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/Problem02_label43_false-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-71425fa [2018-07-20 22:28:08,520 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-20 22:28:08,523 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-20 22:28:08,541 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-20 22:28:08,541 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-20 22:28:08,542 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-20 22:28:08,543 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-20 22:28:08,546 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-20 22:28:08,547 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-20 22:28:08,549 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-20 22:28:08,550 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-20 22:28:08,550 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-20 22:28:08,551 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-20 22:28:08,555 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-20 22:28:08,556 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-20 22:28:08,557 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-20 22:28:08,558 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-20 22:28:08,567 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-20 22:28:08,568 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-20 22:28:08,570 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-20 22:28:08,571 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-20 22:28:08,574 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-20 22:28:08,576 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-07-20 22:28:08,592 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-07-20 22:28:08,616 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-20 22:28:08,619 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-20 22:28:08,620 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-20 22:28:08,620 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-20 22:28:08,621 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-20 22:28:08,621 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-20 22:28:08,621 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-20 22:28:08,621 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-20 22:28:08,621 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-20 22:28:08,621 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-20 22:28:08,622 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-07-20 22:28:08,622 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-20 22:28:08,623 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-20 22:28:08,626 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-20 22:28:08,626 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-20 22:28:08,626 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-20 22:28:08,626 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-20 22:28:08,626 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-20 22:28:08,626 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-20 22:28:08,627 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-20 22:28:08,627 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-20 22:28:08,627 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-20 22:28:08,627 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-20 22:28:08,627 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-20 22:28:08,628 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-20 22:28:08,628 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-20 22:28:08,628 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-07-20 22:28:08,628 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-20 22:28:08,628 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-20 22:28:08,628 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-07-20 22:28:08,630 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-20 22:28:08,631 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-20 22:28:08,631 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-20 22:28:08,631 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-20 22:28:08,631 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-20 22:28:08,698 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-20 22:28:08,719 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-20 22:28:08,725 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-20 22:28:08,729 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-20 22:28:08,730 INFO L276 PluginConnector]: CDTParser initialized [2018-07-20 22:28:08,731 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label43_false-unreach-call_false-termination.c [2018-07-20 22:28:09,128 INFO L220 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/fbfbe2632/db32669c7ffa47c48c9e3c90ab28f882/FLAGf7ae494ac [2018-07-20 22:28:09,426 INFO L276 CDTParser]: Found 1 translation units. [2018-07-20 22:28:09,427 INFO L158 CDTParser]: Scanning /storage/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label43_false-unreach-call_false-termination.c [2018-07-20 22:28:09,444 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/fbfbe2632/db32669c7ffa47c48c9e3c90ab28f882/FLAGf7ae494ac [2018-07-20 22:28:09,521 INFO L332 CDTParser]: Successfully deleted /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/fbfbe2632/db32669c7ffa47c48c9e3c90ab28f882 [2018-07-20 22:28:09,533 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-20 22:28:09,539 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-20 22:28:09,541 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-20 22:28:09,541 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-20 22:28:09,548 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-20 22:28:09,550 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:28:09" (1/1) ... [2018-07-20 22:28:09,553 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c517e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:28:09, skipping insertion in model container [2018-07-20 22:28:09,554 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:28:09" (1/1) ... [2018-07-20 22:28:09,840 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-20 22:28:10,123 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-20 22:28:10,148 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-20 22:28:10,327 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-20 22:28:10,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:28:10 WrapperNode [2018-07-20 22:28:10,378 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-20 22:28:10,380 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-20 22:28:10,380 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-20 22:28:10,380 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-20 22:28:10,390 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:28:10" (1/1) ... [2018-07-20 22:28:10,422 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:28:10" (1/1) ... [2018-07-20 22:28:10,521 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-20 22:28:10,522 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-20 22:28:10,522 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-20 22:28:10,522 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-20 22:28:10,533 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:28:10" (1/1) ... [2018-07-20 22:28:10,533 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:28:10" (1/1) ... [2018-07-20 22:28:10,550 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:28:10" (1/1) ... [2018-07-20 22:28:10,550 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:28:10" (1/1) ... [2018-07-20 22:28:10,588 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:28:10" (1/1) ... [2018-07-20 22:28:10,621 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:28:10" (1/1) ... [2018-07-20 22:28:10,627 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:28:10" (1/1) ... [2018-07-20 22:28:10,634 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-20 22:28:10,635 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-20 22:28:10,635 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-20 22:28:10,635 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-20 22:28:10,637 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:28:10" (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 [2018-07-20 22:28:10,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-20 22:28:10,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-20 22:28:10,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-20 22:28:10,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-20 22:28:10,923 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-20 22:28:10,923 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-20 22:28:10,924 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_false_termination_c__calculate_output [2018-07-20 22:28:10,925 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_false_termination_c__calculate_output [2018-07-20 22:28:14,805 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-20 22:28:14,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:28:14 BoogieIcfgContainer [2018-07-20 22:28:14,806 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-20 22:28:14,812 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-20 22:28:14,813 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-20 22:28:14,822 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-20 22:28:14,824 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 10:28:09" (1/3) ... [2018-07-20 22:28:14,826 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bdfdfb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:28:14, skipping insertion in model container [2018-07-20 22:28:14,826 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:28:10" (2/3) ... [2018-07-20 22:28:14,826 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bdfdfb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:28:14, skipping insertion in model container [2018-07-20 22:28:14,829 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:28:14" (3/3) ... [2018-07-20 22:28:14,837 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label43_false-unreach-call_false-termination.c [2018-07-20 22:28:14,853 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-20 22:28:14,867 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-20 22:28:14,950 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-20 22:28:14,951 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-20 22:28:14,952 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-20 22:28:14,952 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-20 22:28:14,952 INFO L376 AbstractCegarLoop]: Backedges is TWOTRACK [2018-07-20 22:28:14,953 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-20 22:28:14,953 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-20 22:28:14,953 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-20 22:28:14,953 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-20 22:28:15,004 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states. [2018-07-20 22:28:15,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-07-20 22:28:15,026 INFO L350 BasicCegarLoop]: Found error trace [2018-07-20 22:28:15,027 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-20 22:28:15,028 INFO L414 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-20 22:28:15,034 INFO L82 PathProgramCache]: Analyzing trace with hash -216964760, now seen corresponding path program 1 times [2018-07-20 22:28:15,037 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-20 22:28:15,104 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-20 22:28:15,104 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-20 22:28:15,105 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-20 22:28:15,105 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-20 22:28:15,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-20 22:28:15,790 WARN L169 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-20 22:28:15,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-20 22:28:15,848 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-20 22:28:15,849 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-20 22:28:15,849 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-20 22:28:15,857 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-20 22:28:15,883 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-20 22:28:15,884 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-20 22:28:15,887 INFO L87 Difference]: Start difference. First operand 237 states. Second operand 3 states. [2018-07-20 22:28:17,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-20 22:28:17,597 INFO L93 Difference]: Finished difference Result 627 states and 1072 transitions. [2018-07-20 22:28:17,599 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-20 22:28:17,601 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 92 [2018-07-20 22:28:17,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-20 22:28:17,629 INFO L225 Difference]: With dead ends: 627 [2018-07-20 22:28:17,629 INFO L226 Difference]: Without dead ends: 388 [2018-07-20 22:28:17,638 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-20 22:28:17,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2018-07-20 22:28:17,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 383. [2018-07-20 22:28:17,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2018-07-20 22:28:17,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 619 transitions. [2018-07-20 22:28:17,736 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 619 transitions. Word has length 92 [2018-07-20 22:28:17,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-20 22:28:17,737 INFO L471 AbstractCegarLoop]: Abstraction has 383 states and 619 transitions. [2018-07-20 22:28:17,737 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-20 22:28:17,737 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 619 transitions. [2018-07-20 22:28:17,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-07-20 22:28:17,743 INFO L350 BasicCegarLoop]: Found error trace [2018-07-20 22:28:17,744 INFO L358 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-20 22:28:17,744 INFO L414 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-20 22:28:17,745 INFO L82 PathProgramCache]: Analyzing trace with hash -410427251, now seen corresponding path program 1 times [2018-07-20 22:28:17,745 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-20 22:28:17,746 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-20 22:28:17,746 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-20 22:28:17,746 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-20 22:28:17,747 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-20 22:28:17,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-20 22:28:18,264 WARN L169 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 9 [2018-07-20 22:28:18,311 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-20 22:28:18,312 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-20 22:28:18,312 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-07-20 22:28:18,312 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-20 22:28:18,314 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-20 22:28:18,315 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-20 22:28:18,315 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-07-20 22:28:18,315 INFO L87 Difference]: Start difference. First operand 383 states and 619 transitions. Second operand 5 states. [2018-07-20 22:28:20,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-20 22:28:20,506 INFO L93 Difference]: Finished difference Result 1224 states and 2048 transitions. [2018-07-20 22:28:20,507 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-07-20 22:28:20,507 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 101 [2018-07-20 22:28:20,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-20 22:28:20,520 INFO L225 Difference]: With dead ends: 1224 [2018-07-20 22:28:20,520 INFO L226 Difference]: Without dead ends: 847 [2018-07-20 22:28:20,526 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-07-20 22:28:20,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 847 states. [2018-07-20 22:28:20,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 847 to 824. [2018-07-20 22:28:20,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 824 states. [2018-07-20 22:28:20,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 824 states and 1291 transitions. [2018-07-20 22:28:20,618 INFO L78 Accepts]: Start accepts. Automaton has 824 states and 1291 transitions. Word has length 101 [2018-07-20 22:28:20,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-20 22:28:20,618 INFO L471 AbstractCegarLoop]: Abstraction has 824 states and 1291 transitions. [2018-07-20 22:28:20,618 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-20 22:28:20,619 INFO L276 IsEmpty]: Start isEmpty. Operand 824 states and 1291 transitions. [2018-07-20 22:28:20,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-07-20 22:28:20,633 INFO L350 BasicCegarLoop]: Found error trace [2018-07-20 22:28:20,634 INFO L358 BasicCegarLoop]: trace histogram [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] [2018-07-20 22:28:20,634 INFO L414 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-20 22:28:20,634 INFO L82 PathProgramCache]: Analyzing trace with hash -325796411, now seen corresponding path program 1 times [2018-07-20 22:28:20,635 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-20 22:28:20,636 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-20 22:28:20,636 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-20 22:28:20,636 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-20 22:28:20,636 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-20 22:28:20,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-20 22:28:20,760 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-20 22:28:20,760 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-20 22:28:20,760 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-20 22:28:20,760 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-20 22:28:20,761 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-20 22:28:20,761 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-20 22:28:20,761 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-20 22:28:20,762 INFO L87 Difference]: Start difference. First operand 824 states and 1291 transitions. Second operand 6 states. [2018-07-20 22:28:24,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-20 22:28:24,217 INFO L93 Difference]: Finished difference Result 2456 states and 4086 transitions. [2018-07-20 22:28:24,219 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-20 22:28:24,219 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 104 [2018-07-20 22:28:24,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-20 22:28:24,238 INFO L225 Difference]: With dead ends: 2456 [2018-07-20 22:28:24,238 INFO L226 Difference]: Without dead ends: 1638 [2018-07-20 22:28:24,244 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 [2018-07-20 22:28:24,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1638 states. [2018-07-20 22:28:24,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1638 to 1607. [2018-07-20 22:28:24,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1607 states. [2018-07-20 22:28:24,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1607 states to 1607 states and 2476 transitions. [2018-07-20 22:28:24,360 INFO L78 Accepts]: Start accepts. Automaton has 1607 states and 2476 transitions. Word has length 104 [2018-07-20 22:28:24,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-20 22:28:24,360 INFO L471 AbstractCegarLoop]: Abstraction has 1607 states and 2476 transitions. [2018-07-20 22:28:24,361 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-20 22:28:24,361 INFO L276 IsEmpty]: Start isEmpty. Operand 1607 states and 2476 transitions. [2018-07-20 22:28:24,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-07-20 22:28:24,370 INFO L350 BasicCegarLoop]: Found error trace [2018-07-20 22:28:24,370 INFO L358 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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] [2018-07-20 22:28:24,370 INFO L414 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-20 22:28:24,371 INFO L82 PathProgramCache]: Analyzing trace with hash 661660628, now seen corresponding path program 1 times [2018-07-20 22:28:24,371 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-20 22:28:24,372 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-20 22:28:24,373 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-20 22:28:24,373 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-20 22:28:24,373 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-20 22:28:24,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-20 22:28:24,563 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 24 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-20 22:28:24,564 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-20 22:28:24,564 INFO L189 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-20 22:28:24,565 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 116 with the following transitions: [2018-07-20 22:28:24,567 INFO L201 CegarAbsIntRunner]: [0], [1], [5], [9], [15], [19], [21], [26], [29], [30], [34], [38], [42], [46], [49], [50], [54], [58], [62], [66], [77], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [164], [168], [172], [176], [180], [184], [195], [199], [203], [207], [211], [215], [219], [223], [234], [238], [242], [246], [257], [261], [265], [269], [273], [277], [281], [292], [296], [307], [311], [322], [333], [337], [341], [345], [349], [353], [357], [368], [372], [376], [380], [384], [388], [392], [396], [403], [411], [419], [427], [431], [433], [887], [888], [889], [890], [892], [893] [2018-07-20 22:28:24,642 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-20 22:28:24,642 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-20 22:30:42,635 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-07-20 22:30:42,637 INFO L272 AbstractInterpreter]: Visited 97 different actions 253 times. Merged at 7 different actions 16 times. Never widened. Found 3 fixpoints after 2 different actions. Largest state had 38 variables. [2018-07-20 22:30:42,651 INFO L419 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-07-20 22:30:42,651 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-20 22:30:42,651 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 [2018-07-20 22:30:42,662 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-20 22:30:42,662 INFO L282 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-20 22:30:42,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-20 22:30:42,798 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-20 22:30:43,142 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 24 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-20 22:30:43,142 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-20 22:30:43,353 WARN L169 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-07-20 22:30:43,539 WARN L169 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-07-20 22:30:43,672 WARN L169 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 16 [2018-07-20 22:30:43,922 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 24 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-20 22:30:43,944 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-20 22:30:43,944 INFO L189 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-07-20 22:30:44,032 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-20 22:30:44,032 INFO L282 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-20 22:30:44,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-20 22:30:44,192 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-20 22:30:44,642 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 24 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-20 22:30:44,643 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-20 22:30:44,784 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 24 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-20 22:30:44,787 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-07-20 22:30:44,787 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5] total 15 [2018-07-20 22:30:44,787 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-07-20 22:30:44,788 INFO L450 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-07-20 22:30:44,789 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-07-20 22:30:44,789 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2018-07-20 22:30:44,789 INFO L87 Difference]: Start difference. First operand 1607 states and 2476 transitions. Second operand 8 states. [2018-07-20 22:30:45,249 WARN L169 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-07-20 22:30:46,168 WARN L169 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 8 DAG size of output: 7 [2018-07-20 22:30:46,883 WARN L169 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-07-20 22:30:52,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-20 22:30:52,702 INFO L93 Difference]: Finished difference Result 4930 states and 9942 transitions. [2018-07-20 22:30:52,702 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-07-20 22:30:52,703 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 115 [2018-07-20 22:30:52,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-20 22:30:52,755 INFO L225 Difference]: With dead ends: 4930 [2018-07-20 22:30:52,755 INFO L226 Difference]: Without dead ends: 3329 [2018-07-20 22:30:52,784 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 521 GetRequests, 477 SyntacticMatches, 1 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 497 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=397, Invalid=1583, Unknown=0, NotChecked=0, Total=1980 [2018-07-20 22:30:52,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3329 states. [2018-07-20 22:30:52,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3329 to 2894. [2018-07-20 22:30:52,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2894 states. [2018-07-20 22:30:53,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2894 states to 2894 states and 4067 transitions. [2018-07-20 22:30:53,004 INFO L78 Accepts]: Start accepts. Automaton has 2894 states and 4067 transitions. Word has length 115 [2018-07-20 22:30:53,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-20 22:30:53,005 INFO L471 AbstractCegarLoop]: Abstraction has 2894 states and 4067 transitions. [2018-07-20 22:30:53,005 INFO L472 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-07-20 22:30:53,005 INFO L276 IsEmpty]: Start isEmpty. Operand 2894 states and 4067 transitions. [2018-07-20 22:30:53,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-07-20 22:30:53,015 INFO L350 BasicCegarLoop]: Found error trace [2018-07-20 22:30:53,016 INFO L358 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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] [2018-07-20 22:30:53,016 INFO L414 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-20 22:30:53,016 INFO L82 PathProgramCache]: Analyzing trace with hash -349695596, now seen corresponding path program 1 times [2018-07-20 22:30:53,016 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-20 22:30:53,017 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-20 22:30:53,017 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-20 22:30:53,017 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-20 22:30:53,018 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-20 22:30:53,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-20 22:30:53,168 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 25 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-20 22:30:53,168 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-20 22:30:53,169 INFO L189 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-20 22:30:53,169 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 117 with the following transitions: [2018-07-20 22:30:53,169 INFO L201 CegarAbsIntRunner]: [0], [1], [5], [9], [15], [19], [21], [26], [29], [30], [34], [38], [42], [46], [50], [53], [54], [58], [62], [66], [77], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [164], [168], [172], [176], [180], [184], [195], [199], [203], [207], [211], [215], [219], [223], [234], [238], [242], [246], [257], [261], [265], [269], [273], [277], [281], [292], [296], [307], [311], [322], [333], [337], [341], [345], [349], [353], [357], [368], [372], [376], [380], [384], [388], [392], [396], [403], [411], [419], [427], [431], [433], [887], [888], [889], [890], [892], [893] [2018-07-20 22:30:53,178 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-20 22:30:53,179 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-20 22:31:03,130 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-20 22:31:03,130 INFO L272 AbstractInterpreter]: Visited 63 different actions 63 times. Never merged. Never widened. Never found a fixpoint. Largest state had 38 variables. [2018-07-20 22:31:03,138 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-20 22:31:09,700 INFO L232 lantSequenceWeakener]: Weakened 78 states. On average, predicates are now at 80.37% of their original sizes. [2018-07-20 22:31:09,700 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-20 22:31:10,941 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-20 22:31:10,942 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-20 22:31:10,942 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [5] total 14 [2018-07-20 22:31:10,942 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-20 22:31:10,942 INFO L450 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-07-20 22:31:10,943 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-07-20 22:31:10,943 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2018-07-20 22:31:10,943 INFO L87 Difference]: Start difference. First operand 2894 states and 4067 transitions. Second operand 11 states. [2018-07-20 22:31:20,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-20 22:31:20,582 INFO L93 Difference]: Finished difference Result 5535 states and 7820 transitions. [2018-07-20 22:31:20,601 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-07-20 22:31:20,601 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 116 [2018-07-20 22:31:20,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-20 22:31:20,615 INFO L225 Difference]: With dead ends: 5535 [2018-07-20 22:31:20,616 INFO L226 Difference]: Without dead ends: 2647 [2018-07-20 22:31:20,625 INFO L578 BasicCegarLoop]: 2 DeclaredPredicates, 120 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240 [2018-07-20 22:31:20,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2647 states. [2018-07-20 22:31:20,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2647 to 2639. [2018-07-20 22:31:20,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2639 states. [2018-07-20 22:31:20,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2639 states to 2639 states and 3669 transitions. [2018-07-20 22:31:20,728 INFO L78 Accepts]: Start accepts. Automaton has 2639 states and 3669 transitions. Word has length 116 [2018-07-20 22:31:20,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-20 22:31:20,728 INFO L471 AbstractCegarLoop]: Abstraction has 2639 states and 3669 transitions. [2018-07-20 22:31:20,728 INFO L472 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-07-20 22:31:20,728 INFO L276 IsEmpty]: Start isEmpty. Operand 2639 states and 3669 transitions. [2018-07-20 22:31:20,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-07-20 22:31:20,739 INFO L350 BasicCegarLoop]: Found error trace [2018-07-20 22:31:20,739 INFO L358 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2018-07-20 22:31:20,739 INFO L414 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-20 22:31:20,740 INFO L82 PathProgramCache]: Analyzing trace with hash 1249330805, now seen corresponding path program 1 times [2018-07-20 22:31:20,740 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-20 22:31:20,741 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-20 22:31:20,742 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-20 22:31:20,742 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-20 22:31:20,742 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-20 22:31:20,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-20 22:31:20,953 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 38 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-07-20 22:31:20,953 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-20 22:31:20,953 INFO L189 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-20 22:31:20,953 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 127 with the following transitions: [2018-07-20 22:31:20,954 INFO L201 CegarAbsIntRunner]: [0], [1], [5], [9], [15], [19], [21], [26], [29], [30], [33], [34], [38], [42], [46], [50], [53], [54], [58], [62], [66], [77], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [164], [168], [172], [176], [180], [184], [195], [199], [203], [207], [211], [215], [219], [223], [234], [238], [242], [246], [257], [261], [265], [269], [273], [277], [281], [292], [296], [307], [311], [322], [333], [337], [341], [345], [349], [353], [357], [368], [372], [376], [380], [384], [388], [392], [396], [403], [411], [419], [427], [431], [433], [887], [888], [889], [890], [892], [893] [2018-07-20 22:31:20,959 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-20 22:31:20,959 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) Received shutdown request... [2018-07-20 22:32:19,097 WARN L571 FixpointEngine]: Received timeout, aborting fixpoint engine [2018-07-20 22:32:19,098 WARN L158 AbstractInterpreter]: Abstract interpretation run out of time [2018-07-20 22:32:19,098 INFO L419 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-07-20 22:32:19,098 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-20 22:32:19,098 INFO L189 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) [2018-07-20 22:32:19,119 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-20 22:32:19,119 INFO L282 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-20 22:32:19,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-20 22:32:19,205 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-20 22:32:19,208 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2018-07-20 22:32:19,409 WARN L512 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-20 22:32:19,409 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-20 22:32:19,413 WARN L202 ceAbstractionStarter]: Timeout [2018-07-20 22:32:19,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 10:32:19 BoogieIcfgContainer [2018-07-20 22:32:19,414 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-20 22:32:19,414 INFO L168 Benchmark]: Toolchain (without parser) took 249880.89 ms. Allocated memory was 295.7 MB in the beginning and 2.3 GB in the end (delta: 2.0 GB). Free memory was 239.1 MB in the beginning and 1.5 GB in the end (delta: -1.3 GB). Peak memory consumption was 731.8 MB. Max. memory is 5.3 GB. [2018-07-20 22:32:19,415 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 295.7 MB. Free memory is still 260.2 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-07-20 22:32:19,416 INFO L168 Benchmark]: CACSL2BoogieTranslator took 838.35 ms. Allocated memory is still 295.7 MB. Free memory was 239.1 MB in the beginning and 205.1 MB in the end (delta: 34.1 MB). Peak memory consumption was 34.1 MB. Max. memory is 5.3 GB. [2018-07-20 22:32:19,416 INFO L168 Benchmark]: Boogie Procedure Inliner took 141.62 ms. Allocated memory is still 295.7 MB. Free memory was 205.1 MB in the beginning and 199.0 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 5.3 GB. [2018-07-20 22:32:19,416 INFO L168 Benchmark]: Boogie Preprocessor took 112.94 ms. Allocated memory is still 295.7 MB. Free memory was 199.0 MB in the beginning and 195.1 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 5.3 GB. [2018-07-20 22:32:19,417 INFO L168 Benchmark]: RCFGBuilder took 4176.36 ms. Allocated memory was 295.7 MB in the beginning and 455.1 MB in the end (delta: 159.4 MB). Free memory was 195.1 MB in the beginning and 312.1 MB in the end (delta: -117.1 MB). Peak memory consumption was 58.6 MB. Max. memory is 5.3 GB. [2018-07-20 22:32:19,417 INFO L168 Benchmark]: TraceAbstraction took 244601.35 ms. Allocated memory was 455.1 MB in the beginning and 2.3 GB in the end (delta: 1.8 GB). Free memory was 312.1 MB in the beginning and 1.5 GB in the end (delta: -1.2 GB). Peak memory consumption was 645.4 MB. Max. memory is 5.3 GB. [2018-07-20 22:32:19,420 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 295.7 MB. Free memory is still 260.2 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 838.35 ms. Allocated memory is still 295.7 MB. Free memory was 239.1 MB in the beginning and 205.1 MB in the end (delta: 34.1 MB). Peak memory consumption was 34.1 MB. Max. memory is 5.3 GB. * Boogie Procedure Inliner took 141.62 ms. Allocated memory is still 295.7 MB. Free memory was 205.1 MB in the beginning and 199.0 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 112.94 ms. Allocated memory is still 295.7 MB. Free memory was 199.0 MB in the beginning and 195.1 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 4176.36 ms. Allocated memory was 295.7 MB in the beginning and 455.1 MB in the end (delta: 159.4 MB). Free memory was 195.1 MB in the beginning and 312.1 MB in the end (delta: -117.1 MB). Peak memory consumption was 58.6 MB. Max. memory is 5.3 GB. * TraceAbstraction took 244601.35 ms. Allocated memory was 455.1 MB in the beginning and 2.3 GB in the end (delta: 1.8 GB). Free memory was 312.1 MB in the beginning and 1.5 GB in the end (delta: -1.2 GB). Peak memory consumption was 645.4 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 427]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 427). Cancelled while BasicCegarLoop was analyzing trace of length 127 with TraceHistMax 4, while TraceCheckSpWp was constructing forward predicates, while XnfDer was eliminating 1 quantified variables from 1 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 237 locations, 1 error locations. TIMEOUT Result, 244.4s OverallTime, 6 OverallIterations, 4 TraceHistogramMax, 25.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 933 SDtfs, 3933 SDslu, 913 SDs, 0 SdLazy, 6941 SolverSat, 1375 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16.6s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 666 GetRequests, 590 SyntacticMatches, 5 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 521 ImplicationChecksByTransitivity, 4.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2894occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 206.1s AbstIntTime, 3 AbstIntIterations, 1 AbstIntStrong, 0.9928752551178178 AbsIntWeakeningRatio, 0.28695652173913044 AbsIntAvgWeakeningVarsNumRemoved, 356.5304347826087 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 5 MinimizatonAttempts, 502 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 758 NumberOfCodeBlocks, 758 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 979 ConstructedInterpolants, 0 QuantifiedInterpolants, 180049 SizeOfPredicates, 2 NumberOfNonLiveVariables, 734 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 9 InterpolantComputations, 3 PerfectInterpolantSequences, 160/172 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/Problem02_label43_false-unreach-call_false-termination.c_svcomp-Reach-64bit-Taipan_Default.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-20_22-32-19-433.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/Problem02_label43_false-unreach-call_false-termination.c_svcomp-Reach-64bit-Taipan_Default.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-20_22-32-19-433.csv Completed graceful shutdown