java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem17_label29_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ddc4263 [2018-08-08 14:38:27,913 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-08-08 14:38:27,915 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-08-08 14:38:27,928 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-08-08 14:38:27,928 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-08-08 14:38:27,929 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-08-08 14:38:27,931 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-08-08 14:38:27,933 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-08-08 14:38:27,934 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-08-08 14:38:27,935 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-08-08 14:38:27,936 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-08-08 14:38:27,937 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-08-08 14:38:27,937 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-08-08 14:38:27,939 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-08-08 14:38:27,940 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-08-08 14:38:27,941 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-08-08 14:38:27,941 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-08-08 14:38:27,943 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-08-08 14:38:27,946 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-08-08 14:38:27,947 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-08-08 14:38:27,948 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-08-08 14:38:27,950 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-08-08 14:38:27,952 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-08-08 14:38:27,953 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-08-08 14:38:27,953 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-08-08 14:38:27,954 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-08-08 14:38:27,955 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-08-08 14:38:27,956 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-08-08 14:38:27,957 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-08-08 14:38:27,958 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-08-08 14:38:27,959 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-08-08 14:38:27,959 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-08-08 14:38:27,960 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-08-08 14:38:27,960 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-08-08 14:38:27,961 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-08-08 14:38:27,962 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-08-08 14:38:27,962 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf [2018-08-08 14:38:27,978 INFO L110 SettingsManager]: Loading preferences was successful [2018-08-08 14:38:27,979 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-08-08 14:38:27,980 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-08-08 14:38:27,980 INFO L133 SettingsManager]: * User list type=DISABLED [2018-08-08 14:38:27,980 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-08-08 14:38:27,980 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-08-08 14:38:27,981 INFO L133 SettingsManager]: * Congruence Domain=false [2018-08-08 14:38:27,981 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-08-08 14:38:27,981 INFO L133 SettingsManager]: * Abstract domain=OctagonDomain [2018-08-08 14:38:27,981 INFO L133 SettingsManager]: * Log string format=TERM [2018-08-08 14:38:27,982 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-08-08 14:38:27,982 INFO L133 SettingsManager]: * Interval Domain=false [2018-08-08 14:38:27,983 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-08-08 14:38:27,983 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-08-08 14:38:27,983 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-08-08 14:38:27,983 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-08-08 14:38:27,983 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-08-08 14:38:27,984 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-08-08 14:38:27,984 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-08-08 14:38:27,984 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-08-08 14:38:27,984 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-08-08 14:38:27,985 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-08-08 14:38:27,985 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-08-08 14:38:27,985 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-08-08 14:38:27,985 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-08-08 14:38:27,985 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-08-08 14:38:27,986 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-08-08 14:38:27,986 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-08-08 14:38:27,986 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-08-08 14:38:27,986 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-08-08 14:38:27,986 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-08-08 14:38:27,987 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-08-08 14:38:27,987 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-08-08 14:38:27,987 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-08-08 14:38:28,055 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-08-08 14:38:28,074 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-08-08 14:38:28,081 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-08-08 14:38:28,082 INFO L271 PluginConnector]: Initializing CDTParser... [2018-08-08 14:38:28,083 INFO L276 PluginConnector]: CDTParser initialized [2018-08-08 14:38:28,084 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem17_label29_true-unreach-call.c [2018-08-08 14:38:28,472 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24ad58dd3/e68b5e889f7643b5b37447eb9b074df8/FLAG69477aafe [2018-08-08 14:38:28,928 INFO L276 CDTParser]: Found 1 translation units. [2018-08-08 14:38:28,929 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem17_label29_true-unreach-call.c [2018-08-08 14:38:28,966 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24ad58dd3/e68b5e889f7643b5b37447eb9b074df8/FLAG69477aafe [2018-08-08 14:38:28,988 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24ad58dd3/e68b5e889f7643b5b37447eb9b074df8 [2018-08-08 14:38:29,003 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-08-08 14:38:29,005 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-08-08 14:38:29,006 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-08-08 14:38:29,007 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-08-08 14:38:29,018 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-08-08 14:38:29,019 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 02:38:28" (1/1) ... [2018-08-08 14:38:29,025 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1751a5aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:38:29, skipping insertion in model container [2018-08-08 14:38:29,025 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 02:38:28" (1/1) ... [2018-08-08 14:38:29,322 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-08-08 14:38:30,061 INFO L175 PostProcessor]: Settings: Checked method=main [2018-08-08 14:38:30,078 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-08-08 14:38:30,498 INFO L175 PostProcessor]: Settings: Checked method=main [2018-08-08 14:38:30,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:38:30 WrapperNode [2018-08-08 14:38:30,727 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-08-08 14:38:30,728 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-08-08 14:38:30,729 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-08-08 14:38:30,729 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-08-08 14:38:30,739 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:38:30" (1/1) ... [2018-08-08 14:38:30,829 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:38:30" (1/1) ... [2018-08-08 14:38:31,043 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-08-08 14:38:31,044 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-08-08 14:38:31,044 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-08-08 14:38:31,044 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-08-08 14:38:31,699 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:38:30" (1/1) ... [2018-08-08 14:38:31,699 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:38:30" (1/1) ... [2018-08-08 14:38:31,737 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:38:30" (1/1) ... [2018-08-08 14:38:31,738 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:38:30" (1/1) ... [2018-08-08 14:38:31,885 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:38:30" (1/1) ... [2018-08-08 14:38:31,924 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:38:30" (1/1) ... [2018-08-08 14:38:31,995 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:38:30" (1/1) ... [2018-08-08 14:38:32,070 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-08-08 14:38:32,072 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-08-08 14:38:32,073 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-08-08 14:38:32,073 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-08-08 14:38:32,074 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:38:30" (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 14:38:32,153 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-08-08 14:38:32,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-08-08 14:38:32,154 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output [2018-08-08 14:38:32,154 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output [2018-08-08 14:38:32,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-08-08 14:38:32,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-08-08 14:38:32,154 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-08-08 14:38:32,155 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-08-08 14:38:32,155 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output2 [2018-08-08 14:38:32,155 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output2 [2018-08-08 14:38:44,790 INFO L273 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-08-08 14:38:44,791 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 02:38:44 BoogieIcfgContainer [2018-08-08 14:38:44,791 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-08-08 14:38:44,793 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-08-08 14:38:44,793 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-08-08 14:38:44,796 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-08-08 14:38:44,797 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.08 02:38:28" (1/3) ... [2018-08-08 14:38:44,798 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cf646cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.08 02:38:44, skipping insertion in model container [2018-08-08 14:38:44,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:38:30" (2/3) ... [2018-08-08 14:38:44,798 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cf646cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.08 02:38:44, skipping insertion in model container [2018-08-08 14:38:44,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 02:38:44" (3/3) ... [2018-08-08 14:38:44,800 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem17_label29_true-unreach-call.c [2018-08-08 14:38:44,811 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-08-08 14:38:44,820 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-08-08 14:38:44,880 INFO L129 ementStrategyFactory]: Using default assertion order modulation [2018-08-08 14:38:44,881 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-08-08 14:38:44,881 INFO L382 AbstractCegarLoop]: Hoare is true [2018-08-08 14:38:44,881 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-08-08 14:38:44,882 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-08-08 14:38:44,882 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-08-08 14:38:44,882 INFO L386 AbstractCegarLoop]: Difference is false [2018-08-08 14:38:44,882 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-08-08 14:38:44,882 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-08-08 14:38:44,919 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states. [2018-08-08 14:38:44,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-08-08 14:38:44,933 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 14:38:44,934 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, 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 14:38:44,935 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-08 14:38:44,943 INFO L82 PathProgramCache]: Analyzing trace with hash -1647348724, now seen corresponding path program 1 times [2018-08-08 14:38:44,945 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 14:38:44,946 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 73 with the following transitions: [2018-08-08 14:38:44,950 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [477], [479], [1574], [1578], [1584], [1588], [2306], [2307], [2308], [2310] [2018-08-08 14:38:45,037 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-08-08 14:38:45,038 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 14:38:48,461 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 14:38:48,463 INFO L272 AbstractInterpreter]: Visited 71 different actions 71 times. Never merged. Never widened. Never found a fixpoint. Largest state had 25 variables. [2018-08-08 14:38:48,515 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 14:38:50,088 INFO L232 lantSequenceWeakener]: Weakened 70 states. On average, predicates are now at 78.16% of their original sizes. [2018-08-08 14:38:50,088 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 14:38:50,474 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 14:38:50,476 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 14:38:50,476 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-08-08 14:38:50,476 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 14:38:50,483 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-08-08 14:38:50,491 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-08-08 14:38:50,492 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-08-08 14:38:50,495 INFO L87 Difference]: Start difference. First operand 604 states. Second operand 6 states. [2018-08-08 14:39:05,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 14:39:05,971 INFO L93 Difference]: Finished difference Result 1642 states and 3016 transitions. [2018-08-08 14:39:05,972 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-08-08 14:39:05,973 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 72 [2018-08-08 14:39:05,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 14:39:06,000 INFO L225 Difference]: With dead ends: 1642 [2018-08-08 14:39:06,001 INFO L226 Difference]: Without dead ends: 1036 [2018-08-08 14:39:06,012 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 71 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-08-08 14:39:06,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1036 states. [2018-08-08 14:39:06,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1036 to 1034. [2018-08-08 14:39:06,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1034 states. [2018-08-08 14:39:06,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 1034 states and 1511 transitions. [2018-08-08 14:39:06,145 INFO L78 Accepts]: Start accepts. Automaton has 1034 states and 1511 transitions. Word has length 72 [2018-08-08 14:39:06,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 14:39:06,147 INFO L480 AbstractCegarLoop]: Abstraction has 1034 states and 1511 transitions. [2018-08-08 14:39:06,148 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-08-08 14:39:06,148 INFO L276 IsEmpty]: Start isEmpty. Operand 1034 states and 1511 transitions. [2018-08-08 14:39:06,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-08-08 14:39:06,160 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 14:39:06,162 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-08-08 14:39:06,163 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-08 14:39:06,163 INFO L82 PathProgramCache]: Analyzing trace with hash 1997618109, now seen corresponding path program 1 times [2018-08-08 14:39:06,164 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 14:39:06,165 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 148 with the following transitions: [2018-08-08 14:39:06,165 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [477], [479], [482], [490], [495], [499], [503], [507], [511], [514], [1570], [1574], [1578], [1584], [1588], [1590], [2306], [2307], [2308], [2310], [2311] [2018-08-08 14:39:06,176 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-08-08 14:39:06,176 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 14:39:09,940 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-08-08 14:39:20,283 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 14:39:20,284 INFO L272 AbstractInterpreter]: Visited 82 different actions 233 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-08-08 14:39:20,322 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 14:39:22,394 INFO L232 lantSequenceWeakener]: Weakened 145 states. On average, predicates are now at 76.58% of their original sizes. [2018-08-08 14:39:22,394 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 14:39:23,721 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 14:39:23,722 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 14:39:23,722 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-08-08 14:39:23,722 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 14:39:23,724 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-08-08 14:39:23,724 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-08-08 14:39:23,724 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2018-08-08 14:39:23,725 INFO L87 Difference]: Start difference. First operand 1034 states and 1511 transitions. Second operand 14 states. [2018-08-08 14:40:23,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 14:40:23,616 INFO L93 Difference]: Finished difference Result 2967 states and 5193 transitions. [2018-08-08 14:40:23,617 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-08-08 14:40:23,617 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 147 [2018-08-08 14:40:23,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 14:40:23,633 INFO L225 Difference]: With dead ends: 2967 [2018-08-08 14:40:23,633 INFO L226 Difference]: Without dead ends: 2373 [2018-08-08 14:40:23,639 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 163 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 199 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=203, Invalid=727, Unknown=0, NotChecked=0, Total=930 [2018-08-08 14:40:23,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2373 states. [2018-08-08 14:40:23,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2373 to 1497. [2018-08-08 14:40:23,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1497 states. [2018-08-08 14:40:23,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1497 states to 1497 states and 2009 transitions. [2018-08-08 14:40:23,696 INFO L78 Accepts]: Start accepts. Automaton has 1497 states and 2009 transitions. Word has length 147 [2018-08-08 14:40:23,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 14:40:23,697 INFO L480 AbstractCegarLoop]: Abstraction has 1497 states and 2009 transitions. [2018-08-08 14:40:23,697 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-08-08 14:40:23,697 INFO L276 IsEmpty]: Start isEmpty. Operand 1497 states and 2009 transitions. [2018-08-08 14:40:23,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-08-08 14:40:23,702 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 14:40:23,702 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-08-08 14:40:23,703 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-08 14:40:23,703 INFO L82 PathProgramCache]: Analyzing trace with hash 885038906, now seen corresponding path program 1 times [2018-08-08 14:40:23,703 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 14:40:23,703 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 161 with the following transitions: [2018-08-08 14:40:23,704 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [477], [479], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [546], [550], [554], [558], [562], [566], [570], [573], [1570], [1574], [1578], [1584], [1588], [1590], [2306], [2307], [2308], [2310], [2311] [2018-08-08 14:40:23,708 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-08-08 14:40:23,709 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 14:40:28,222 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-08-08 14:40:44,395 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 14:40:44,395 INFO L272 AbstractInterpreter]: Visited 95 different actions 272 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-08-08 14:40:44,430 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 14:40:47,098 INFO L232 lantSequenceWeakener]: Weakened 158 states. On average, predicates are now at 76.45% of their original sizes. [2018-08-08 14:40:47,098 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 14:40:58,196 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 14:40:58,196 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 14:40:58,197 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-08-08 14:40:58,197 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 14:40:58,198 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-08-08 14:40:58,198 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-08-08 14:40:58,199 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2018-08-08 14:40:58,199 INFO L87 Difference]: Start difference. First operand 1497 states and 2009 transitions. Second operand 13 states. [2018-08-08 14:41:36,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 14:41:36,284 INFO L93 Difference]: Finished difference Result 2646 states and 4140 transitions. [2018-08-08 14:41:36,289 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-08-08 14:41:36,289 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 160 [2018-08-08 14:41:36,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 14:41:36,302 INFO L225 Difference]: With dead ends: 2646 [2018-08-08 14:41:36,303 INFO L226 Difference]: Without dead ends: 2052 [2018-08-08 14:41:36,306 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 171 GetRequests, 69 SyntacticMatches, 79 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 322 ImplicationChecksByTransitivity, 12.0s TimeCoverageRelationStatistics Valid=146, Invalid=454, Unknown=0, NotChecked=0, Total=600 [2018-08-08 14:41:36,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2052 states. [2018-08-08 14:41:36,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2052 to 1962. [2018-08-08 14:41:36,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1962 states. [2018-08-08 14:41:36,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1962 states to 1962 states and 2620 transitions. [2018-08-08 14:41:36,391 INFO L78 Accepts]: Start accepts. Automaton has 1962 states and 2620 transitions. Word has length 160 [2018-08-08 14:41:36,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 14:41:36,392 INFO L480 AbstractCegarLoop]: Abstraction has 1962 states and 2620 transitions. [2018-08-08 14:41:36,392 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-08-08 14:41:36,392 INFO L276 IsEmpty]: Start isEmpty. Operand 1962 states and 2620 transitions. [2018-08-08 14:41:36,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2018-08-08 14:41:36,401 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 14:41:36,402 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 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] [2018-08-08 14:41:36,402 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-08 14:41:36,402 INFO L82 PathProgramCache]: Analyzing trace with hash 998546411, now seen corresponding path program 1 times [2018-08-08 14:41:36,402 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 14:41:36,403 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 236 with the following transitions: [2018-08-08 14:41:36,403 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [477], [479], [482], [490], [495], [499], [503], [507], [511], [514], [515], [519], [523], [527], [531], [535], [546], [550], [554], [558], [562], [566], [570], [573], [1570], [1574], [1578], [1584], [1588], [1590], [2306], [2307], [2308], [2310], [2311] [2018-08-08 14:41:36,411 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-08-08 14:41:36,411 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 14:41:39,541 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-08-08 14:42:19,646 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 14:42:19,646 INFO L272 AbstractInterpreter]: Visited 96 different actions 650 times. Merged at 7 different actions 44 times. Widened at 1 different actions 1 times. Found 8 fixpoints after 2 different actions. Largest state had 26 variables. [2018-08-08 14:42:19,655 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 14:42:24,307 INFO L232 lantSequenceWeakener]: Weakened 233 states. On average, predicates are now at 76.02% of their original sizes. [2018-08-08 14:42:24,307 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 14:42:36,448 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 14:42:36,449 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 14:42:36,449 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2018-08-08 14:42:36,449 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 14:42:36,450 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-08-08 14:42:36,450 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-08-08 14:42:36,450 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2018-08-08 14:42:36,450 INFO L87 Difference]: Start difference. First operand 1962 states and 2620 transitions. Second operand 15 states. Received shutdown request... [2018-08-08 14:42:43,255 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-08-08 14:42:43,256 WARN L549 AbstractCegarLoop]: Verification canceled [2018-08-08 14:42:43,263 WARN L202 ceAbstractionStarter]: Timeout [2018-08-08 14:42:43,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.08 02:42:43 BoogieIcfgContainer [2018-08-08 14:42:43,264 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-08-08 14:42:43,264 INFO L168 Benchmark]: Toolchain (without parser) took 254261.17 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 3.2 GB in the end (delta: -1.8 GB). Peak memory consumption was 892.9 MB. Max. memory is 7.1 GB. [2018-08-08 14:42:43,266 INFO L168 Benchmark]: CDTParser took 0.22 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 14:42:43,267 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1721.39 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 179.7 MB). Peak memory consumption was 179.7 MB. Max. memory is 7.1 GB. [2018-08-08 14:42:43,268 INFO L168 Benchmark]: Boogie Procedure Inliner took 314.95 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 53.4 MB). Peak memory consumption was 53.4 MB. Max. memory is 7.1 GB. [2018-08-08 14:42:43,268 INFO L168 Benchmark]: Boogie Preprocessor took 1026.47 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 911.2 MB). Free memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 123.6 MB. Max. memory is 7.1 GB. [2018-08-08 14:42:43,269 INFO L168 Benchmark]: RCFGBuilder took 12719.15 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 1.8 GB in the end (delta: 496.0 MB). Peak memory consumption was 496.0 MB. Max. memory is 7.1 GB. [2018-08-08 14:42:43,270 INFO L168 Benchmark]: TraceAbstraction took 238471.06 ms. Allocated memory was 2.4 GB in the beginning and 4.2 GB in the end (delta: 1.8 GB). Free memory was 1.8 GB in the beginning and 3.2 GB in the end (delta: -1.4 GB). Peak memory consumption was 387.8 MB. Max. memory is 7.1 GB. [2018-08-08 14:42:43,275 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1721.39 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 179.7 MB). Peak memory consumption was 179.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 314.95 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 53.4 MB). Peak memory consumption was 53.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 1026.47 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 911.2 MB). Free memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 123.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 12719.15 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 1.8 GB in the end (delta: 496.0 MB). Peak memory consumption was 496.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 238471.06 ms. Allocated memory was 2.4 GB in the beginning and 4.2 GB in the end (delta: 1.8 GB). Free memory was 1.8 GB in the beginning and 3.2 GB in the end (delta: -1.4 GB). Peak memory consumption was 387.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 203]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 203). Cancelled while BasicCegarLoop was constructing difference of abstraction (1962states) and FLOYD_HOARE automaton (currently 14 states, 15 states before enhancement), while ReachableStatesComputation was computing reachable states (245 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 604 locations, 1 error locations. TIMEOUT Result, 238.3s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 120.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1833 SDtfs, 10534 SDslu, 1388 SDs, 0 SdLazy, 15323 SolverSat, 2124 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 110.8s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 650 GetRequests, 422 SyntacticMatches, 148 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 886 ImplicationChecksByTransitivity, 28.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1962occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 81.7s AbstIntTime, 4 AbstIntIterations, 4 AbstIntStrong, 0.9941485918453129 AbsIntWeakeningRatio, 0.1377049180327869 AbsIntAvgWeakeningVarsNumRemoved, 44.05245901639344 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 3 MinimizatonAttempts, 968 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: No data available, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem17_label29_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-08-08_14-42-43-289.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem17_label29_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-08-08_14-42-43-289.csv Completed graceful shutdown