java -Xss4m -Xmx6000000000 -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 ../../../releaseScripts/default/UAutomizer-linux/csv -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem15_label34_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-71425fa [2018-07-21 04:19:50,997 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-21 04:19:51,003 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-21 04:19:51,024 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-21 04:19:51,025 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-21 04:19:51,026 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-21 04:19:51,028 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-21 04:19:51,030 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-21 04:19:51,031 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-21 04:19:51,034 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-21 04:19:51,035 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-21 04:19:51,035 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-21 04:19:51,036 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-21 04:19:51,037 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-21 04:19:51,038 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-21 04:19:51,039 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-21 04:19:51,040 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-21 04:19:51,042 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-21 04:19:51,044 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-21 04:19:51,045 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-21 04:19:51,046 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-21 04:19:51,047 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-21 04:19:51,050 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-21 04:19:51,050 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-21 04:19:51,050 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-21 04:19:51,051 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-21 04:19:51,052 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-21 04:19:51,053 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-21 04:19:51,054 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-21 04:19:51,055 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-21 04:19:51,055 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-21 04:19:51,056 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-21 04:19:51,056 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-21 04:19:51,056 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-21 04:19:51,057 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-21 04:19:51,058 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-21 04:19:51,058 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-07-21 04:19:51,074 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-21 04:19:51,074 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-21 04:19:51,075 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-21 04:19:51,075 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-21 04:19:51,075 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-21 04:19:51,076 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-21 04:19:51,076 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-21 04:19:51,076 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-21 04:19:51,076 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-21 04:19:51,076 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-21 04:19:51,077 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-07-21 04:19:51,077 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-21 04:19:51,077 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-21 04:19:51,078 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-21 04:19:51,078 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-21 04:19:51,078 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-21 04:19:51,078 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-21 04:19:51,078 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-21 04:19:51,079 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-21 04:19:51,079 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-21 04:19:51,079 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-21 04:19:51,079 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-21 04:19:51,079 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-21 04:19:51,080 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-21 04:19:51,080 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-21 04:19:51,080 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-21 04:19:51,080 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-07-21 04:19:51,080 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-21 04:19:51,081 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-21 04:19:51,081 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-07-21 04:19:51,081 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-21 04:19:51,081 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-21 04:19:51,081 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-21 04:19:51,081 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-21 04:19:51,082 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-21 04:19:51,133 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-21 04:19:51,151 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-21 04:19:51,154 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-21 04:19:51,156 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-21 04:19:51,156 INFO L276 PluginConnector]: CDTParser initialized [2018-07-21 04:19:51,157 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem15_label34_false-unreach-call.c [2018-07-21 04:19:51,663 INFO L220 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/74c157472/1ba507f1deb84a27a3a1164ae4be104f/FLAGba5f388fa [2018-07-21 04:19:52,117 INFO L276 CDTParser]: Found 1 translation units. [2018-07-21 04:19:52,118 INFO L158 CDTParser]: Scanning /storage/ultimate/trunk/examples/svcomp/eca-rers2012/Problem15_label34_false-unreach-call.c [2018-07-21 04:19:52,156 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/74c157472/1ba507f1deb84a27a3a1164ae4be104f/FLAGba5f388fa [2018-07-21 04:19:52,399 INFO L332 CDTParser]: Successfully deleted /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/74c157472/1ba507f1deb84a27a3a1164ae4be104f [2018-07-21 04:19:52,409 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-21 04:19:52,414 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-21 04:19:52,416 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-21 04:19:52,416 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-21 04:19:52,427 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-21 04:19:52,428 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 04:19:52" (1/1) ... [2018-07-21 04:19:52,432 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dcdf00a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:19:52, skipping insertion in model container [2018-07-21 04:19:52,432 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 04:19:52" (1/1) ... [2018-07-21 04:19:52,713 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-21 04:19:53,411 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-21 04:19:53,433 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-21 04:19:53,826 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-21 04:19:53,951 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:19:53 WrapperNode [2018-07-21 04:19:53,951 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-21 04:19:53,952 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-21 04:19:53,952 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-21 04:19:53,953 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-21 04:19:53,963 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:19:53" (1/1) ... [2018-07-21 04:19:54,025 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:19:53" (1/1) ... [2018-07-21 04:19:54,206 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-21 04:19:54,206 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-21 04:19:54,206 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-21 04:19:54,207 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-21 04:19:54,217 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:19:53" (1/1) ... [2018-07-21 04:19:54,218 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:19:53" (1/1) ... [2018-07-21 04:19:54,238 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:19:53" (1/1) ... [2018-07-21 04:19:54,239 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:19:53" (1/1) ... [2018-07-21 04:19:54,348 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:19:53" (1/1) ... [2018-07-21 04:19:54,958 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:19:53" (1/1) ... [2018-07-21 04:19:54,999 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:19:53" (1/1) ... [2018-07-21 04:19:55,054 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-21 04:19:55,055 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-21 04:19:55,055 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-21 04:19:55,055 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-21 04:19:55,056 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:19:53" (1/1) ... No working directory specified, using /storage/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 [2018-07-21 04:19:55,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-21 04:19:55,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-21 04:19:55,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-21 04:19:55,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-21 04:19:55,133 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output2 [2018-07-21 04:19:55,133 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output2 [2018-07-21 04:19:55,133 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-21 04:19:55,134 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-21 04:19:55,134 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output [2018-07-21 04:19:55,134 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output [2018-07-21 04:20:06,589 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-21 04:20:06,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 04:20:06 BoogieIcfgContainer [2018-07-21 04:20:06,645 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-21 04:20:06,646 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-21 04:20:06,646 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-21 04:20:06,650 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-21 04:20:06,650 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 04:19:52" (1/3) ... [2018-07-21 04:20:06,651 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@95d824d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 04:20:06, skipping insertion in model container [2018-07-21 04:20:06,651 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:19:53" (2/3) ... [2018-07-21 04:20:06,652 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@95d824d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 04:20:06, skipping insertion in model container [2018-07-21 04:20:06,652 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 04:20:06" (3/3) ... [2018-07-21 04:20:06,654 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem15_label34_false-unreach-call.c [2018-07-21 04:20:06,662 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-21 04:20:06,671 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-21 04:20:06,727 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-21 04:20:06,728 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-21 04:20:06,728 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-21 04:20:06,728 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-21 04:20:06,728 INFO L376 AbstractCegarLoop]: Backedges is TWOTRACK [2018-07-21 04:20:06,728 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-21 04:20:06,728 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-21 04:20:06,729 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-21 04:20:06,730 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-21 04:20:06,764 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states. [2018-07-21 04:20:06,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-07-21 04:20:06,772 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 04:20:06,773 INFO L358 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-21 04:20:06,773 INFO L414 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 04:20:06,779 INFO L82 PathProgramCache]: Analyzing trace with hash -932117188, now seen corresponding path program 1 times [2018-07-21 04:20:06,781 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 04:20:06,833 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 04:20:06,833 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 04:20:06,833 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 04:20:06,833 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 04:20:06,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 04:20:07,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 04:20:07,252 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-21 04:20:07,252 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-21 04:20:07,252 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 04:20:07,257 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-21 04:20:07,270 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-21 04:20:07,270 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-21 04:20:07,273 INFO L87 Difference]: Start difference. First operand 438 states. Second operand 4 states. [2018-07-21 04:20:13,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 04:20:13,741 INFO L93 Difference]: Finished difference Result 1510 states and 2773 transitions. [2018-07-21 04:20:13,741 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-21 04:20:13,742 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2018-07-21 04:20:13,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 04:20:13,771 INFO L225 Difference]: With dead ends: 1510 [2018-07-21 04:20:13,771 INFO L226 Difference]: Without dead ends: 1066 [2018-07-21 04:20:13,781 INFO L578 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 [2018-07-21 04:20:13,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1066 states. [2018-07-21 04:20:13,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1066 to 1064. [2018-07-21 04:20:13,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1064 states. [2018-07-21 04:20:13,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1064 states to 1064 states and 1590 transitions. [2018-07-21 04:20:13,969 INFO L78 Accepts]: Start accepts. Automaton has 1064 states and 1590 transitions. Word has length 20 [2018-07-21 04:20:13,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 04:20:13,969 INFO L471 AbstractCegarLoop]: Abstraction has 1064 states and 1590 transitions. [2018-07-21 04:20:13,969 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-21 04:20:13,971 INFO L276 IsEmpty]: Start isEmpty. Operand 1064 states and 1590 transitions. [2018-07-21 04:20:13,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-07-21 04:20:13,976 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 04:20:13,976 INFO L358 BasicCegarLoop]: trace histogram [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] [2018-07-21 04:20:13,977 INFO L414 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 04:20:13,977 INFO L82 PathProgramCache]: Analyzing trace with hash 485041767, now seen corresponding path program 1 times [2018-07-21 04:20:13,977 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 04:20:13,979 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 04:20:13,982 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 04:20:13,982 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 04:20:13,982 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 04:20:14,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 04:20:14,304 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 04:20:14,305 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-21 04:20:14,305 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-21 04:20:14,305 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 04:20:14,307 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-21 04:20:14,308 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-21 04:20:14,309 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-21 04:20:14,344 INFO L87 Difference]: Start difference. First operand 1064 states and 1590 transitions. Second operand 3 states. [2018-07-21 04:20:20,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 04:20:20,166 INFO L93 Difference]: Finished difference Result 3051 states and 4640 transitions. [2018-07-21 04:20:20,169 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-21 04:20:20,169 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 90 [2018-07-21 04:20:20,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 04:20:20,185 INFO L225 Difference]: With dead ends: 3051 [2018-07-21 04:20:20,185 INFO L226 Difference]: Without dead ends: 1993 [2018-07-21 04:20:20,192 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-21 04:20:20,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1993 states. [2018-07-21 04:20:20,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1993 to 1991. [2018-07-21 04:20:20,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1991 states. [2018-07-21 04:20:20,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1991 states to 1991 states and 2647 transitions. [2018-07-21 04:20:20,280 INFO L78 Accepts]: Start accepts. Automaton has 1991 states and 2647 transitions. Word has length 90 [2018-07-21 04:20:20,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 04:20:20,282 INFO L471 AbstractCegarLoop]: Abstraction has 1991 states and 2647 transitions. [2018-07-21 04:20:20,282 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-21 04:20:20,282 INFO L276 IsEmpty]: Start isEmpty. Operand 1991 states and 2647 transitions. [2018-07-21 04:20:20,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-07-21 04:20:20,288 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 04:20:20,289 INFO L358 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-21 04:20:20,289 INFO L414 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 04:20:20,289 INFO L82 PathProgramCache]: Analyzing trace with hash 1556911597, now seen corresponding path program 1 times [2018-07-21 04:20:20,289 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 04:20:20,290 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 04:20:20,291 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 04:20:20,291 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 04:20:20,291 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 04:20:20,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 04:20:20,720 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 27 proven. 77 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-07-21 04:20:20,721 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-21 04:20:20,721 INFO L189 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-21 04:20:20,722 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 201 with the following transitions: [2018-07-21 04:20:20,724 INFO L201 CegarAbsIntRunner]: [0], [1], [77], [81], [87], [91], [93], [98], [105], [113], [121], [129], [137], [145], [153], [157], [159], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [570], [578], [586], [591], [595], [606], [610], [614], [618], [622], [626], [630], [634], [638], [642], [646], [650], [653], [654], [665], [669], [673], [677], [681], [692], [696], [700], [704], [708], [712], [715], [1659], [1660], [1661], [1662], [1664], [1665] [2018-07-21 04:20:20,798 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-21 04:20:20,798 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-21 04:20:27,130 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-07-21 04:20:39,084 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-21 04:20:39,086 INFO L272 AbstractInterpreter]: Visited 104 different actions 299 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-07-21 04:20:39,148 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-21 04:20:43,256 INFO L232 lantSequenceWeakener]: Weakened 198 states. On average, predicates are now at 77.47% of their original sizes. [2018-07-21 04:20:43,256 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-21 04:20:45,471 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-21 04:20:45,471 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-21 04:20:45,472 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [19] imperfect sequences [6] total 23 [2018-07-21 04:20:45,472 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 04:20:45,473 INFO L450 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-07-21 04:20:45,473 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-07-21 04:20:45,473 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=244, Unknown=0, NotChecked=0, Total=342 [2018-07-21 04:20:45,473 INFO L87 Difference]: Start difference. First operand 1991 states and 2647 transitions. Second operand 19 states. [2018-07-21 04:23:05,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 04:23:05,426 INFO L93 Difference]: Finished difference Result 5538 states and 7134 transitions. [2018-07-21 04:23:05,426 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-07-21 04:23:05,426 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 200 [2018-07-21 04:23:05,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 04:23:05,456 INFO L225 Difference]: With dead ends: 5538 [2018-07-21 04:23:05,456 INFO L226 Difference]: Without dead ends: 3553 [2018-07-21 04:23:05,466 INFO L578 BasicCegarLoop]: 2 DeclaredPredicates, 211 GetRequests, 180 SyntacticMatches, 2 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 217 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=229, Invalid=701, Unknown=0, NotChecked=0, Total=930 [2018-07-21 04:23:05,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3553 states. [2018-07-21 04:23:05,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3553 to 3544. [2018-07-21 04:23:05,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3544 states. [2018-07-21 04:23:05,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3544 states to 3544 states and 4254 transitions. [2018-07-21 04:23:05,624 INFO L78 Accepts]: Start accepts. Automaton has 3544 states and 4254 transitions. Word has length 200 [2018-07-21 04:23:05,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 04:23:05,626 INFO L471 AbstractCegarLoop]: Abstraction has 3544 states and 4254 transitions. [2018-07-21 04:23:05,626 INFO L472 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-07-21 04:23:05,626 INFO L276 IsEmpty]: Start isEmpty. Operand 3544 states and 4254 transitions. [2018-07-21 04:23:05,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2018-07-21 04:23:05,636 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 04:23:05,636 INFO L358 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-21 04:23:05,637 INFO L414 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 04:23:05,637 INFO L82 PathProgramCache]: Analyzing trace with hash -1606917952, now seen corresponding path program 1 times [2018-07-21 04:23:05,637 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 04:23:05,638 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 04:23:05,638 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 04:23:05,638 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 04:23:05,639 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 04:23:05,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 04:23:06,306 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 27 proven. 2 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2018-07-21 04:23:06,306 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-21 04:23:06,306 INFO L189 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-21 04:23:06,306 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 343 with the following transitions: [2018-07-21 04:23:06,307 INFO L201 CegarAbsIntRunner]: [0], [1], [77], [81], [87], [91], [93], [98], [105], [113], [121], [129], [137], [145], [153], [157], [159], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [570], [578], [586], [591], [595], [606], [610], [614], [618], [622], [626], [630], [634], [638], [642], [646], [650], [653], [654], [665], [669], [673], [677], [681], [692], [696], [700], [704], [708], [712], [716], [720], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [791], [795], [799], [803], [807], [811], [822], [833], [837], [848], [859], [863], [874], [878], [889], [893], [897], [901], [905], [909], [920], [924], [928], [932], [936], [940], [944], [948], [959], [963], [967], [971], [975], [979], [983], [987], [991], [995], [999], [1003], [1007], [1011], [1015], [1026], [1030], [1034], [1038], [1042], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1184], [1188], [1192], [1196], [1200], [1204], [1215], [1226], [1230], [1234], [1238], [1242], [1253], [1257], [1261], [1265], [1269], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1360], [1364], [1368], [1372], [1376], [1380], [1391], [1395], [1399], [1402], [1659], [1660], [1661], [1662], [1664], [1665] [2018-07-21 04:23:06,320 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-21 04:23:06,320 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-21 04:23:10,965 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. Received shutdown request... [2018-07-21 04:23:25,338 WARN L571 FixpointEngine]: Received timeout, aborting fixpoint engine [2018-07-21 04:23:25,339 WARN L158 AbstractInterpreter]: Abstract interpretation run out of time [2018-07-21 04:23:25,340 INFO L419 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-07-21 04:23:25,340 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-21 04:23:25,340 INFO L189 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/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 [2018-07-21 04:23:25,349 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 04:23:25,349 INFO L282 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-21 04:23:25,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 04:23:25,500 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-21 04:23:25,520 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2018-07-21 04:23:25,722 WARN L512 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-21 04:23:25,723 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-21 04:23:25,727 WARN L202 ceAbstractionStarter]: Timeout [2018-07-21 04:23:25,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 04:23:25 BoogieIcfgContainer [2018-07-21 04:23:25,727 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-21 04:23:25,728 INFO L168 Benchmark]: Toolchain (without parser) took 213318.87 ms. Allocated memory was 309.3 MB in the beginning and 2.7 GB in the end (delta: 2.4 GB). Free memory was 249.7 MB in the beginning and 1.4 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.2 GB. Max. memory is 5.3 GB. [2018-07-21 04:23:25,729 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 309.3 MB. Free memory is still 273.8 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-07-21 04:23:25,730 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1535.73 ms. Allocated memory was 309.3 MB in the beginning and 329.8 MB in the end (delta: 20.4 MB). Free memory was 249.7 MB in the beginning and 237.5 MB in the end (delta: 12.2 MB). Peak memory consumption was 72.2 MB. Max. memory is 5.3 GB. [2018-07-21 04:23:25,730 INFO L168 Benchmark]: Boogie Procedure Inliner took 253.73 ms. Allocated memory is still 329.8 MB. Free memory was 237.5 MB in the beginning and 197.5 MB in the end (delta: 40.0 MB). Peak memory consumption was 40.0 MB. Max. memory is 5.3 GB. [2018-07-21 04:23:25,731 INFO L168 Benchmark]: Boogie Preprocessor took 848.19 ms. Allocated memory was 329.8 MB in the beginning and 570.9 MB in the end (delta: 241.2 MB). Free memory was 197.5 MB in the beginning and 500.1 MB in the end (delta: -302.6 MB). Peak memory consumption was 57.2 MB. Max. memory is 5.3 GB. [2018-07-21 04:23:25,731 INFO L168 Benchmark]: RCFGBuilder took 11590.43 ms. Allocated memory was 570.9 MB in the beginning and 576.7 MB in the end (delta: 5.8 MB). Free memory was 500.1 MB in the beginning and 377.2 MB in the end (delta: 122.9 MB). Peak memory consumption was 198.6 MB. Max. memory is 5.3 GB. [2018-07-21 04:23:25,732 INFO L168 Benchmark]: TraceAbstraction took 199081.18 ms. Allocated memory was 576.7 MB in the beginning and 2.7 GB in the end (delta: 2.1 GB). Free memory was 377.2 MB in the beginning and 1.4 GB in the end (delta: -1.0 GB). Peak memory consumption was 1.1 GB. Max. memory is 5.3 GB. [2018-07-21 04:23:25,736 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 309.3 MB. Free memory is still 273.8 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 1535.73 ms. Allocated memory was 309.3 MB in the beginning and 329.8 MB in the end (delta: 20.4 MB). Free memory was 249.7 MB in the beginning and 237.5 MB in the end (delta: 12.2 MB). Peak memory consumption was 72.2 MB. Max. memory is 5.3 GB. * Boogie Procedure Inliner took 253.73 ms. Allocated memory is still 329.8 MB. Free memory was 237.5 MB in the beginning and 197.5 MB in the end (delta: 40.0 MB). Peak memory consumption was 40.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 848.19 ms. Allocated memory was 329.8 MB in the beginning and 570.9 MB in the end (delta: 241.2 MB). Free memory was 197.5 MB in the beginning and 500.1 MB in the end (delta: -302.6 MB). Peak memory consumption was 57.2 MB. Max. memory is 5.3 GB. * RCFGBuilder took 11590.43 ms. Allocated memory was 570.9 MB in the beginning and 576.7 MB in the end (delta: 5.8 MB). Free memory was 500.1 MB in the beginning and 377.2 MB in the end (delta: 122.9 MB). Peak memory consumption was 198.6 MB. Max. memory is 5.3 GB. * TraceAbstraction took 199081.18 ms. Allocated memory was 576.7 MB in the beginning and 2.7 GB in the end (delta: 2.1 GB). Free memory was 377.2 MB in the beginning and 1.4 GB in the end (delta: -1.0 GB). Peak memory consumption was 1.1 GB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 46]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 46). Cancelled while BasicCegarLoop was analyzing trace of length 343 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, 199.0s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 152.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1255 SDtfs, 6274 SDslu, 900 SDs, 0 SdLazy, 7164 SolverSat, 1089 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 93.5s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 221 GetRequests, 187 SyntacticMatches, 2 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 217 ImplicationChecksByTransitivity, 3.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3544occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 37.4s AbstIntTime, 2 AbstIntIterations, 1 AbstIntStrong, 0.9940736290146387 AbsIntWeakeningRatio, 0.1306532663316583 AbsIntAvgWeakeningVarsNumRemoved, 431.3819095477387 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 3 MinimizatonAttempts, 13 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 310 NumberOfCodeBlocks, 310 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 307 ConstructedInterpolants, 0 QuantifiedInterpolants, 220377 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 46/123 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/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/Problem15_label34_false-unreach-call.c_svcomp-Reach-64bit-Taipan_Default.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-21_04-23-25-749.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/Problem15_label34_false-unreach-call.c_svcomp-Reach-64bit-Taipan_Default.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-21_04-23-25-749.csv Completed graceful shutdown