java -Xmx8000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-old.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem15_label26_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dd2f093 [2018-07-23 22:39:34,042 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 22:39:34,044 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 22:39:34,060 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 22:39:34,061 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 22:39:34,062 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 22:39:34,063 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 22:39:34,065 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 22:39:34,066 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 22:39:34,067 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 22:39:34,068 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 22:39:34,068 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 22:39:34,071 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 22:39:34,072 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 22:39:34,073 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 22:39:34,074 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 22:39:34,077 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 22:39:34,080 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 22:39:34,082 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 22:39:34,089 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 22:39:34,093 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 22:39:34,095 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 22:39:34,098 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-23 22:39:34,098 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-23 22:39:34,098 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-23 22:39:34,103 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-23 22:39:34,104 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-23 22:39:34,105 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-23 22:39:34,108 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-23 22:39:34,109 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-23 22:39:34,109 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-23 22:39:34,113 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-23 22:39:34,113 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-23 22:39:34,113 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-23 22:39:34,115 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-23 22:39:34,116 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-23 22:39:34,117 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-old.epf [2018-07-23 22:39:34,146 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 22:39:34,148 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 22:39:34,149 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-23 22:39:34,150 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-23 22:39:34,150 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-23 22:39:34,150 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-23 22:39:34,150 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-23 22:39:34,150 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-23 22:39:34,151 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-23 22:39:34,151 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-23 22:39:34,151 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-23 22:39:34,152 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-23 22:39:34,152 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-23 22:39:34,152 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-23 22:39:34,153 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-23 22:39:34,153 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-23 22:39:34,153 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-23 22:39:34,153 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-23 22:39:34,155 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-23 22:39:34,155 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-23 22:39:34,155 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-23 22:39:34,156 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-23 22:39:34,156 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-23 22:39:34,156 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-23 22:39:34,156 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 22:39:34,156 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-23 22:39:34,157 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-23 22:39:34,157 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-07-23 22:39:34,157 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-23 22:39:34,157 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-23 22:39:34,157 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 22:39:34,157 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-23 22:39:34,158 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-23 22:39:34,210 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 22:39:34,227 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 22:39:34,233 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 22:39:34,235 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-23 22:39:34,236 INFO L276 PluginConnector]: CDTParser initialized [2018-07-23 22:39:34,237 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem15_label26_true-unreach-call.c [2018-07-23 22:39:34,597 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8cf1f38dd/6adeda79c287412c800535896f3149cd/FLAG85c095db0 [2018-07-23 22:39:34,968 INFO L276 CDTParser]: Found 1 translation units. [2018-07-23 22:39:34,969 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem15_label26_true-unreach-call.c [2018-07-23 22:39:34,997 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8cf1f38dd/6adeda79c287412c800535896f3149cd/FLAG85c095db0 [2018-07-23 22:39:35,020 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8cf1f38dd/6adeda79c287412c800535896f3149cd [2018-07-23 22:39:35,033 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 22:39:35,035 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-23 22:39:35,038 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-23 22:39:35,039 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-23 22:39:35,047 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-23 22:39:35,048 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 10:39:35" (1/1) ... [2018-07-23 22:39:35,052 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@783c4b7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:39:35, skipping insertion in model container [2018-07-23 22:39:35,052 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 10:39:35" (1/1) ... [2018-07-23 22:39:35,324 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-23 22:39:35,976 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-23 22:39:35,993 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-23 22:39:36,288 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-23 22:39:36,451 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:39:36 WrapperNode [2018-07-23 22:39:36,451 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-23 22:39:36,453 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-23 22:39:36,453 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-23 22:39:36,453 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-23 22:39:36,463 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:39:36" (1/1) ... [2018-07-23 22:39:36,534 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:39:36" (1/1) ... [2018-07-23 22:39:36,721 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-23 22:39:36,722 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 22:39:36,722 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 22:39:36,722 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 22:39:37,160 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:39:36" (1/1) ... [2018-07-23 22:39:37,160 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:39:36" (1/1) ... [2018-07-23 22:39:37,182 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:39:36" (1/1) ... [2018-07-23 22:39:37,182 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:39:36" (1/1) ... [2018-07-23 22:39:37,290 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:39:36" (1/1) ... [2018-07-23 22:39:37,321 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:39:36" (1/1) ... [2018-07-23 22:39:37,359 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:39:36" (1/1) ... [2018-07-23 22:39:37,400 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 22:39:37,401 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 22:39:37,401 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 22:39:37,401 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 22:39:37,402 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:39:36" (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 [2018-07-23 22:39:37,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-23 22:39:37,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-23 22:39:37,470 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 [2018-07-23 22:39:37,471 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 [2018-07-23 22:39:37,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-23 22:39:37,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-23 22:39:37,471 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-23 22:39:37,471 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-23 22:39:37,472 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 [2018-07-23 22:39:37,472 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 [2018-07-23 22:39:44,796 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-23 22:39:44,797 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 10:39:44 BoogieIcfgContainer [2018-07-23 22:39:44,798 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 22:39:44,799 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 22:39:44,799 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 22:39:44,804 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 22:39:44,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 10:39:35" (1/3) ... [2018-07-23 22:39:44,805 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65ba793d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 10:39:44, skipping insertion in model container [2018-07-23 22:39:44,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:39:36" (2/3) ... [2018-07-23 22:39:44,806 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65ba793d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 10:39:44, skipping insertion in model container [2018-07-23 22:39:44,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 10:39:44" (3/3) ... [2018-07-23 22:39:44,808 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem15_label26_true-unreach-call.c [2018-07-23 22:39:44,818 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-23 22:39:44,827 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 22:39:44,882 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 22:39:44,883 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 22:39:44,883 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 22:39:44,884 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-23 22:39:44,884 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-23 22:39:44,884 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 22:39:44,884 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 22:39:44,884 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 22:39:44,885 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 22:39:44,916 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states. [2018-07-23 22:39:44,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-07-23 22:39:44,927 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 22:39:44,928 INFO L353 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] [2018-07-23 22:39:44,928 INFO L414 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 22:39:44,934 INFO L82 PathProgramCache]: Analyzing trace with hash -155037732, now seen corresponding path program 1 times [2018-07-23 22:39:44,937 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 22:39:44,989 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:39:44,989 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 22:39:44,989 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:39:44,989 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 22:39:45,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 22:39:45,498 WARN L169 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 8 DAG size of output: 3 [2018-07-23 22:39:45,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 22:39:45,572 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 22:39:45,572 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-23 22:39:45,572 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 22:39:45,590 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-23 22:39:45,621 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-23 22:39:45,622 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-23 22:39:45,628 INFO L87 Difference]: Start difference. First operand 438 states. Second operand 4 states. [2018-07-23 22:39:54,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 22:39:54,760 INFO L93 Difference]: Finished difference Result 1558 states and 2849 transitions. [2018-07-23 22:39:54,760 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-23 22:39:54,762 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 60 [2018-07-23 22:39:54,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 22:39:54,789 INFO L225 Difference]: With dead ends: 1558 [2018-07-23 22:39:54,789 INFO L226 Difference]: Without dead ends: 1114 [2018-07-23 22:39:54,802 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-23 22:39:54,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1114 states. [2018-07-23 22:39:54,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1114 to 1091. [2018-07-23 22:39:54,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1091 states. [2018-07-23 22:39:54,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1091 states to 1091 states and 1853 transitions. [2018-07-23 22:39:54,923 INFO L78 Accepts]: Start accepts. Automaton has 1091 states and 1853 transitions. Word has length 60 [2018-07-23 22:39:54,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 22:39:54,924 INFO L471 AbstractCegarLoop]: Abstraction has 1091 states and 1853 transitions. [2018-07-23 22:39:54,924 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-23 22:39:54,925 INFO L276 IsEmpty]: Start isEmpty. Operand 1091 states and 1853 transitions. [2018-07-23 22:39:54,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-07-23 22:39:54,936 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 22:39:54,939 INFO L353 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, 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] [2018-07-23 22:39:54,940 INFO L414 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 22:39:54,940 INFO L82 PathProgramCache]: Analyzing trace with hash -286490358, now seen corresponding path program 1 times [2018-07-23 22:39:54,940 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 22:39:54,943 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:39:54,943 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 22:39:54,943 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:39:54,944 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 22:39:55,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 22:39:55,361 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 22:39:55,362 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 22:39:55,362 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-07-23 22:39:55,363 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 22:39:55,365 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-23 22:39:55,367 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-23 22:39:55,368 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-07-23 22:39:55,368 INFO L87 Difference]: Start difference. First operand 1091 states and 1853 transitions. Second operand 5 states. [2018-07-23 22:40:08,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 22:40:08,783 INFO L93 Difference]: Finished difference Result 4063 states and 7149 transitions. [2018-07-23 22:40:08,790 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-07-23 22:40:08,791 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 133 [2018-07-23 22:40:08,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 22:40:08,818 INFO L225 Difference]: With dead ends: 4063 [2018-07-23 22:40:08,818 INFO L226 Difference]: Without dead ends: 2978 [2018-07-23 22:40:08,835 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-07-23 22:40:08,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2978 states. [2018-07-23 22:40:08,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2978 to 2940. [2018-07-23 22:40:08,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2940 states. [2018-07-23 22:40:08,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2940 states to 2940 states and 4059 transitions. [2018-07-23 22:40:08,979 INFO L78 Accepts]: Start accepts. Automaton has 2940 states and 4059 transitions. Word has length 133 [2018-07-23 22:40:08,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 22:40:08,980 INFO L471 AbstractCegarLoop]: Abstraction has 2940 states and 4059 transitions. [2018-07-23 22:40:08,980 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-23 22:40:08,981 INFO L276 IsEmpty]: Start isEmpty. Operand 2940 states and 4059 transitions. [2018-07-23 22:40:08,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-07-23 22:40:08,988 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 22:40:08,989 INFO L353 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, 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] [2018-07-23 22:40:08,989 INFO L414 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 22:40:08,989 INFO L82 PathProgramCache]: Analyzing trace with hash -732739078, now seen corresponding path program 1 times [2018-07-23 22:40:08,990 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 22:40:08,991 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:40:08,991 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 22:40:08,991 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:40:08,992 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 22:40:09,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 22:40:09,246 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 22:40:09,247 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 22:40:09,247 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-23 22:40:09,247 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 22:40:09,248 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-23 22:40:09,248 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-23 22:40:09,248 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-23 22:40:09,249 INFO L87 Difference]: Start difference. First operand 2940 states and 4059 transitions. Second operand 4 states. [2018-07-23 22:40:16,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 22:40:16,230 INFO L93 Difference]: Finished difference Result 10889 states and 15486 transitions. [2018-07-23 22:40:16,235 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-23 22:40:16,236 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 141 [2018-07-23 22:40:16,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 22:40:16,295 INFO L225 Difference]: With dead ends: 10889 [2018-07-23 22:40:16,296 INFO L226 Difference]: Without dead ends: 7955 [2018-07-23 22:40:16,327 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-23 22:40:16,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7955 states. [2018-07-23 22:40:16,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7955 to 7334. [2018-07-23 22:40:16,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7334 states. [2018-07-23 22:40:16,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7334 states to 7334 states and 9685 transitions. [2018-07-23 22:40:16,576 INFO L78 Accepts]: Start accepts. Automaton has 7334 states and 9685 transitions. Word has length 141 [2018-07-23 22:40:16,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 22:40:16,577 INFO L471 AbstractCegarLoop]: Abstraction has 7334 states and 9685 transitions. [2018-07-23 22:40:16,577 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-23 22:40:16,577 INFO L276 IsEmpty]: Start isEmpty. Operand 7334 states and 9685 transitions. [2018-07-23 22:40:16,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-07-23 22:40:16,584 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 22:40:16,585 INFO L353 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, 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] [2018-07-23 22:40:16,585 INFO L414 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 22:40:16,585 INFO L82 PathProgramCache]: Analyzing trace with hash 2141240502, now seen corresponding path program 1 times [2018-07-23 22:40:16,585 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 22:40:16,586 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:40:16,587 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 22:40:16,587 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:40:16,587 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 22:40:16,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 22:40:16,859 WARN L169 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-23 22:40:17,029 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 22:40:17,030 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 22:40:17,030 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-23 22:40:17,030 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 22:40:17,030 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-23 22:40:17,031 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-23 22:40:17,031 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-23 22:40:17,031 INFO L87 Difference]: Start difference. First operand 7334 states and 9685 transitions. Second operand 6 states. [2018-07-23 22:40:22,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 22:40:22,683 INFO L93 Difference]: Finished difference Result 15638 states and 20847 transitions. [2018-07-23 22:40:22,683 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-23 22:40:22,684 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 160 [2018-07-23 22:40:22,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 22:40:22,730 INFO L225 Difference]: With dead ends: 15638 [2018-07-23 22:40:22,731 INFO L226 Difference]: Without dead ends: 8310 [2018-07-23 22:40:22,772 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-07-23 22:40:22,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8310 states. [2018-07-23 22:40:22,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8310 to 7650. [2018-07-23 22:40:22,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7650 states. [2018-07-23 22:40:22,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7650 states to 7650 states and 9808 transitions. [2018-07-23 22:40:22,955 INFO L78 Accepts]: Start accepts. Automaton has 7650 states and 9808 transitions. Word has length 160 [2018-07-23 22:40:22,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 22:40:22,956 INFO L471 AbstractCegarLoop]: Abstraction has 7650 states and 9808 transitions. [2018-07-23 22:40:22,956 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-23 22:40:22,956 INFO L276 IsEmpty]: Start isEmpty. Operand 7650 states and 9808 transitions. [2018-07-23 22:40:22,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2018-07-23 22:40:22,969 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 22:40:22,969 INFO L353 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, 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] [2018-07-23 22:40:22,970 INFO L414 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 22:40:22,970 INFO L82 PathProgramCache]: Analyzing trace with hash -868249644, now seen corresponding path program 1 times [2018-07-23 22:40:22,970 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 22:40:22,971 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:40:22,971 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 22:40:22,971 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:40:22,972 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 22:40:23,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 22:40:23,752 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 111 proven. 2 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-07-23 22:40:23,753 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 22:40:23,753 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-23 22:40:23,754 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 242 with the following transitions: [2018-07-23 22:40:23,758 INFO L201 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], [381], [383], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [510], [514], [518], [522], [526], [530], [534], [538], [542], [545], [546], [550], [554], [558], [569], [573], [577], [581], [585], [596], [600], [604], [608], [612], [616], [620], [624], [635], [639], [642], [1563], [1567], [1571], [1577], [1581], [1583], [1662], [1663], [1664], [1666], [1667] [2018-07-23 22:40:23,852 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-23 22:40:23,853 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-23 22:40:29,496 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-23 22:40:29,498 INFO L272 AbstractInterpreter]: Visited 105 different actions 105 times. Never merged. Never widened. Never found a fixpoint. Largest state had 24 variables. [2018-07-23 22:40:29,513 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-23 22:40:33,680 INFO L232 lantSequenceWeakener]: Weakened 233 states. On average, predicates are now at 78.18% of their original sizes. [2018-07-23 22:40:33,680 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-23 22:40:34,264 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-23 22:40:34,265 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-23 22:40:34,265 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [7] total 13 [2018-07-23 22:40:34,265 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 22:40:34,266 INFO L450 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-07-23 22:40:34,266 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-07-23 22:40:34,266 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-07-23 22:40:34,267 INFO L87 Difference]: Start difference. First operand 7650 states and 9808 transitions. Second operand 8 states. [2018-07-23 22:40:41,680 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-07-23 22:41:20,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 22:41:20,793 INFO L93 Difference]: Finished difference Result 15604 states and 19964 transitions. [2018-07-23 22:41:20,793 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-07-23 22:41:20,793 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 241 [2018-07-23 22:41:20,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 22:41:20,829 INFO L225 Difference]: With dead ends: 15604 [2018-07-23 22:41:20,829 INFO L226 Difference]: Without dead ends: 7960 [2018-07-23 22:41:20,853 INFO L573 BasicCegarLoop]: 2 DeclaredPredicates, 242 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-07-23 22:41:20,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7960 states. [2018-07-23 22:41:20,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7960 to 7958. [2018-07-23 22:41:20,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7958 states. [2018-07-23 22:41:21,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7958 states to 7958 states and 10125 transitions. [2018-07-23 22:41:21,018 INFO L78 Accepts]: Start accepts. Automaton has 7958 states and 10125 transitions. Word has length 241 [2018-07-23 22:41:21,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 22:41:21,019 INFO L471 AbstractCegarLoop]: Abstraction has 7958 states and 10125 transitions. [2018-07-23 22:41:21,019 INFO L472 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-07-23 22:41:21,020 INFO L276 IsEmpty]: Start isEmpty. Operand 7958 states and 10125 transitions. [2018-07-23 22:41:21,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2018-07-23 22:41:21,035 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 22:41:21,035 INFO L353 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 22:41:21,035 INFO L414 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 22:41:21,036 INFO L82 PathProgramCache]: Analyzing trace with hash -2024019486, now seen corresponding path program 1 times [2018-07-23 22:41:21,036 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 22:41:21,037 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:41:21,037 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 22:41:21,037 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:41:21,038 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 22:41:21,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 22:41:21,782 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 109 proven. 87 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-07-23 22:41:21,782 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 22:41:21,782 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-23 22:41:21,782 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 292 with the following transitions: [2018-07-23 22:41:21,783 INFO L201 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], [381], [383], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [510], [514], [518], [522], [526], [530], [534], [538], [542], [546], [550], [554], [558], [569], [573], [577], [581], [585], [596], [600], [604], [608], [612], [616], [619], [620], [624], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [726], [737], [741], [752], [763], [767], [778], [782], [793], [797], [801], [805], [809], [813], [816], [819], [823], [1563], [1567], [1571], [1577], [1581], [1583], [1662], [1663], [1664], [1666], [1667] [2018-07-23 22:41:21,790 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-23 22:41:21,790 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-23 22:41:25,613 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-07-23 22:41:50,382 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-23 22:41:50,383 INFO L272 AbstractInterpreter]: Visited 141 different actions 545 times. Merged at 5 different actions 14 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-07-23 22:41:50,391 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-23 22:41:53,245 INFO L232 lantSequenceWeakener]: Weakened 287 states. On average, predicates are now at 78.05% of their original sizes. [2018-07-23 22:41:53,245 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-23 22:41:54,799 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-23 22:41:54,799 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-23 22:41:54,799 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [6] total 17 [2018-07-23 22:41:54,799 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 22:41:54,800 INFO L450 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-07-23 22:41:54,800 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-07-23 22:41:54,800 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2018-07-23 22:41:54,801 INFO L87 Difference]: Start difference. First operand 7958 states and 10125 transitions. Second operand 13 states. [2018-07-23 22:43:07,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 22:43:07,130 INFO L93 Difference]: Finished difference Result 16612 states and 21243 transitions. [2018-07-23 22:43:07,131 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-07-23 22:43:07,131 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 291 [2018-07-23 22:43:07,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 22:43:07,159 INFO L225 Difference]: With dead ends: 16612 [2018-07-23 22:43:07,160 INFO L226 Difference]: Without dead ends: 8968 [2018-07-23 22:43:07,176 INFO L573 BasicCegarLoop]: 2 DeclaredPredicates, 303 GetRequests, 249 SyntacticMatches, 30 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 361 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=146, Invalid=504, Unknown=0, NotChecked=0, Total=650 [2018-07-23 22:43:07,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8968 states. [2018-07-23 22:43:07,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8968 to 8552. [2018-07-23 22:43:07,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8552 states. [2018-07-23 22:43:07,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8552 states to 8552 states and 10736 transitions. [2018-07-23 22:43:07,343 INFO L78 Accepts]: Start accepts. Automaton has 8552 states and 10736 transitions. Word has length 291 [2018-07-23 22:43:07,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 22:43:07,344 INFO L471 AbstractCegarLoop]: Abstraction has 8552 states and 10736 transitions. [2018-07-23 22:43:07,344 INFO L472 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-07-23 22:43:07,345 INFO L276 IsEmpty]: Start isEmpty. Operand 8552 states and 10736 transitions. [2018-07-23 22:43:07,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 434 [2018-07-23 22:43:07,366 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 22:43:07,367 INFO L353 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 22:43:07,367 INFO L414 AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 22:43:07,368 INFO L82 PathProgramCache]: Analyzing trace with hash 958996271, now seen corresponding path program 1 times [2018-07-23 22:43:07,368 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 22:43:07,369 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:43:07,369 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 22:43:07,369 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:43:07,369 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 22:43:07,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 22:43:07,948 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 109 proven. 124 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-07-23 22:43:07,949 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 22:43:07,949 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-23 22:43:07,949 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 434 with the following transitions: [2018-07-23 22:43:07,950 INFO L201 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], [381], [383], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [510], [514], [518], [522], [526], [530], [534], [538], [542], [546], [550], [554], [558], [569], [573], [577], [581], [585], [596], [600], [604], [608], [612], [616], [620], [624], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [726], [737], [741], [752], [763], [767], [778], [782], [793], [797], [801], [805], [809], [813], [816], [819], [823], [824], [828], [832], [836], [840], [844], [848], [852], [863], [867], [871], [875], [879], [883], [887], [891], [895], [899], [903], [907], [911], [915], [919], [930], [934], [938], [942], [946], [957], [961], [965], [969], [973], [977], [981], [985], [989], [1000], [1004], [1008], [1012], [1016], [1020], [1024], [1028], [1032], [1036], [1040], [1044], [1048], [1052], [1056], [1060], [1064], [1068], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1119], [1130], [1134], [1138], [1142], [1146], [1157], [1161], [1165], [1169], [1173], [1184], [1188], [1192], [1196], [1200], [1204], [1208], [1212], [1216], [1220], [1224], [1228], [1232], [1236], [1240], [1244], [1248], [1252], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1295], [1299], [1303], [1306], [1563], [1567], [1571], [1577], [1581], [1583], [1662], [1663], [1664], [1666], [1667] [2018-07-23 22:43:07,960 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-23 22:43:07,960 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-23 22:43:22,794 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. Received shutdown request... [2018-07-23 22:43:23,712 WARN L571 FixpointEngine]: Received timeout, aborting fixpoint engine [2018-07-23 22:43:23,713 WARN L158 AbstractInterpreter]: Abstract interpretation run out of time [2018-07-23 22:43:23,714 INFO L419 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-07-23 22:43:23,714 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 22:43:23,714 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-23 22:43:23,722 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 22:43:23,722 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-23 22:43:23,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 22:43:23,907 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-23 22:43:23,931 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2018-07-23 22:43:24,132 WARN L512 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-23 22:43:24,132 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-23 22:43:24,136 WARN L202 ceAbstractionStarter]: Timeout [2018-07-23 22:43:24,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 10:43:24 BoogieIcfgContainer [2018-07-23 22:43:24,137 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 22:43:24,138 INFO L168 Benchmark]: Toolchain (without parser) took 229104.01 ms. Allocated memory was 1.5 GB in the beginning and 4.1 GB in the end (delta: 2.6 GB). Free memory was 1.4 GB in the beginning and 3.0 GB in the end (delta: -1.6 GB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2018-07-23 22:43:24,139 INFO L168 Benchmark]: CDTParser took 0.27 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. [2018-07-23 22:43:24,140 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1413.68 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 116.3 MB). Peak memory consumption was 116.3 MB. Max. memory is 7.1 GB. [2018-07-23 22:43:24,141 INFO L168 Benchmark]: Boogie Procedure Inliner took 268.57 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-07-23 22:43:24,142 INFO L168 Benchmark]: Boogie Preprocessor took 678.41 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 877.7 MB). Free memory was 1.3 GB in the beginning and 2.3 GB in the end (delta: -1.0 GB). Peak memory consumption was 89.6 MB. Max. memory is 7.1 GB. [2018-07-23 22:43:24,143 INFO L168 Benchmark]: RCFGBuilder took 7397.19 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.0 GB in the end (delta: 328.7 MB). Peak memory consumption was 328.7 MB. Max. memory is 7.1 GB. [2018-07-23 22:43:24,144 INFO L168 Benchmark]: TraceAbstraction took 219337.97 ms. Allocated memory was 2.4 GB in the beginning and 4.1 GB in the end (delta: 1.7 GB). Free memory was 2.0 GB in the beginning and 3.0 GB in the end (delta: -1.0 GB). Peak memory consumption was 713.1 MB. Max. memory is 7.1 GB. [2018-07-23 22:43:24,150 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 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 1413.68 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 116.3 MB). Peak memory consumption was 116.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 268.57 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 678.41 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 877.7 MB). Free memory was 1.3 GB in the beginning and 2.3 GB in the end (delta: -1.0 GB). Peak memory consumption was 89.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 7397.19 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.0 GB in the end (delta: 328.7 MB). Peak memory consumption was 328.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 219337.97 ms. Allocated memory was 2.4 GB in the beginning and 4.1 GB in the end (delta: 1.7 GB). Free memory was 2.0 GB in the beginning and 3.0 GB in the end (delta: -1.0 GB). Peak memory consumption was 713.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 166]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 166). Cancelled while BasicCegarLoop was analyzing trace of length 434 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while XnfDer was eliminating 1 quantified variables from 2 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 438 locations, 1 error locations. TIMEOUT Result, 219.2s OverallTime, 7 OverallIterations, 3 TraceHistogramMax, 154.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1762 SDtfs, 8813 SDslu, 1154 SDs, 0 SdLazy, 11255 SolverSat, 2353 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 106.3s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 575 GetRequests, 495 SyntacticMatches, 31 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 373 ImplicationChecksByTransitivity, 3.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8552occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 50.1s AbstIntTime, 3 AbstIntIterations, 2 AbstIntStrong, 0.9959529669127702 AbsIntWeakeningRatio, 0.1 AbsIntAvgWeakeningVarsNumRemoved, 720.954716981132 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 1760 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 1026 NumberOfCodeBlocks, 1026 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 1020 ConstructedInterpolants, 0 QuantifiedInterpolants, 825080 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 4 PerfectInterpolantSequences, 459/548 InterpolantCoveringCapability, 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/Problem15_label26_true-unreach-call.c_svcomp-Reach-64bit-Taipan_Default-old.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-23_22-43-24-169.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem15_label26_true-unreach-call.c_svcomp-Reach-64bit-Taipan_Default-old.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_22-43-24-169.csv Completed graceful shutdown