark]: TraceAbstraction took 47046.38 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.2 GB in the beginning and 2.4 GB in the end (delta: -255.3 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2018-08-08 03:31:07,936 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 308.61 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 61.68 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 37.18 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 868.36 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: -761.9 MB). Peak memory consumption was 16.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 47046.38 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.2 GB in the beginning and 2.4 GB in the end (delta: -255.3 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 6]: 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: 81]: Loop Invariant Derived loop invariant: ((!(A == 0) && i + A <= 8) && 0 <= 2 * i) && A == 0 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: (((!(str == 0) || (((((((!(str2 == 0) && 0 <= start + str2) && !(str == 0)) && 0 <= str + i) && str2 <= j + 1) && str <= str2) && str == 0) && 2 * str2 <= 0)) || str == 0) || ((((((!(str2 == 0) && !(str == 0)) && 0 <= str + i) && str <= str2) && str == 0) && str + 1 <= start) && 2 * str2 <= 0)) || ((((((((!(str2 == 0) && !(str == 0)) && j + 1 <= start) && str2 <= str) && start + str <= 0) && 0 <= str2 + j + 1) && start <= str2) && 2 * str2 <= 0) && start <= i + 1) - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: ((!(str == 0) || (((((((!(str2 == 0) && 0 <= start + str2) && !(str == 0)) && 0 <= str + i) && str2 <= j + 1) && str <= str2) && str == 0) && 2 * str2 <= 0)) || str == 0) || ((((((!(str2 == 0) && !(str == 0)) && 0 <= str + i) && str <= str2) && str == 0) && str + 1 <= start) && 2 * str2 <= 0) - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: (!(str == 0) || ((((((!(str2 == 0) && str2 <= start) && !(str == 0)) && 0 <= str + i) && str <= str2) && str == 0) && 2 * str2 <= 0)) || str == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 53 locations, 1 error locations. SAFE Result, 46.9s OverallTime, 12 OverallIterations, 2 TraceHistogramMax, 8.8s AutomataDifference, 0.0s DeadEndRemovalTime, 3.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 568 SDtfs, 1355 SDslu, 2816 SDs, 0 SdLazy, 2470 SolverSat, 239 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.2s Time, PredicateUnifierStatistics: 24 DeclaredPredicates, 516 GetRequests, 354 SyntacticMatches, 0 SemanticMatches, 162 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 478 ImplicationChecksByTransitivity, 7.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=89occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 27.4s AbstIntTime, 12 AbstIntIterations, 12 AbstIntStrong, 0.9497408805469405 AbsIntWeakeningRatio, 2.3 AbsIntAvgWeakeningVarsNumRemoved, 162.27608695652174 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 12 MinimizatonAttempts, 186 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 37 PreInvPairs, 62 NumberOfFragments, 350 HoareAnnotationTreeSize, 37 FomulaSimplifications, 192674 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 12 FomulaSimplificationsInter, 2653 FormulaSimplificationTreeSizeReductionInter, 2.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: No data available, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/veris.c_OpenSER__cases1_stripFullBoth_arr_true-unreach-call_true-termination.i_svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-08-08_03-31-07-958.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/veris.c_OpenSER__cases1_stripFullBoth_arr_true-unreach-call_true-termination.i_svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-08-08_03-31-07-958.csv Received shutdown request...