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/Problem14_label06_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-71425fa [2018-07-21 17:32:21,089 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-21 17:32:21,092 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-21 17:32:21,106 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-21 17:32:21,106 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-21 17:32:21,107 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-21 17:32:21,108 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-21 17:32:21,113 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-21 17:32:21,114 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-21 17:32:21,117 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-21 17:32:21,117 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-21 17:32:21,118 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-21 17:32:21,119 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-21 17:32:21,119 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-21 17:32:21,123 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-21 17:32:21,124 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-21 17:32:21,124 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-21 17:32:21,138 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-21 17:32:21,140 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-21 17:32:21,142 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-21 17:32:21,143 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-21 17:32:21,144 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-21 17:32:21,150 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-07-21 17:32:21,166 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 17:32:21,192 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-21 17:32:21,193 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-21 17:32:21,193 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-21 17:32:21,194 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-21 17:32:21,194 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-21 17:32:21,194 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-21 17:32:21,194 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-21 17:32:21,194 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-21 17:32:21,194 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-21 17:32:21,195 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-21 17:32:21,196 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-07-21 17:32:21,196 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-21 17:32:21,197 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-21 17:32:21,197 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-21 17:32:21,197 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-21 17:32:21,197 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-21 17:32:21,197 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-21 17:32:21,197 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-21 17:32:21,198 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-21 17:32:21,198 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-21 17:32:21,198 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-21 17:32:21,198 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-21 17:32:21,198 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-21 17:32:21,199 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-21 17:32:21,200 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-21 17:32:21,201 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-21 17:32:21,201 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-07-21 17:32:21,201 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-21 17:32:21,201 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-21 17:32:21,201 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-07-21 17:32:21,201 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-21 17:32:21,202 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-21 17:32:21,202 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-21 17:32:21,202 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-21 17:32:21,202 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-21 17:32:21,253 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-21 17:32:21,268 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-21 17:32:21,272 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-21 17:32:21,274 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-21 17:32:21,274 INFO L276 PluginConnector]: CDTParser initialized [2018-07-21 17:32:21,275 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label06_true-unreach-call_false-termination.c [2018-07-21 17:32:21,686 INFO L220 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/0f21b2c44/eb1400aaf6f24affbc6dcfc9553120d0/FLAG0a001619a [2018-07-21 17:32:21,997 INFO L276 CDTParser]: Found 1 translation units. [2018-07-21 17:32:21,997 INFO L158 CDTParser]: Scanning /storage/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label06_true-unreach-call_false-termination.c [2018-07-21 17:32:22,049 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/0f21b2c44/eb1400aaf6f24affbc6dcfc9553120d0/FLAG0a001619a [2018-07-21 17:32:22,072 INFO L332 CDTParser]: Successfully deleted /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/0f21b2c44/eb1400aaf6f24affbc6dcfc9553120d0 [2018-07-21 17:32:22,084 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-21 17:32:22,091 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-21 17:32:22,092 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-21 17:32:22,092 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-21 17:32:22,101 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-21 17:32:22,103 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 05:32:22" (1/1) ... [2018-07-21 17:32:22,106 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61ac2b4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:32:22, skipping insertion in model container [2018-07-21 17:32:22,107 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 05:32:22" (1/1) ... [2018-07-21 17:32:22,367 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-21 17:32:22,675 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-21 17:32:22,693 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-21 17:32:22,885 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-21 17:32:22,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:32:22 WrapperNode [2018-07-21 17:32:22,947 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-21 17:32:22,948 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-21 17:32:22,948 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-21 17:32:22,948 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-21 17:32:22,959 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:32:22" (1/1) ... [2018-07-21 17:32:22,991 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:32:22" (1/1) ... [2018-07-21 17:32:23,090 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-21 17:32:23,090 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-21 17:32:23,090 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-21 17:32:23,090 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-21 17:32:23,102 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:32:22" (1/1) ... [2018-07-21 17:32:23,102 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:32:22" (1/1) ... [2018-07-21 17:32:23,115 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:32:22" (1/1) ... [2018-07-21 17:32:23,115 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:32:22" (1/1) ... [2018-07-21 17:32:23,160 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:32:22" (1/1) ... [2018-07-21 17:32:23,395 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:32:22" (1/1) ... [2018-07-21 17:32:23,406 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:32:22" (1/1) ... [2018-07-21 17:32:23,420 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-21 17:32:23,421 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-21 17:32:23,421 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-21 17:32:23,421 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-21 17:32:23,423 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:32:22" (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 17:32:23,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-21 17:32:23,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-21 17:32:23,501 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_output [2018-07-21 17:32:23,501 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_output [2018-07-21 17:32:23,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-21 17:32:23,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-21 17:32:23,502 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-21 17:32:23,502 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-21 17:32:27,615 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-21 17:32:27,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 05:32:27 BoogieIcfgContainer [2018-07-21 17:32:27,616 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-21 17:32:27,617 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-21 17:32:27,617 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-21 17:32:27,621 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-21 17:32:27,622 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 05:32:22" (1/3) ... [2018-07-21 17:32:27,623 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d5d0c57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 05:32:27, skipping insertion in model container [2018-07-21 17:32:27,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:32:22" (2/3) ... [2018-07-21 17:32:27,623 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d5d0c57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 05:32:27, skipping insertion in model container [2018-07-21 17:32:27,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 05:32:27" (3/3) ... [2018-07-21 17:32:27,626 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label06_true-unreach-call_false-termination.c [2018-07-21 17:32:27,636 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-21 17:32:27,649 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-21 17:32:27,707 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-21 17:32:27,707 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-21 17:32:27,708 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-21 17:32:27,708 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-21 17:32:27,708 INFO L376 AbstractCegarLoop]: Backedges is TWOTRACK [2018-07-21 17:32:27,708 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-21 17:32:27,709 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-21 17:32:27,709 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-21 17:32:27,709 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-21 17:32:27,739 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states. [2018-07-21 17:32:27,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-07-21 17:32:27,750 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 17:32:27,751 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:32:27,752 INFO L414 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 17:32:27,758 INFO L82 PathProgramCache]: Analyzing trace with hash 1354853180, now seen corresponding path program 1 times [2018-07-21 17:32:27,761 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 17:32:27,822 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 17:32:27,822 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 17:32:27,822 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 17:32:27,822 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 17:32:27,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 17:32:28,349 WARN L169 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-21 17:32:28,470 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 17:32:28,473 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-21 17:32:28,473 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-21 17:32:28,473 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 17:32:28,477 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-21 17:32:28,494 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-21 17:32:28,495 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-21 17:32:28,498 INFO L87 Difference]: Start difference. First operand 255 states. Second operand 3 states. [2018-07-21 17:32:30,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 17:32:30,374 INFO L93 Difference]: Finished difference Result 691 states and 1226 transitions. [2018-07-21 17:32:30,374 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-21 17:32:30,376 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2018-07-21 17:32:30,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 17:32:30,409 INFO L225 Difference]: With dead ends: 691 [2018-07-21 17:32:30,409 INFO L226 Difference]: Without dead ends: 434 [2018-07-21 17:32:30,417 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-21 17:32:30,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2018-07-21 17:32:30,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 434. [2018-07-21 17:32:30,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 434 states. [2018-07-21 17:32:30,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 767 transitions. [2018-07-21 17:32:30,523 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 767 transitions. Word has length 68 [2018-07-21 17:32:30,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 17:32:30,524 INFO L471 AbstractCegarLoop]: Abstraction has 434 states and 767 transitions. [2018-07-21 17:32:30,524 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-21 17:32:30,524 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 767 transitions. [2018-07-21 17:32:30,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-07-21 17:32:30,538 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 17:32:30,539 INFO L358 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 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 17:32:30,539 INFO L414 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 17:32:30,539 INFO L82 PathProgramCache]: Analyzing trace with hash 337232187, now seen corresponding path program 1 times [2018-07-21 17:32:30,540 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 17:32:30,541 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 17:32:30,541 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 17:32:30,541 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 17:32:30,541 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 17:32:30,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 17:32:30,824 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 17:32:30,825 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-21 17:32:30,825 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-07-21 17:32:30,825 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 17:32:30,828 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-21 17:32:30,829 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-21 17:32:30,829 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-07-21 17:32:30,830 INFO L87 Difference]: Start difference. First operand 434 states and 767 transitions. Second operand 5 states. [2018-07-21 17:32:34,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 17:32:34,177 INFO L93 Difference]: Finished difference Result 1416 states and 2580 transitions. [2018-07-21 17:32:34,181 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-07-21 17:32:34,181 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 145 [2018-07-21 17:32:34,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 17:32:34,196 INFO L225 Difference]: With dead ends: 1416 [2018-07-21 17:32:34,196 INFO L226 Difference]: Without dead ends: 988 [2018-07-21 17:32:34,205 INFO L578 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 [2018-07-21 17:32:34,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 988 states. [2018-07-21 17:32:34,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 988 to 973. [2018-07-21 17:32:34,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 973 states. [2018-07-21 17:32:34,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 973 states to 973 states and 1540 transitions. [2018-07-21 17:32:34,282 INFO L78 Accepts]: Start accepts. Automaton has 973 states and 1540 transitions. Word has length 145 [2018-07-21 17:32:34,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 17:32:34,282 INFO L471 AbstractCegarLoop]: Abstraction has 973 states and 1540 transitions. [2018-07-21 17:32:34,283 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-21 17:32:34,283 INFO L276 IsEmpty]: Start isEmpty. Operand 973 states and 1540 transitions. [2018-07-21 17:32:34,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-07-21 17:32:34,290 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 17:32:34,291 INFO L358 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:32:34,291 INFO L414 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 17:32:34,291 INFO L82 PathProgramCache]: Analyzing trace with hash -392846149, now seen corresponding path program 1 times [2018-07-21 17:32:34,291 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 17:32:34,292 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 17:32:34,293 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 17:32:34,293 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 17:32:34,293 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 17:32:34,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 17:32:34,654 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 17:32:34,655 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-21 17:32:34,655 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-21 17:32:34,655 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 17:32:34,656 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-21 17:32:34,656 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-21 17:32:34,656 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-21 17:32:34,657 INFO L87 Difference]: Start difference. First operand 973 states and 1540 transitions. Second operand 6 states. [2018-07-21 17:32:38,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 17:32:38,854 INFO L93 Difference]: Finished difference Result 2353 states and 3939 transitions. [2018-07-21 17:32:38,872 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-21 17:32:38,872 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 209 [2018-07-21 17:32:38,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 17:32:38,889 INFO L225 Difference]: With dead ends: 2353 [2018-07-21 17:32:38,889 INFO L226 Difference]: Without dead ends: 1386 [2018-07-21 17:32:38,893 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-07-21 17:32:38,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1386 states. [2018-07-21 17:32:38,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1386 to 1352. [2018-07-21 17:32:38,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1352 states. [2018-07-21 17:32:38,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1352 states to 1352 states and 2126 transitions. [2018-07-21 17:32:38,979 INFO L78 Accepts]: Start accepts. Automaton has 1352 states and 2126 transitions. Word has length 209 [2018-07-21 17:32:38,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 17:32:38,980 INFO L471 AbstractCegarLoop]: Abstraction has 1352 states and 2126 transitions. [2018-07-21 17:32:38,980 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-21 17:32:38,981 INFO L276 IsEmpty]: Start isEmpty. Operand 1352 states and 2126 transitions. [2018-07-21 17:32:38,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2018-07-21 17:32:38,990 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 17:32:38,990 INFO L358 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-07-21 17:32:38,990 INFO L414 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 17:32:38,991 INFO L82 PathProgramCache]: Analyzing trace with hash -197150957, now seen corresponding path program 1 times [2018-07-21 17:32:38,991 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 17:32:38,992 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 17:32:38,992 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 17:32:38,992 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 17:32:38,993 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 17:32:39,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 17:32:39,281 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 197 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 17:32:39,281 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-21 17:32:39,281 INFO L189 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-21 17:32:39,282 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 230 with the following transitions: [2018-07-21 17:32:39,284 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], [385], [393], [401], [409], [417], [425], [433], [441], [445], [447], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [522], [523], [527], [531], [535], [539], [543], [547], [550], [948], [952], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-07-21 17:32:39,357 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-21 17:32:39,358 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-21 17:32:44,882 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-07-21 17:32:46,259 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-21 17:32:46,261 INFO L272 AbstractInterpreter]: Visited 89 different actions 89 times. Never merged. Never widened. Never found a fixpoint. Largest state had 24 variables. [2018-07-21 17:32:46,311 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-21 17:32:55,546 INFO L232 lantSequenceWeakener]: Weakened 221 states. On average, predicates are now at 78.39% of their original sizes. [2018-07-21 17:32:55,546 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-21 17:32:56,310 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-21 17:32:56,311 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-21 17:32:56,311 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2018-07-21 17:32:56,311 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 17:32:56,312 INFO L450 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-07-21 17:32:56,312 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-07-21 17:32:56,312 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-07-21 17:32:56,312 INFO L87 Difference]: Start difference. First operand 1352 states and 2126 transitions. Second operand 7 states. [2018-07-21 17:33:56,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 17:33:56,614 INFO L93 Difference]: Finished difference Result 2883 states and 4473 transitions. [2018-07-21 17:33:56,642 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-21 17:33:56,642 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 229 [2018-07-21 17:33:56,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 17:33:56,652 INFO L225 Difference]: With dead ends: 2883 [2018-07-21 17:33:56,653 INFO L226 Difference]: Without dead ends: 1537 [2018-07-21 17:33:56,659 INFO L578 BasicCegarLoop]: 2 DeclaredPredicates, 229 GetRequests, 223 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-07-21 17:33:56,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1537 states. [2018-07-21 17:33:56,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1537 to 1535. [2018-07-21 17:33:56,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1535 states. [2018-07-21 17:33:56,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1535 states to 1535 states and 2316 transitions. [2018-07-21 17:33:56,732 INFO L78 Accepts]: Start accepts. Automaton has 1535 states and 2316 transitions. Word has length 229 [2018-07-21 17:33:56,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 17:33:56,732 INFO L471 AbstractCegarLoop]: Abstraction has 1535 states and 2316 transitions. [2018-07-21 17:33:56,732 INFO L472 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-07-21 17:33:56,733 INFO L276 IsEmpty]: Start isEmpty. Operand 1535 states and 2316 transitions. [2018-07-21 17:33:56,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2018-07-21 17:33:56,740 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 17:33:56,741 INFO L358 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-21 17:33:56,741 INFO L414 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 17:33:56,741 INFO L82 PathProgramCache]: Analyzing trace with hash 885251716, now seen corresponding path program 1 times [2018-07-21 17:33:56,741 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 17:33:56,742 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 17:33:56,743 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 17:33:56,744 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 17:33:56,744 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 17:33:56,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 17:33:57,443 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 270 proven. 146 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-07-21 17:33:57,443 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-21 17:33:57,443 INFO L189 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-21 17:33:57,444 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 315 with the following transitions: [2018-07-21 17:33:57,444 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], [385], [393], [401], [409], [417], [425], [433], [441], [445], [447], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [522], [523], [527], [531], [535], [539], [543], [547], [550], [551], [554], [948], [952], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-07-21 17:33:57,452 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-21 17:33:57,453 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-21 17:34:01,875 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-07-21 17:34:05,163 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-21 17:34:05,163 INFO L272 AbstractInterpreter]: Visited 94 different actions 184 times. Merged at 5 different actions 7 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-07-21 17:34:05,173 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-21 17:34:08,842 INFO L232 lantSequenceWeakener]: Weakened 312 states. On average, predicates are now at 78.14% of their original sizes. [2018-07-21 17:34:08,842 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-21 17:34:13,758 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-21 17:34:13,759 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-21 17:34:13,759 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [16] imperfect sequences [12] total 26 [2018-07-21 17:34:13,759 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 17:34:13,759 INFO L450 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-07-21 17:34:13,759 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-07-21 17:34:13,760 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2018-07-21 17:34:13,760 INFO L87 Difference]: Start difference. First operand 1535 states and 2316 transitions. Second operand 16 states. [2018-07-21 17:34:50,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 17:34:50,548 INFO L93 Difference]: Finished difference Result 3253 states and 4895 transitions. [2018-07-21 17:34:50,548 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-07-21 17:34:50,548 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 314 [2018-07-21 17:34:50,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 17:34:50,559 INFO L225 Difference]: With dead ends: 3253 [2018-07-21 17:34:50,559 INFO L226 Difference]: Without dead ends: 1907 [2018-07-21 17:34:50,566 INFO L578 BasicCegarLoop]: 2 DeclaredPredicates, 322 GetRequests, 219 SyntacticMatches, 80 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 572 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=138, Invalid=462, Unknown=0, NotChecked=0, Total=600 [2018-07-21 17:34:50,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1907 states. [2018-07-21 17:34:50,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1907 to 1904. [2018-07-21 17:34:50,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1904 states. [2018-07-21 17:34:50,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1904 states to 1904 states and 2703 transitions. [2018-07-21 17:34:50,659 INFO L78 Accepts]: Start accepts. Automaton has 1904 states and 2703 transitions. Word has length 314 [2018-07-21 17:34:50,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 17:34:50,660 INFO L471 AbstractCegarLoop]: Abstraction has 1904 states and 2703 transitions. [2018-07-21 17:34:50,660 INFO L472 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-07-21 17:34:50,660 INFO L276 IsEmpty]: Start isEmpty. Operand 1904 states and 2703 transitions. [2018-07-21 17:34:50,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2018-07-21 17:34:50,670 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 17:34:50,670 INFO L358 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-07-21 17:34:50,671 INFO L414 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 17:34:50,671 INFO L82 PathProgramCache]: Analyzing trace with hash 1169843096, now seen corresponding path program 1 times [2018-07-21 17:34:50,671 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 17:34:50,672 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 17:34:50,672 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 17:34:50,673 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 17:34:50,673 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 17:34:50,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 17:34:51,216 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 242 proven. 125 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-07-21 17:34:51,216 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-21 17:34:51,216 INFO L189 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-21 17:34:51,217 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 341 with the following transitions: [2018-07-21 17:34:51,217 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], [385], [393], [401], [409], [417], [425], [433], [441], [445], [447], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [522], [523], [527], [531], [535], [539], [543], [547], [550], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [658], [948], [952], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-07-21 17:34:51,223 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-21 17:34:51,224 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-21 17:34:57,029 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-07-21 17:35:03,479 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-21 17:35:03,479 INFO L272 AbstractInterpreter]: Visited 120 different actions 236 times. Merged at 5 different actions 7 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-07-21 17:35:03,484 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-21 17:35:07,092 INFO L232 lantSequenceWeakener]: Weakened 338 states. On average, predicates are now at 78.07% of their original sizes. [2018-07-21 17:35:07,093 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-21 17:35:07,695 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-21 17:35:07,695 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-21 17:35:07,695 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [8] total 18 [2018-07-21 17:35:07,695 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 17:35:07,696 INFO L450 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-07-21 17:35:07,696 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-07-21 17:35:07,696 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2018-07-21 17:35:07,697 INFO L87 Difference]: Start difference. First operand 1904 states and 2703 transitions. Second operand 12 states. [2018-07-21 17:35:24,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 17:35:24,656 INFO L93 Difference]: Finished difference Result 3438 states and 5054 transitions. [2018-07-21 17:35:24,656 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-07-21 17:35:24,656 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 340 [2018-07-21 17:35:24,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 17:35:24,667 INFO L225 Difference]: With dead ends: 3438 [2018-07-21 17:35:24,667 INFO L226 Difference]: Without dead ends: 2092 [2018-07-21 17:35:24,674 INFO L578 BasicCegarLoop]: 2 DeclaredPredicates, 349 GetRequests, 329 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=115, Invalid=347, Unknown=0, NotChecked=0, Total=462 [2018-07-21 17:35:24,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2092 states. [2018-07-21 17:35:24,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2092 to 2089. [2018-07-21 17:35:24,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2089 states. [2018-07-21 17:35:24,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2089 states to 2089 states and 2902 transitions. [2018-07-21 17:35:24,778 INFO L78 Accepts]: Start accepts. Automaton has 2089 states and 2902 transitions. Word has length 340 [2018-07-21 17:35:24,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 17:35:24,779 INFO L471 AbstractCegarLoop]: Abstraction has 2089 states and 2902 transitions. [2018-07-21 17:35:24,779 INFO L472 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-07-21 17:35:24,780 INFO L276 IsEmpty]: Start isEmpty. Operand 2089 states and 2902 transitions. [2018-07-21 17:35:24,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2018-07-21 17:35:24,790 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 17:35:24,790 INFO L358 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-21 17:35:24,790 INFO L414 AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 17:35:24,790 INFO L82 PathProgramCache]: Analyzing trace with hash -785108, now seen corresponding path program 1 times [2018-07-21 17:35:24,791 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 17:35:24,792 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 17:35:24,792 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 17:35:24,792 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 17:35:24,792 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 17:35:24,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 17:35:25,438 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 338 proven. 2 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2018-07-21 17:35:25,439 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-21 17:35:25,439 INFO L189 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-21 17:35:25,439 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 367 with the following transitions: [2018-07-21 17:35:25,439 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], [385], [393], [401], [409], [417], [425], [433], [441], [445], [447], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [522], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [654], [655], [658], [948], [952], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-07-21 17:35:25,445 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-21 17:35:25,446 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-21 17:35:29,621 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-07-21 17:35:56,716 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-21 17:35:56,716 INFO L272 AbstractInterpreter]: Visited 120 different actions 586 times. Merged at 7 different actions 30 times. Widened at 1 different actions 1 times. Found 5 fixpoints after 2 different actions. Largest state had 24 variables. [2018-07-21 17:35:56,721 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-21 17:35:59,002 INFO L232 lantSequenceWeakener]: Weakened 364 states. On average, predicates are now at 78.01% of their original sizes. [2018-07-21 17:35:59,003 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-21 17:35:59,337 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-21 17:35:59,338 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-21 17:35:59,338 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [7] total 16 [2018-07-21 17:35:59,338 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 17:35:59,338 INFO L450 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-07-21 17:35:59,338 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-07-21 17:35:59,339 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2018-07-21 17:35:59,339 INFO L87 Difference]: Start difference. First operand 2089 states and 2902 transitions. Second operand 11 states. Received shutdown request... [2018-07-21 17:36:00,125 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-21 17:36:00,126 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-21 17:36:00,130 WARN L202 ceAbstractionStarter]: Timeout [2018-07-21 17:36:00,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 05:36:00 BoogieIcfgContainer [2018-07-21 17:36:00,131 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-21 17:36:00,131 INFO L168 Benchmark]: Toolchain (without parser) took 218046.62 ms. Allocated memory was 307.8 MB in the beginning and 2.6 GB in the end (delta: 2.3 GB). Free memory was 252.2 MB in the beginning and 858.4 MB in the end (delta: -606.2 MB). Peak memory consumption was 1.7 GB. Max. memory is 5.3 GB. [2018-07-21 17:36:00,132 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 307.8 MB. Free memory is still 272.2 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-07-21 17:36:00,132 INFO L168 Benchmark]: CACSL2BoogieTranslator took 855.14 ms. Allocated memory is still 307.8 MB. Free memory was 250.3 MB in the beginning and 208.4 MB in the end (delta: 41.8 MB). Peak memory consumption was 41.8 MB. Max. memory is 5.3 GB. [2018-07-21 17:36:00,133 INFO L168 Benchmark]: Boogie Procedure Inliner took 141.99 ms. Allocated memory is still 307.8 MB. Free memory was 208.4 MB in the beginning and 198.5 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB. [2018-07-21 17:36:00,133 INFO L168 Benchmark]: Boogie Preprocessor took 330.71 ms. Allocated memory was 307.8 MB in the beginning and 493.4 MB in the end (delta: 185.6 MB). Free memory was 198.5 MB in the beginning and 457.6 MB in the end (delta: -259.2 MB). Peak memory consumption was 36.3 MB. Max. memory is 5.3 GB. [2018-07-21 17:36:00,134 INFO L168 Benchmark]: RCFGBuilder took 4195.02 ms. Allocated memory was 493.4 MB in the beginning and 508.6 MB in the end (delta: 15.2 MB). Free memory was 457.6 MB in the beginning and 457.4 MB in the end (delta: 217.7 kB). Peak memory consumption was 135.5 MB. Max. memory is 5.3 GB. [2018-07-21 17:36:00,135 INFO L168 Benchmark]: TraceAbstraction took 212513.61 ms. Allocated memory was 508.6 MB in the beginning and 2.6 GB in the end (delta: 2.1 GB). Free memory was 457.4 MB in the beginning and 858.4 MB in the end (delta: -401.0 MB). Peak memory consumption was 1.7 GB. Max. memory is 5.3 GB. [2018-07-21 17:36:00,137 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 307.8 MB. Free memory is still 272.2 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 855.14 ms. Allocated memory is still 307.8 MB. Free memory was 250.3 MB in the beginning and 208.4 MB in the end (delta: 41.8 MB). Peak memory consumption was 41.8 MB. Max. memory is 5.3 GB. * Boogie Procedure Inliner took 141.99 ms. Allocated memory is still 307.8 MB. Free memory was 208.4 MB in the beginning and 198.5 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 330.71 ms. Allocated memory was 307.8 MB in the beginning and 493.4 MB in the end (delta: 185.6 MB). Free memory was 198.5 MB in the beginning and 457.6 MB in the end (delta: -259.2 MB). Peak memory consumption was 36.3 MB. Max. memory is 5.3 GB. * RCFGBuilder took 4195.02 ms. Allocated memory was 493.4 MB in the beginning and 508.6 MB in the end (delta: 15.2 MB). Free memory was 457.6 MB in the beginning and 457.4 MB in the end (delta: 217.7 kB). Peak memory consumption was 135.5 MB. Max. memory is 5.3 GB. * TraceAbstraction took 212513.61 ms. Allocated memory was 508.6 MB in the beginning and 2.6 GB in the end (delta: 2.1 GB). Free memory was 457.4 MB in the beginning and 858.4 MB in the end (delta: -401.0 MB). Peak memory consumption was 1.7 GB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 187]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 187). Cancelled while BasicCegarLoop was constructing difference of abstraction (2089states) and interpolant automaton (currently 7 states, 11 states before enhancement), while ReachableStatesComputation was computing reachable states (33 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 255 locations, 1 error locations. TIMEOUT Result, 212.4s OverallTime, 7 OverallIterations, 4 TraceHistogramMax, 124.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1007 SDtfs, 4892 SDslu, 1225 SDs, 0 SdLazy, 7202 SolverSat, 1134 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 79.1s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 1293 GetRequests, 1134 SyntacticMatches, 83 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 673 ImplicationChecksByTransitivity, 7.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2089occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 58.3s AbstIntTime, 4 AbstIntIterations, 4 AbstIntStrong, 0.9957322041790346 AbsIntWeakeningRatio, 0.09799196787148594 AbsIntAvgWeakeningVarsNumRemoved, 304.0016064257028 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 6 MinimizatonAttempts, 57 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 1671 NumberOfCodeBlocks, 1671 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1664 ConstructedInterpolants, 0 QuantifiedInterpolants, 2575359 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 3 PerfectInterpolantSequences, 1335/1610 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/Problem14_label06_true-unreach-call_false-termination.c_svcomp-Reach-64bit-Taipan_Default.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-21_17-36-00-152.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/Problem14_label06_true-unreach-call_false-termination.c_svcomp-Reach-64bit-Taipan_Default.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-21_17-36-00-152.csv Completed graceful shutdown