java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_CON-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label58_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ddc4263 [2018-08-08 09:34:58,285 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-08-08 09:34:58,288 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-08-08 09:34:58,300 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-08-08 09:34:58,301 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-08-08 09:34:58,302 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-08-08 09:34:58,303 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-08-08 09:34:58,305 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-08-08 09:34:58,307 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-08-08 09:34:58,308 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-08-08 09:34:58,309 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-08-08 09:34:58,309 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-08-08 09:34:58,310 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-08-08 09:34:58,311 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-08-08 09:34:58,312 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-08-08 09:34:58,313 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-08-08 09:34:58,314 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-08-08 09:34:58,316 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-08-08 09:34:58,318 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-08-08 09:34:58,320 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-08-08 09:34:58,321 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-08-08 09:34:58,322 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-08-08 09:34:58,325 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-08-08 09:34:58,335 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_CON-OldIcfg.epf [2018-08-08 09:34:58,364 INFO L110 SettingsManager]: Loading preferences was successful [2018-08-08 09:34:58,365 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-08-08 09:34:58,366 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-08-08 09:34:58,366 INFO L133 SettingsManager]: * User list type=DISABLED [2018-08-08 09:34:58,367 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-08-08 09:34:58,367 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-08-08 09:34:58,367 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-08-08 09:34:58,368 INFO L133 SettingsManager]: * Octagon Domain=false [2018-08-08 09:34:58,368 INFO L133 SettingsManager]: * Abstract domain=CongruenceDomain [2018-08-08 09:34:58,368 INFO L133 SettingsManager]: * Log string format=TERM [2018-08-08 09:34:58,369 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-08-08 09:34:58,369 INFO L133 SettingsManager]: * Interval Domain=false [2018-08-08 09:34:58,370 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-08-08 09:34:58,370 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-08-08 09:34:58,370 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-08-08 09:34:58,371 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-08-08 09:34:58,371 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-08-08 09:34:58,371 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-08-08 09:34:58,371 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-08-08 09:34:58,371 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-08-08 09:34:58,372 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-08-08 09:34:58,372 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-08-08 09:34:58,372 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-08-08 09:34:58,372 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-08-08 09:34:58,374 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-08-08 09:34:58,374 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-08-08 09:34:58,375 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-08-08 09:34:58,375 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-08-08 09:34:58,375 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-08-08 09:34:58,375 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-08-08 09:34:58,376 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-08-08 09:34:58,376 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-08-08 09:34:58,376 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-08-08 09:34:58,376 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-08-08 09:34:58,445 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-08-08 09:34:58,464 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-08-08 09:34:58,468 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-08-08 09:34:58,470 INFO L271 PluginConnector]: Initializing CDTParser... [2018-08-08 09:34:58,471 INFO L276 PluginConnector]: CDTParser initialized [2018-08-08 09:34:58,471 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label58_true-unreach-call_false-termination.c [2018-08-08 09:34:58,841 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d43a9a12/310dd2a0a79a40f3b3ac418c2a7e85c3/FLAG3942c62b6 [2018-08-08 09:34:59,152 INFO L276 CDTParser]: Found 1 translation units. [2018-08-08 09:34:59,153 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label58_true-unreach-call_false-termination.c [2018-08-08 09:34:59,170 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d43a9a12/310dd2a0a79a40f3b3ac418c2a7e85c3/FLAG3942c62b6 [2018-08-08 09:34:59,185 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d43a9a12/310dd2a0a79a40f3b3ac418c2a7e85c3 [2018-08-08 09:34:59,195 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-08-08 09:34:59,197 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-08-08 09:34:59,198 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-08-08 09:34:59,198 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-08-08 09:34:59,205 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-08-08 09:34:59,206 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 09:34:59" (1/1) ... [2018-08-08 09:34:59,209 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b3adaad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:34:59, skipping insertion in model container [2018-08-08 09:34:59,210 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 09:34:59" (1/1) ... [2018-08-08 09:34:59,457 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-08-08 09:34:59,786 INFO L175 PostProcessor]: Settings: Checked method=main [2018-08-08 09:34:59,807 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-08-08 09:34:59,935 INFO L175 PostProcessor]: Settings: Checked method=main [2018-08-08 09:34:59,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:34:59 WrapperNode [2018-08-08 09:34:59,980 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-08-08 09:34:59,981 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-08-08 09:34:59,981 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-08-08 09:34:59,981 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-08-08 09:34:59,991 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:34:59" (1/1) ... [2018-08-08 09:35:00,017 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:34:59" (1/1) ... [2018-08-08 09:35:00,065 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-08-08 09:35:00,065 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-08-08 09:35:00,066 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-08-08 09:35:00,066 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-08-08 09:35:00,082 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:34:59" (1/1) ... [2018-08-08 09:35:00,082 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:34:59" (1/1) ... [2018-08-08 09:35:00,088 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:34:59" (1/1) ... [2018-08-08 09:35:00,088 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:34:59" (1/1) ... [2018-08-08 09:35:00,108 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:34:59" (1/1) ... [2018-08-08 09:35:00,120 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:34:59" (1/1) ... [2018-08-08 09:35:00,126 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:34:59" (1/1) ... [2018-08-08 09:35:00,133 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-08-08 09:35:00,134 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-08-08 09:35:00,134 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-08-08 09:35:00,134 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-08-08 09:35:00,136 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:34:59" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-08-08 09:35:00,359 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_output [2018-08-08 09:35:00,359 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_output [2018-08-08 09:35:00,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-08-08 09:35:00,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-08-08 09:35:00,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-08-08 09:35:00,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-08-08 09:35:00,361 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-08-08 09:35:00,361 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-08-08 09:35:03,687 INFO L273 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-08-08 09:35:03,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 09:35:03 BoogieIcfgContainer [2018-08-08 09:35:03,687 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-08-08 09:35:03,688 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-08-08 09:35:03,689 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-08-08 09:35:03,692 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-08-08 09:35:03,693 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.08 09:34:59" (1/3) ... [2018-08-08 09:35:03,694 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20b5f463 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.08 09:35:03, skipping insertion in model container [2018-08-08 09:35:03,694 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:34:59" (2/3) ... [2018-08-08 09:35:03,694 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20b5f463 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.08 09:35:03, skipping insertion in model container [2018-08-08 09:35:03,695 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 09:35:03" (3/3) ... [2018-08-08 09:35:03,697 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label58_true-unreach-call_false-termination.c [2018-08-08 09:35:03,708 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-08-08 09:35:03,719 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-08-08 09:35:03,774 INFO L129 ementStrategyFactory]: Using default assertion order modulation [2018-08-08 09:35:03,774 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-08-08 09:35:03,775 INFO L382 AbstractCegarLoop]: Hoare is true [2018-08-08 09:35:03,775 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-08-08 09:35:03,775 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-08-08 09:35:03,775 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-08-08 09:35:03,775 INFO L386 AbstractCegarLoop]: Difference is false [2018-08-08 09:35:03,775 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-08-08 09:35:03,776 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-08-08 09:35:03,802 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states. [2018-08-08 09:35:03,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-08-08 09:35:03,815 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 09:35:03,816 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-08-08 09:35:03,818 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-08 09:35:03,823 INFO L82 PathProgramCache]: Analyzing trace with hash -603411376, now seen corresponding path program 1 times [2018-08-08 09:35:03,825 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 09:35:03,826 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 107 with the following transitions: [2018-08-08 09:35:03,829 INFO L202 CegarAbsIntRunner]: [0], [4], [8], [12], [16], [20], [24], [28], [32], [36], [40], [44], [48], [52], [56], [60], [64], [68], [72], [76], [80], [84], [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], [188], [192], [196], [200], [204], [208], [212], [216], [220], [224], [228], [232], [236], [240], [244], [248], [252], [256], [260], [264], [271], [279], [287], [295], [303], [311], [319], [327], [335], [343], [351], [359], [367], [375], [383], [391], [399], [407], [415], [423], [431], [439], [447], [455], [463], [471], [479], [483], [485], [756], [757], [761], [765], [771], [775], [782], [783], [784], [786] [2018-08-08 09:35:03,877 INFO L148 AbstractInterpreter]: Using domain CongruenceDomain [2018-08-08 09:35:03,878 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CongruenceDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 09:35:04,237 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 09:35:04,238 INFO L272 AbstractInterpreter]: Visited 105 different actions 105 times. Never merged. Never widened. Never found a fixpoint. Largest state had 41 variables. [2018-08-08 09:35:04,282 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 09:35:04,598 INFO L232 lantSequenceWeakener]: Weakened 103 states. On average, predicates are now at 80.26% of their original sizes. [2018-08-08 09:35:04,599 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 09:35:04,842 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 09:35:04,844 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 09:35:04,844 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-08-08 09:35:04,845 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 09:35:04,853 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-08-08 09:35:04,860 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-08-08 09:35:04,861 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-08-08 09:35:04,863 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 6 states. [2018-08-08 09:35:07,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 09:35:07,838 INFO L93 Difference]: Finished difference Result 552 states and 944 transitions. [2018-08-08 09:35:07,839 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-08-08 09:35:07,840 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 106 [2018-08-08 09:35:07,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 09:35:07,859 INFO L225 Difference]: With dead ends: 552 [2018-08-08 09:35:07,859 INFO L226 Difference]: Without dead ends: 342 [2018-08-08 09:35:07,865 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 106 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-08-08 09:35:07,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2018-08-08 09:35:07,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 340. [2018-08-08 09:35:07,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-08-08 09:35:07,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 473 transitions. [2018-08-08 09:35:07,945 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 473 transitions. Word has length 106 [2018-08-08 09:35:07,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 09:35:07,946 INFO L480 AbstractCegarLoop]: Abstraction has 340 states and 473 transitions. [2018-08-08 09:35:07,946 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-08-08 09:35:07,946 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 473 transitions. [2018-08-08 09:35:07,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-08-08 09:35:07,953 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 09:35:07,954 INFO L376 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-08-08 09:35:07,954 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-08 09:35:07,954 INFO L82 PathProgramCache]: Analyzing trace with hash 1701031985, now seen corresponding path program 1 times [2018-08-08 09:35:07,955 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 09:35:07,955 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 116 with the following transitions: [2018-08-08 09:35:07,956 INFO L202 CegarAbsIntRunner]: [0], [3], [4], [8], [12], [16], [20], [24], [28], [32], [36], [40], [44], [48], [52], [56], [60], [64], [68], [72], [76], [80], [84], [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], [188], [192], [196], [200], [204], [208], [212], [216], [220], [224], [228], [232], [236], [240], [244], [248], [252], [256], [260], [264], [271], [279], [287], [295], [303], [311], [319], [327], [335], [343], [351], [359], [367], [375], [383], [391], [399], [407], [415], [423], [431], [439], [447], [455], [463], [471], [479], [483], [485], [755], [756], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-08-08 09:35:07,959 INFO L148 AbstractInterpreter]: Using domain CongruenceDomain [2018-08-08 09:35:07,960 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CongruenceDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 09:35:08,322 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 09:35:08,323 INFO L272 AbstractInterpreter]: Visited 109 different actions 212 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-08-08 09:35:08,363 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 09:35:08,691 INFO L232 lantSequenceWeakener]: Weakened 112 states. On average, predicates are now at 80.32% of their original sizes. [2018-08-08 09:35:08,691 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 09:35:08,968 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 09:35:08,969 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 09:35:08,969 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-08-08 09:35:08,969 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 09:35:08,971 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-08-08 09:35:08,971 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-08-08 09:35:08,971 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-08-08 09:35:08,971 INFO L87 Difference]: Start difference. First operand 340 states and 473 transitions. Second operand 9 states. [2018-08-08 09:35:12,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 09:35:12,713 INFO L93 Difference]: Finished difference Result 679 states and 1068 transitions. [2018-08-08 09:35:12,716 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-08-08 09:35:12,716 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 115 [2018-08-08 09:35:12,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 09:35:12,723 INFO L225 Difference]: With dead ends: 679 [2018-08-08 09:35:12,723 INFO L226 Difference]: Without dead ends: 481 [2018-08-08 09:35:12,726 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 120 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2018-08-08 09:35:12,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2018-08-08 09:35:12,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 478. [2018-08-08 09:35:12,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 478 states. [2018-08-08 09:35:12,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 625 transitions. [2018-08-08 09:35:12,767 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 625 transitions. Word has length 115 [2018-08-08 09:35:12,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 09:35:12,768 INFO L480 AbstractCegarLoop]: Abstraction has 478 states and 625 transitions. [2018-08-08 09:35:12,768 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-08-08 09:35:12,768 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 625 transitions. [2018-08-08 09:35:12,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-08-08 09:35:12,774 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 09:35:12,775 INFO L376 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-08-08 09:35:12,775 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-08 09:35:12,775 INFO L82 PathProgramCache]: Analyzing trace with hash -1554819069, now seen corresponding path program 1 times [2018-08-08 09:35:12,775 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 09:35:12,776 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 119 with the following transitions: [2018-08-08 09:35:12,776 INFO L202 CegarAbsIntRunner]: [0], [4], [8], [12], [15], [16], [20], [24], [28], [32], [36], [40], [44], [48], [52], [56], [60], [64], [68], [72], [76], [80], [84], [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], [188], [192], [196], [200], [204], [208], [212], [216], [220], [224], [228], [232], [236], [240], [244], [248], [252], [256], [260], [264], [271], [279], [287], [295], [303], [311], [319], [327], [335], [343], [351], [359], [367], [375], [383], [391], [399], [407], [415], [423], [431], [439], [447], [455], [463], [471], [479], [483], [485], [755], [756], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-08-08 09:35:12,780 INFO L148 AbstractInterpreter]: Using domain CongruenceDomain [2018-08-08 09:35:12,780 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CongruenceDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 09:35:13,029 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 09:35:13,029 INFO L272 AbstractInterpreter]: Visited 109 different actions 211 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-08-08 09:35:13,068 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 09:35:13,270 INFO L232 lantSequenceWeakener]: Weakened 115 states. On average, predicates are now at 80.31% of their original sizes. [2018-08-08 09:35:13,270 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 09:35:13,931 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 09:35:13,931 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 09:35:13,932 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-08-08 09:35:13,932 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 09:35:13,932 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-08-08 09:35:13,933 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-08-08 09:35:13,933 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-08-08 09:35:13,933 INFO L87 Difference]: Start difference. First operand 478 states and 625 transitions. Second operand 9 states. [2018-08-08 09:35:17,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 09:35:17,506 INFO L93 Difference]: Finished difference Result 998 states and 1569 transitions. [2018-08-08 09:35:17,511 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-08-08 09:35:17,511 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 118 [2018-08-08 09:35:17,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 09:35:17,519 INFO L225 Difference]: With dead ends: 998 [2018-08-08 09:35:17,519 INFO L226 Difference]: Without dead ends: 800 [2018-08-08 09:35:17,520 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 124 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-08-08 09:35:17,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2018-08-08 09:35:17,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 793. [2018-08-08 09:35:17,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 793 states. [2018-08-08 09:35:17,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 793 states and 959 transitions. [2018-08-08 09:35:17,577 INFO L78 Accepts]: Start accepts. Automaton has 793 states and 959 transitions. Word has length 118 [2018-08-08 09:35:17,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 09:35:17,578 INFO L480 AbstractCegarLoop]: Abstraction has 793 states and 959 transitions. [2018-08-08 09:35:17,578 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-08-08 09:35:17,578 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 959 transitions. [2018-08-08 09:35:17,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-08-08 09:35:17,585 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 09:35:17,586 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-08-08 09:35:17,586 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-08 09:35:17,586 INFO L82 PathProgramCache]: Analyzing trace with hash 256081374, now seen corresponding path program 1 times [2018-08-08 09:35:17,587 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 09:35:17,587 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 128 with the following transitions: [2018-08-08 09:35:17,587 INFO L202 CegarAbsIntRunner]: [0], [3], [4], [8], [12], [15], [16], [20], [24], [28], [32], [36], [40], [44], [48], [52], [56], [60], [64], [68], [72], [76], [80], [84], [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], [188], [192], [196], [200], [204], [208], [212], [216], [220], [224], [228], [232], [236], [240], [244], [248], [252], [256], [260], [264], [271], [279], [287], [295], [303], [311], [319], [327], [335], [343], [351], [359], [367], [375], [383], [391], [399], [407], [415], [423], [431], [439], [447], [455], [463], [471], [479], [483], [485], [755], [756], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-08-08 09:35:17,591 INFO L148 AbstractInterpreter]: Using domain CongruenceDomain [2018-08-08 09:35:17,591 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CongruenceDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 09:35:18,055 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 09:35:18,055 INFO L272 AbstractInterpreter]: Visited 110 different actions 430 times. Merged at 7 different actions 23 times. Never widened. Found 5 fixpoints after 2 different actions. Largest state had 42 variables. [2018-08-08 09:35:18,059 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 09:35:18,185 INFO L232 lantSequenceWeakener]: Weakened 124 states. On average, predicates are now at 83.5% of their original sizes. [2018-08-08 09:35:18,185 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 09:35:18,346 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 09:35:18,346 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 09:35:18,346 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-08-08 09:35:18,347 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 09:35:18,347 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-08-08 09:35:18,347 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-08-08 09:35:18,347 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-08-08 09:35:18,348 INFO L87 Difference]: Start difference. First operand 793 states and 959 transitions. Second operand 9 states. [2018-08-08 09:35:22,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 09:35:22,403 INFO L93 Difference]: Finished difference Result 1596 states and 2099 transitions. [2018-08-08 09:35:22,403 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-08-08 09:35:22,403 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 127 [2018-08-08 09:35:22,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 09:35:22,414 INFO L225 Difference]: With dead ends: 1596 [2018-08-08 09:35:22,414 INFO L226 Difference]: Without dead ends: 1083 [2018-08-08 09:35:22,416 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 133 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-08-08 09:35:22,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1083 states. [2018-08-08 09:35:22,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1083 to 1062. [2018-08-08 09:35:22,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1062 states. [2018-08-08 09:35:22,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1062 states to 1062 states and 1316 transitions. [2018-08-08 09:35:22,454 INFO L78 Accepts]: Start accepts. Automaton has 1062 states and 1316 transitions. Word has length 127 [2018-08-08 09:35:22,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 09:35:22,455 INFO L480 AbstractCegarLoop]: Abstraction has 1062 states and 1316 transitions. [2018-08-08 09:35:22,455 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-08-08 09:35:22,455 INFO L276 IsEmpty]: Start isEmpty. Operand 1062 states and 1316 transitions. [2018-08-08 09:35:22,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-08-08 09:35:22,458 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 09:35:22,458 INFO L376 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-08-08 09:35:22,458 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-08 09:35:22,459 INFO L82 PathProgramCache]: Analyzing trace with hash -1800941235, now seen corresponding path program 1 times [2018-08-08 09:35:22,459 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 09:35:22,459 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 142 with the following transitions: [2018-08-08 09:35:22,460 INFO L202 CegarAbsIntRunner]: [0], [3], [4], [8], [12], [15], [16], [20], [23], [24], [28], [32], [36], [40], [44], [48], [52], [56], [60], [64], [68], [72], [76], [80], [84], [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], [188], [192], [196], [200], [204], [208], [212], [216], [220], [224], [228], [232], [236], [240], [244], [248], [252], [256], [260], [264], [271], [279], [287], [295], [303], [311], [319], [327], [335], [343], [351], [359], [367], [375], [383], [391], [399], [407], [415], [423], [431], [439], [447], [455], [463], [471], [479], [483], [485], [755], [756], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-08-08 09:35:22,465 INFO L148 AbstractInterpreter]: Using domain CongruenceDomain [2018-08-08 09:35:22,465 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CongruenceDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 09:35:23,027 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 09:35:23,027 INFO L272 AbstractInterpreter]: Visited 111 different actions 545 times. Merged at 8 different actions 34 times. Never widened. Found 8 fixpoints after 2 different actions. Largest state had 42 variables. [2018-08-08 09:35:23,035 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 09:35:23,292 INFO L232 lantSequenceWeakener]: Weakened 138 states. On average, predicates are now at 83.8% of their original sizes. [2018-08-08 09:35:23,292 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 09:35:23,406 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 09:35:23,406 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 09:35:23,407 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-08-08 09:35:23,407 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 09:35:23,407 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-08-08 09:35:23,408 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-08-08 09:35:23,408 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-08-08 09:35:23,408 INFO L87 Difference]: Start difference. First operand 1062 states and 1316 transitions. Second operand 9 states. [2018-08-08 09:35:26,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 09:35:26,853 INFO L93 Difference]: Finished difference Result 2149 states and 2801 transitions. [2018-08-08 09:35:26,853 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-08-08 09:35:26,853 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 141 [2018-08-08 09:35:26,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 09:35:26,861 INFO L225 Difference]: With dead ends: 2149 [2018-08-08 09:35:26,861 INFO L226 Difference]: Without dead ends: 1367 [2018-08-08 09:35:26,864 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 149 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2018-08-08 09:35:26,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1367 states. [2018-08-08 09:35:26,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1367 to 1335. [2018-08-08 09:35:26,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1335 states. [2018-08-08 09:35:26,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1335 states to 1335 states and 1689 transitions. [2018-08-08 09:35:26,908 INFO L78 Accepts]: Start accepts. Automaton has 1335 states and 1689 transitions. Word has length 141 [2018-08-08 09:35:26,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 09:35:26,909 INFO L480 AbstractCegarLoop]: Abstraction has 1335 states and 1689 transitions. [2018-08-08 09:35:26,909 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-08-08 09:35:26,909 INFO L276 IsEmpty]: Start isEmpty. Operand 1335 states and 1689 transitions. [2018-08-08 09:35:26,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-08-08 09:35:26,913 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 09:35:26,913 INFO L376 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-08-08 09:35:26,914 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-08 09:35:26,914 INFO L82 PathProgramCache]: Analyzing trace with hash 890475384, now seen corresponding path program 1 times [2018-08-08 09:35:26,914 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 09:35:26,914 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 158 with the following transitions: [2018-08-08 09:35:26,915 INFO L202 CegarAbsIntRunner]: [0], [3], [4], [8], [12], [15], [16], [20], [23], [24], [28], [31], [32], [36], [40], [44], [48], [52], [56], [60], [64], [68], [72], [76], [80], [84], [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], [188], [192], [196], [200], [204], [208], [212], [216], [220], [224], [228], [232], [236], [240], [244], [248], [252], [256], [260], [264], [271], [279], [287], [295], [303], [311], [319], [327], [335], [343], [351], [359], [367], [375], [383], [391], [399], [407], [415], [423], [431], [439], [447], [455], [463], [471], [479], [483], [485], [755], [756], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-08-08 09:35:26,920 INFO L148 AbstractInterpreter]: Using domain CongruenceDomain [2018-08-08 09:35:26,920 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CongruenceDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 09:35:27,445 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-08-08 09:35:27,445 INFO L272 AbstractInterpreter]: Visited 113 different actions 665 times. Merged at 9 different actions 47 times. Widened at 1 different actions 1 times. Found 12 fixpoints after 2 different actions. Largest state had 42 variables. [2018-08-08 09:35:27,455 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-08-08 09:35:27,486 WARN L205 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2018-08-08 09:35:27,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.08 09:35:27 BoogieIcfgContainer [2018-08-08 09:35:27,486 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-08-08 09:35:27,487 INFO L168 Benchmark]: Toolchain (without parser) took 28291.96 ms. Allocated memory was 1.5 GB in the beginning and 2.6 GB in the end (delta: 1.1 GB). Free memory was 1.4 GB in the beginning and 1.7 GB in the end (delta: -290.7 MB). Peak memory consumption was 805.6 MB. Max. memory is 7.1 GB. [2018-08-08 09:35:27,489 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-08-08 09:35:27,490 INFO L168 Benchmark]: CACSL2BoogieTranslator took 782.07 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-08-08 09:35:27,490 INFO L168 Benchmark]: Boogie Procedure Inliner took 84.41 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-08-08 09:35:27,491 INFO L168 Benchmark]: Boogie Preprocessor took 68.14 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-08-08 09:35:27,492 INFO L168 Benchmark]: RCFGBuilder took 3553.60 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 756.5 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -743.6 MB). Peak memory consumption was 31.5 MB. Max. memory is 7.1 GB. [2018-08-08 09:35:27,493 INFO L168 Benchmark]: TraceAbstraction took 23798.11 ms. Allocated memory was 2.3 GB in the beginning and 2.6 GB in the end (delta: 339.7 MB). Free memory was 2.1 GB in the beginning and 1.7 GB in the end (delta: 396.6 MB). Peak memory consumption was 736.3 MB. Max. memory is 7.1 GB. [2018-08-08 09:35:27,497 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 782.07 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 84.41 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 68.14 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 3553.60 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 756.5 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -743.6 MB). Peak memory consumption was 31.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 23798.11 ms. Allocated memory was 2.3 GB in the beginning and 2.6 GB in the end (delta: 339.7 MB). Free memory was 2.1 GB in the beginning and 1.7 GB in the end (delta: 396.6 MB). Peak memory consumption was 736.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 473]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L7] int a= 1; [L8] int d= 4; [L9] int e= 5; [L10] int f= 6; [L11] int c= 3; [L12] int b= 2; [L15] int u = 21; [L16] int v = 22; [L17] int w = 23; [L18] int x = 24; [L19] int y = 25; [L20] int z = 26; [L22] int a17 = 1; [L23] int a7 = 0; [L24] int a20 = 1; [L25] int a8 = 15; [L26] int a12 = 8; [L27] int a16 = 5; [L28] int a21 = 1; [L580] int output = -1; [L583] COND TRUE 1 [L586] int input; [L587] input = __VERIFIER_nondet_int() [L588] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L591] CALL, EXPR calculate_output(input) [L31] COND FALSE !((((a8==15)&&(((((a21==1)&&(((a16==5)||(a16==6))&&(input==1)))&&(a20==1))&&(a17==1))&&!(a7==1)))&&(a12==8))) [L35] COND FALSE !((((((((input==5)&&((((a16==6)&&(a17==1))||(!(a17==1)&&(a16==4)))||(!(a17==1)&&(a16==5))))&&(a20==1))&&(a12==8))&&(a7==1))&&!(a21==1))&&(a8==13))) [L43] COND FALSE !(((!(a7==1)&&((((a16==6)&&((a21==1)&&((a17==1)&&(input==3))))&&!(a20==1))&&(a8==15)))&&(a12==8))) [L49] COND TRUE ((a17==1)&&((!(a7==1)&&(((a21==1)&&((((a16==5)||(a16==6))&&(input==6))&&(a20==1)))&&(a8==15)))&&(a12==8))) [L50] a8 = 13 [L51] a7 = 1 [L52] a16 = 4 [L53] RET return -1; [L591] EXPR calculate_output(input) [L591] output = calculate_output(input) [L583] COND TRUE 1 [L586] int input; [L587] input = __VERIFIER_nondet_int() [L588] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L591] CALL, EXPR calculate_output(input) [L31] COND TRUE (((a8==15)&&(((((a21==1)&&(((a16==5)||(a16==6))&&(input==1)))&&(a20==1))&&(a17==1))&&!(a7==1)))&&(a12==8)) [L32] a16 = 5 [L33] a20 = 0 [L34] RET return 24; [L591] EXPR calculate_output(input) [L591] output = calculate_output(input) [L583] COND TRUE 1 [L586] int input; [L587] input = __VERIFIER_nondet_int() [L588] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L591] CALL, EXPR calculate_output(input) [L31] COND FALSE !((((a8==15)&&(((((a21==1)&&(((a16==5)||(a16==6))&&(input==1)))&&(a20==1))&&(a17==1))&&!(a7==1)))&&(a12==8))) [L35] COND FALSE !((((((((input==5)&&((((a16==6)&&(a17==1))||(!(a17==1)&&(a16==4)))||(!(a17==1)&&(a16==5))))&&(a20==1))&&(a12==8))&&(a7==1))&&!(a21==1))&&(a8==13))) [L43] COND FALSE !(((!(a7==1)&&((((a16==6)&&((a21==1)&&((a17==1)&&(input==3))))&&!(a20==1))&&(a8==15)))&&(a12==8))) [L49] COND FALSE !(((a17==1)&&((!(a7==1)&&(((a21==1)&&((((a16==5)||(a16==6))&&(input==6))&&(a20==1)))&&(a8==15)))&&(a12==8)))) [L54] COND FALSE !((((input==3)&&((((a16==6)&&((!(a20==1)&&(!(a7==1)&&!(a17==1)))&&(a8==15)))&&(a21==1))||((((a8==13)&&((a20==1)&&((a17==1)&&(a7==1))))&&(a16==4))&&!(a21==1))))&&(a12==8))) [L62] COND TRUE (((a17==1)&&(((a21==1)&&((!(a7==1)&&((input==4)&&(a8==15)))&&!(a20==1)))&&(a12==8)))&&(a16==6)) [L63] a17 = 0 [L64] RET return 26; [L591] EXPR calculate_output(input) [L591] output = calculate_output(input) [L583] COND TRUE 1 [L586] int input; [L587] input = __VERIFIER_nondet_int() [L588] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L591] CALL, EXPR calculate_output(input) [L31] COND FALSE !((((a8==15)&&(((((a21==1)&&(((a16==5)||(a16==6))&&(input==1)))&&(a20==1))&&(a17==1))&&!(a7==1)))&&(a12==8))) [L35] COND FALSE !((((((((input==5)&&((((a16==6)&&(a17==1))||(!(a17==1)&&(a16==4)))||(!(a17==1)&&(a16==5))))&&(a20==1))&&(a12==8))&&(a7==1))&&!(a21==1))&&(a8==13))) [L43] COND FALSE !(((!(a7==1)&&((((a16==6)&&((a21==1)&&((a17==1)&&(input==3))))&&!(a20==1))&&(a8==15)))&&(a12==8))) [L49] COND FALSE !(((a17==1)&&((!(a7==1)&&(((a21==1)&&((((a16==5)||(a16==6))&&(input==6))&&(a20==1)))&&(a8==15)))&&(a12==8)))) [L54] COND FALSE !((((input==3)&&((((a16==6)&&((!(a20==1)&&(!(a7==1)&&!(a17==1)))&&(a8==15)))&&(a21==1))||((((a8==13)&&((a20==1)&&((a17==1)&&(a7==1))))&&(a16==4))&&!(a21==1))))&&(a12==8))) [L62] COND FALSE !((((a17==1)&&(((a21==1)&&((!(a7==1)&&((input==4)&&(a8==15)))&&!(a20==1)))&&(a12==8)))&&(a16==6))) [L65] COND FALSE !((((a12==8)&&(((a21==1)&&((((input==5)&&!(a7==1))&&(a8==15))&&(a16==5)))&&!(a20==1)))&&!(a17==1))) [L72] COND TRUE ((a12==8)&&((input==1)&&(((a21==1)&&(((a8==15)&&((!(a17==1)&&!(a7==1))&&!(a20==1)))&&(a16==6)))||(!(a21==1)&&((a16==4)&&((a8==13)&&(((a17==1)&&(a7==1))&&(a20==1)))))))) [L73] a7 = 1 [L74] a17 = 1 [L75] a21 = 0 [L76] a20 = 1 [L77] a8 = 13 [L78] a16 = 5 [L79] RET return 26; [L591] EXPR calculate_output(input) [L591] output = calculate_output(input) [L583] COND TRUE 1 [L586] int input; [L587] input = __VERIFIER_nondet_int() [L588] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L591] CALL calculate_output(input) [L31] COND FALSE !((((a8==15)&&(((((a21==1)&&(((a16==5)||(a16==6))&&(input==1)))&&(a20==1))&&(a17==1))&&!(a7==1)))&&(a12==8))) [L35] COND FALSE !((((((((input==5)&&((((a16==6)&&(a17==1))||(!(a17==1)&&(a16==4)))||(!(a17==1)&&(a16==5))))&&(a20==1))&&(a12==8))&&(a7==1))&&!(a21==1))&&(a8==13))) [L43] COND FALSE !(((!(a7==1)&&((((a16==6)&&((a21==1)&&((a17==1)&&(input==3))))&&!(a20==1))&&(a8==15)))&&(a12==8))) [L49] COND FALSE !(((a17==1)&&((!(a7==1)&&(((a21==1)&&((((a16==5)||(a16==6))&&(input==6))&&(a20==1)))&&(a8==15)))&&(a12==8)))) [L54] COND FALSE !((((input==3)&&((((a16==6)&&((!(a20==1)&&(!(a7==1)&&!(a17==1)))&&(a8==15)))&&(a21==1))||((((a8==13)&&((a20==1)&&((a17==1)&&(a7==1))))&&(a16==4))&&!(a21==1))))&&(a12==8))) [L62] COND FALSE !((((a17==1)&&(((a21==1)&&((!(a7==1)&&((input==4)&&(a8==15)))&&!(a20==1)))&&(a12==8)))&&(a16==6))) [L65] COND FALSE !((((a12==8)&&(((a21==1)&&((((input==5)&&!(a7==1))&&(a8==15))&&(a16==5)))&&!(a20==1)))&&!(a17==1))) [L72] COND FALSE !(((a12==8)&&((input==1)&&(((a21==1)&&(((a8==15)&&((!(a17==1)&&!(a7==1))&&!(a20==1)))&&(a16==6)))||(!(a21==1)&&((a16==4)&&((a8==13)&&(((a17==1)&&(a7==1))&&(a20==1))))))))) [L80] COND FALSE !(((((!(a17==1)&&(!(a7==1)&&((a21==1)&&((a8==15)&&(input==4)))))&&!(a20==1))&&(a12==8))&&(a16==4))) [L84] COND FALSE !(((((((a16==6)&&((!(a20==1)&&(!(a17==1)&&!(a7==1)))&&(a8==15)))&&(a21==1))||(((a16==4)&&(((a20==1)&&((a17==1)&&(a7==1)))&&(a8==13)))&&!(a21==1)))&&(input==2))&&(a12==8))) [L92] COND FALSE !(((a8==13)&&(!(a21==1)&&((((input==3)&&((((a20==1)&&!(a17==1))&&(a16==6))||((!(a20==1)&&(a17==1))&&(a16==4))))&&(a12==8))&&(a7==1))))) [L97] COND FALSE !(((((a21==1)&&((a12==8)&&((input==1)&&(((!(a20==1)&&(a17==1))&&(a16==4))||(((a16==5)&&(!(a17==1)&&(a20==1)))||((a16==6)&&(!(a17==1)&&(a20==1))))))))&&!(a7==1))&&(a8==15))) [L102] COND FALSE !((((a16==5)&&(((a7==1)&&((!(a21==1)&&((a12==8)&&(input==3)))&&(a8==13)))&&(a17==1)))&&(a20==1))) [L108] COND FALSE !(((a17==1)&&(((a8==15)&&(((a12==8)&&((!(a7==1)&&(input==5))&&(a21==1)))&&!(a20==1)))&&(a16==5)))) [L114] COND FALSE !((!(a7==1)&&(((((a21==1)&&(((a8==15)&&(input==5))&&!(a17==1)))&&(a12==8))&&(a20==1))&&(a16==4)))) [L119] COND FALSE !(((!(a21==1)&&(((a12==8)&&((((a16==6)&&((a20==1)&&!(a17==1)))||((!(a20==1)&&(a17==1))&&(a16==4)))&&(input==1)))&&(a8==13)))&&(a7==1))) [L124] COND FALSE !(((a17==1)&&(!(a7==1)&&(((a21==1)&&(((a12==8)&&((input==5)&&((a16==5)||(a16==6))))&&(a20==1)))&&(a8==15))))) [L129] COND FALSE !((((a12==8)&&(!(a21==1)&&((a7==1)&&((a8==13)&&((input==6)&&((((a16==6)&&(a17==1))||((a16==4)&&!(a17==1)))||((a16==5)&&!(a17==1))))))))&&(a20==1))) [L136] COND FALSE !((((a16==5)&&((((a8==15)&&((!(a7==1)&&(input==2))&&(a21==1)))&&(a12==8))&&!(a20==1)))&&!(a17==1))) [L140] COND FALSE !((!(a20==1)&&((a21==1)&&((a16==4)&&((a8==15)&&(((a12==8)&&((input==2)&&!(a7==1)))&&!(a17==1))))))) [L144] COND FALSE !((((a21==1)&&(!(a7==1)&&((!(a20==1)&&(!(a17==1)&&((a12==8)&&(input==6))))&&(a16==4))))&&(a8==15))) [L148] COND FALSE !(((a17==1)&&((((((a12==8)&&((input==4)&&(a8==13)))&&(a20==1))&&!(a21==1))&&(a16==5))&&(a7==1)))) [L152] COND FALSE !(((((a8==13)&&((a12==8)&&((((((a16==6)&&(a17==1))||(!(a17==1)&&(a16==4)))||(!(a17==1)&&(a16==5)))&&(input==1))&&!(a21==1))))&&(a20==1))&&(a7==1))) [L160] COND FALSE !(((a8==13)&&(!(a21==1)&&((((((!(a17==1)&&(a20==1))&&(a16==6))||((a16==4)&&((a17==1)&&!(a20==1))))&&(input==5))&&(a7==1))&&(a12==8))))) [L165] COND FALSE !(((!(a21==1)&&((((((a16==6)&&((a20==1)&&!(a17==1)))||(((a17==1)&&!(a20==1))&&(a16==4)))&&(input==4))&&(a7==1))&&(a12==8)))&&(a8==13))) [L173] COND FALSE !((((a21==1)&&(!(a7==1)&&((((((a16==5)&&((a20==1)&&!(a17==1)))||((!(a17==1)&&(a20==1))&&(a16==6)))||((a16==4)&&((a17==1)&&!(a20==1))))&&(input==4))&&(a12==8))))&&(a8==15))) [L178] COND FALSE !(((((((a16==6)&&((!(a20==1)&&(!(a17==1)&&!(a7==1)))&&(a8==15)))&&(a21==1))||(((a16==4)&&((((a7==1)&&(a17==1))&&(a20==1))&&(a8==13)))&&!(a21==1)))&&(input==4))&&(a12==8))) [L186] COND FALSE !((!(a17==1)&&(((a12==8)&&(!(a20==1)&&(((a8==15)&&((a21==1)&&(input==4)))&&!(a7==1))))&&(a16==5)))) [L189] COND FALSE !((((!(a7==1)&&(((input==2)&&((((a16==5)&&((a20==1)&&!(a17==1)))||((a16==6)&&((a20==1)&&!(a17==1))))||((a16==4)&&(!(a20==1)&&(a17==1)))))&&(a8==15)))&&(a12==8))&&(a21==1))) [L194] COND FALSE !((!(a20==1)&&(((((((input==6)&&(a16==5))&&(a21==1))&&!(a17==1))&&(a12==8))&&!(a7==1))&&(a8==15)))) [L197] COND FALSE !(((a12==8)&&(((((((a21==1)&&(input==5))&&(a8==15))&&(a17==1))&&!(a7==1))&&!(a20==1))&&(a16==6)))) [L203] COND FALSE !(((((a8==15)&&(!(a7==1)&&((((!(a20==1)&&(a17==1))&&(a16==4))||(((!(a17==1)&&(a20==1))&&(a16==5))||((a16==6)&&((a20==1)&&!(a17==1)))))&&(input==6))))&&(a12==8))&&(a21==1))) [L208] COND FALSE !(((a8==15)&&((a16==4)&&(!(a20==1)&&((((a21==1)&&(!(a17==1)&&(input==5)))&&!(a7==1))&&(a12==8)))))) [L214] COND FALSE !(((a17==1)&&((a12==8)&&((a8==15)&&(((!(a7==1)&&(((a16==5)||(a16==6))&&(input==2)))&&(a21==1))&&(a20==1)))))) [L218] COND FALSE !((!(a7==1)&&(((a8==15)&&((!(a17==1)&&((a12==8)&&((input==3)&&(a21==1))))&&(a16==4)))&&(a20==1)))) [L223] COND FALSE !(((a16==5)&&((!(a21==1)&&(((a8==13)&&(((input==2)&&(a20==1))&&(a12==8)))&&(a7==1)))&&(a17==1)))) [L231] COND FALSE !(((a20==1)&&(((a12==8)&&((a7==1)&&((a8==13)&&(((!(a17==1)&&(a16==5))||(((a17==1)&&(a16==6))||(!(a17==1)&&(a16==4))))&&(input==3)))))&&!(a21==1)))) [L238] COND FALSE !(((a12==8)&&((a7==1)&&(!(a21==1)&&((a8==13)&&((input==6)&&(((a16==6)&&((a20==1)&&!(a17==1)))||((a16==4)&&((a17==1)&&!(a20==1)))))))))) [L245] COND FALSE !(((!(a7==1)&&(!(a17==1)&&((((a16==4)&&((a8==15)&&(input==1)))&&(a12==8))&&(a21==1))))&&(a20==1))) [L250] COND FALSE !(((a17==1)&&(((a21==1)&&(!(a20==1)&&((a12==8)&&((a8==15)&&(!(a7==1)&&(input==1))))))&&(a16==6)))) [L256] COND FALSE !(((a20==1)&&((a12==8)&&((((a17==1)&&((((a16==5)||(a16==6))&&(input==4))&&(a8==15)))&&(a21==1))&&!(a7==1))))) [L261] COND FALSE !(((((a8==13)&&((((!(a21==1)&&(input==6))&&(a20==1))&&(a12==8))&&(a17==1)))&&(a7==1))&&(a16==5))) [L265] COND FALSE !(((a16==5)&&(((((a12==8)&&(!(a7==1)&&((input==2)&&!(a20==1))))&&(a21==1))&&(a17==1))&&(a8==15)))) [L268] COND FALSE !((((a12==8)&&(((!(a17==1)&&((a21==1)&&((input==4)&&!(a7==1))))&&(a8==15))&&(a20==1)))&&(a16==4))) [L273] COND FALSE !(((a7==1)&&((a8==13)&&((a12==8)&&(!(a21==1)&&((input==2)&&((((a20==1)&&!(a17==1))&&(a16==6))||(((a17==1)&&!(a20==1))&&(a16==4))))))))) [L278] COND FALSE !((((((((!(a20==1)&&(!(a17==1)&&!(a7==1)))&&(a8==15))&&(a16==6))&&(a21==1))||((((a8==13)&&(((a17==1)&&(a7==1))&&(a20==1)))&&(a16==4))&&!(a21==1)))&&(input==6))&&(a12==8))) [L286] COND FALSE !(((!(a7==1)&&(!(a17==1)&&(((((input==3)&&(a21==1))&&(a16==4))&&(a8==15))&&(a12==8))))&&!(a20==1))) [L292] COND FALSE !((((((a12==8)&&(((((a17==1)&&!(a20==1))&&(a16==4))||((((a20==1)&&!(a17==1))&&(a16==5))||((!(a17==1)&&(a20==1))&&(a16==6))))&&(input==3)))&&(a8==15))&&(a21==1))&&!(a7==1))) [L299] COND FALSE !((((!(a7==1)&&(((input==5)&&((((a16==5)&&(!(a17==1)&&(a20==1)))||((a16==6)&&((a20==1)&&!(a17==1))))||((a16==4)&&(!(a20==1)&&(a17==1)))))&&(a12==8)))&&(a21==1))&&(a8==15))) [L306] COND FALSE !(((!(a7==1)&&(((a21==1)&&(((a17==1)&&((a12==8)&&(input==2)))&&!(a20==1)))&&(a16==6)))&&(a8==15))) [L312] COND FALSE !(((!(a17==1)&&((a21==1)&&((!(a20==1)&&((a12==8)&&((input==3)&&!(a7==1))))&&(a8==15))))&&(a16==5))) [L316] COND FALSE !((((a16==5)&&(!(a20==1)&&(((((input==6)&&(a21==1))&&(a17==1))&&!(a7==1))&&(a12==8))))&&(a8==15))) [L318] COND FALSE !((!(a7==1)&&((a17==1)&&(((a16==6)&&(!(a20==1)&&(((input==6)&&(a12==8))&&(a21==1))))&&(a8==15))))) [L324] COND FALSE !(((((a21==1)&&((a8==15)&&((a12==8)&&(!(a7==1)&&(!(a17==1)&&(input==2))))))&&(a16==4))&&(a20==1))) [L329] COND FALSE !(((a8==15)&&(((a16==4)&&((a12==8)&&((!(a20==1)&&(!(a7==1)&&(input==1)))&&!(a17==1))))&&(a21==1)))) [L333] COND FALSE !(((a21==1)&&(((a12==8)&&((((a17==1)&&((input==3)&&((a16==5)||(a16==6))))&&!(a7==1))&&(a20==1)))&&(a8==15)))) [L337] COND FALSE !((!(a21==1)&&((a20==1)&&(((a12==8)&&((a8==13)&&((((a16==5)&&!(a17==1))||(((a17==1)&&(a16==6))||(!(a17==1)&&(a16==4))))&&(input==2))))&&(a7==1))))) [L345] COND FALSE !(((a7==1)&&((a12==8)&&((((a20==1)&&(((!(a17==1)&&(a16==5))||(((a17==1)&&(a16==6))||((a16==4)&&!(a17==1))))&&(input==4)))&&(a8==13))&&!(a21==1))))) [L353] COND FALSE !(((a21==1)&&((((!(a7==1)&&((a8==15)&&(!(a20==1)&&(input==4))))&&(a17==1))&&(a16==5))&&(a12==8)))) [L355] COND FALSE !((((!(a7==1)&&((!(a20==1)&&((a21==1)&&((input==3)&&(a17==1))))&&(a8==15)))&&(a12==8))&&(a16==5))) [L361] COND FALSE !(((((!(a17==1)&&(!(a20==1)&&((a8==15)&&((input==1)&&(a16==5)))))&&(a12==8))&&(a21==1))&&!(a7==1))) [L363] COND FALSE !(((((a21==1)&&((a8==15)&&(((a16==5)&&((a12==8)&&(input==1)))&&(a17==1))))&&!(a7==1))&&!(a20==1))) [L365] COND FALSE !(((!(a21==1)&&((a20==1)&&((((a8==13)&&((a7==1)&&(input==5)))&&(a17==1))&&(a12==8))))&&(a16==5))) [L372] COND FALSE !((((!(a7==1)&&((a21==1)&&((((input==6)&&(a20==1))&&(a8==15))&&!(a17==1))))&&(a12==8))&&(a16==4))) [L377] COND FALSE !(((((a20==1)&&(((!(a21==1)&&((a7==1)&&(input==1)))&&(a8==13))&&(a17==1)))&&(a12==8))&&(a16==5))) [L382] COND FALSE !(((a12==8)&&((input==5)&&((((((!(a17==1)&&!(a7==1))&&!(a20==1))&&(a8==15))&&(a16==6))&&(a21==1))||(!(a21==1)&&((a16==4)&&(((a20==1)&&((a7==1)&&(a17==1)))&&(a8==13)))))))) [L391] COND FALSE !(((((((!(a17==1)&&(a7==1))&&!(a20==1))&&(a8==14))&&(a12==8))&&(a16==4))&&(a21==1))) [L394] COND FALSE !((((((((a17==1)&&!(a7==1))&&(a20==1))&&(a8==14))&&(a12==8))&&(a16==4))&&(a21==1))) [L397] COND FALSE !(((((((!(a17==1)&&(a7==1))&&!(a20==1))&&(a8==15))&&(a12==8))&&(a16==4))&&(a21==1))) [L400] COND FALSE !((((((((a17==1)&&!(a7==1))&&(a20==1))&&(a8==13))&&(a12==8))&&(a16==6))&&(a21==1))) [L403] COND FALSE !(((((((!(a17==1)&&!(a7==1))&&!(a20==1))&&(a8==14))&&(a12==8))&&(a16==4))&&(a21==1))) [L406] COND FALSE !(((((((!(a17==1)&&(a7==1))&&!(a20==1))&&(a8==15))&&(a12==8))&&(a16==5))&&(a21==1))) [L409] COND FALSE !(((((((!(a17==1)&&!(a7==1))&&!(a20==1))&&(a8==14))&&(a12==8))&&(a16==5))&&(a21==1))) [L412] COND FALSE !(((((((!(a17==1)&&!(a7==1))&&(a20==1))&&(a8==14))&&(a12==8))&&(a16==4))&&(a21==1))) [L415] COND FALSE !((((((((a17==1)&&!(a7==1))&&(a20==1))&&(a8==13))&&(a12==8))&&(a16==4))&&(a21==1))) [L418] COND FALSE !(((((((!(a17==1)&&(a7==1))&&(a20==1))&&(a8==14))&&(a12==8))&&(a16==5))&&(a21==1))) [L421] COND FALSE !(((((((!(a17==1)&&!(a7==1))&&(a20==1))&&(a8==13))&&(a12==8))&&(a16==4))&&(a21==1))) [L424] COND FALSE !(((((((!(a17==1)&&(a7==1))&&!(a20==1))&&(a8==14))&&(a12==8))&&(a16==5))&&(a21==1))) [L427] COND FALSE !(((((((!(a17==1)&&!(a7==1))&&!(a20==1))&&(a8==13))&&(a12==8))&&(a16==4))&&(a21==1))) [L430] COND FALSE !((((((((a17==1)&&!(a7==1))&&!(a20==1))&&(a8==13))&&(a12==8))&&(a16==4))&&(a21==1))) [L433] COND FALSE !((((((((a17==1)&&(a7==1))&&!(a20==1))&&(a8==14))&&(a12==8))&&(a16==6))&&(a21==1))) [L436] COND FALSE !(((((((!(a17==1)&&!(a7==1))&&(a20==1))&&(a8==13))&&(a12==8))&&(a16==6))&&(a21==1))) [L439] COND FALSE !(((((((!(a17==1)&&(a7==1))&&(a20==1))&&(a8==15))&&(a12==8))&&(a16==5))&&(a21==1))) [L442] COND FALSE !((((((((a17==1)&&!(a7==1))&&(a20==1))&&(a8==15))&&(a12==8))&&(a16==4))&&(a21==1))) [L445] COND FALSE !(((((((!(a17==1)&&(a7==1))&&(a20==1))&&(a8==13))&&(a12==8))&&(a16==4))&&(a21==1))) [L448] COND FALSE !((((((((a17==1)&&(a7==1))&&(a20==1))&&(a8==13))&&(a12==8))&&(a16==6))&&(a21==1))) [L451] COND FALSE !((((((((a17==1)&&(a7==1))&&!(a20==1))&&(a8==15))&&(a12==8))&&(a16==6))&&(a21==1))) [L454] COND FALSE !(((((((!(a17==1)&&(a7==1))&&(a20==1))&&(a8==15))&&(a12==8))&&(a16==6))&&(a21==1))) [L457] COND FALSE !((((((((a17==1)&&(a7==1))&&!(a20==1))&&(a8==13))&&(a12==8))&&(a16==4))&&(a21==1))) [L460] COND FALSE !((((((((a17==1)&&(a7==1))&&(a20==1))&&(a8==15))&&(a12==8))&&(a16==4))&&(a21==1))) [L463] COND FALSE !(((((((!(a17==1)&&(a7==1))&&(a20==1))&&(a8==13))&&(a12==8))&&(a16==6))&&(a21==1))) [L466] COND FALSE !((((((((a17==1)&&(a7==1))&&(a20==1))&&(a8==13))&&(a12==8))&&(a16==4))&&(a21==1))) [L469] COND FALSE !((((((((a17==1)&&(a7==1))&&(a20==1))&&(a8==15))&&(a12==8))&&(a16==5))&&(a21==1))) [L472] COND TRUE ((((((!(a17==1)&&!(a7==1))&&!(a20==1))&&(a8==14))&&(a12==8))&&(a16==6))&&(a21==1)) [L473] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 208 locations, 1 error locations. UNKNOWN Result, 23.7s OverallTime, 6 OverallIterations, 5 TraceHistogramMax, 17.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 899 SDtfs, 3009 SDslu, 1707 SDs, 0 SdLazy, 7854 SolverSat, 1023 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.7s Time, PredicateUnifierStatistics: 10 DeclaredPredicates, 632 GetRequests, 570 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1335occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.7s AbstIntTime, 6 AbstIntIterations, 5 AbstIntStrong, 0.9973025913830318 AbsIntWeakeningRatio, 0.260797342192691 AbsIntAvgWeakeningVarsNumRemoved, 11.789036544850498 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 65 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: No data available, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem01_label58_true-unreach-call_false-termination.c_svcomp-Reach-64bit-ToothlessTaipan_CON-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-08-08_09-35-27-511.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem01_label58_true-unreach-call_false-termination.c_svcomp-Reach-64bit-ToothlessTaipan_CON-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-08-08_09-35-27-511.csv Received shutdown request...